Category: Amazon

From flexible necks to ancient legends, discover what makes the largest freshwater dolphin in the world one of the Amazon’s most surprising creatures

The Amazon pink river dolphin (Inia geoffrensis) is one of the most distinctive mammals of South America. Found across six countries in the Amazon and Orinoco basins, the species has been studied for over two decades by researchers at the Mamirauá Reserve in Brazil, who individually identified more than 650 animals over a 25-year period.

Its biology is remarkable: an unfused neck that turns 180 degrees, a diet covering more than 53 fish species, a long curved beak with molar-like teeth, and a body that shifts from grey at birth to bright pink in adulthood. The species has been classified as endangered on the IUCN Red List since 2018, with populations declining roughly 50% over 75 years.

Want to know what makes this animal so unique? PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil, has put together a list of 10 fascinating facts about the Amazon pink river dolphin. Check it out below!

1) Found in All Countries of the Amazon Basin

The Amazon pink dolphin inhabits the rivers of six South American countries: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela—a freshwater range covering approximately 7 million km², according to the Animal Diversity Web (University of Michigan).

The species lives in the Orinoco and Amazon river basins, including major tributaries like the Solimões, Negro, Madeira, Tocantins, Araguaia, and Putumayo. The species is also entirely freshwater, as they never enter salt water and are found thousands of kilometers from the sea.

But where do pink river dolphins live? They occupy main river channels in the dry season and move into the flooded forest (várzea) during the wet season, when water levels rise up to 10–12 meters and submerge vast areas of the rainforest.

👉 Read more: How to Get to the Amazon Rainforest in Brazil?

2) Echolocation System is Built for Muddy Water

Amazon waters are murky year-round, so the dolphin relies on biosonar rather than vision, emitting a high frequency that clicks through an organ on its forehead called the melon, which acts as an acoustic lens to focus sound.

According to One Earth, the species can produce 30 to 80 clicks per second when locating prey, and the echoes return through the dolphin’s lower jawbone to the inner ear.

A 2017 study published in ScienceDirect found that echolocation click parameters (peak frequency, bandwidth, and inter-click interval) differ significantly across dolphin populations in the Orinoco, Madeira, Xingu, and Araguaia basins, suggesting different evolutionary lineages.

River dolphins use shorter-range, lower-amplitude clicks than their marine cousins, an adaptation to shallow waters with high acoustic clutter from submerged vegetation.

3) The Largest Freshwater Dolphins in the World

Amazon pink river dolphin males can reach 2.55 meters in length and 207 kg (averaging 2.32 m and 154 kg), while females are smaller, up to 2.18 m and 154 kg. This makes the boto the largest of all river dolphins worldwide, beating the Ganges, Indus, Yangtze, and La Plata species.

It is also one of the most sexually dimorphic cetaceans, with males being 16% longer and 55% heavier than females. Interestingly, it is also one of the rare river dolphin species where males are larger than females—in other species, females are usually the bigger sex. Researchers Martin and da Silva, in their 2006 study published in Marine Mammal Science, linked this dimorphism to male-male competition and territorial fighting.

4) Color Changes with Age, Temperature, and Even Mood

Why are Amazon river dolphins pink? It’s a combination of several factors. They are actually born grey and gradually turn pink as their skin becomes thinner and translucent, allowing the blood capillaries near the surface to show through.

The color is also linked to thermoregulation, scarring from social fights, water chemistry (especially iron content), and water temperature. Adult males tend to be significantly pinker than females as a result of aggressive male-to-male combat, which causes scarring that adds to the pink hue over time.

Like a human face flushing red, their skin can also temporarily turn bright pink when the animal is excited, exerting itself, or in social interaction. Some adults are nearly white, others almost entirely pink, and no two individuals look the same.

👉 Read more: When is the Best Time to Visit the Amazon Rainforest in Brazil

5) The Boto Goes by Many Names Across the Amazon

In Portuguese-speaking Brazil, the Amazon river dolphin is called boto-cor-de-rosa, boto-vermelho, boto-rosa, boto-malhado, or simply boto.

Among indigenous communities, the Tupi name uauiará (or uiara) refers to the dolphin as a kind of “water being” or protector of women—a sacred figure long before European colonization arrived.

The Tikuna people of the Colombia-Brazil-Peru border region call the pink dolphin omacha, which is also the name of the Colombian foundation founded by biologist Fernando Trujillo (National Geographic Explorer of the Year).

In Spanish-speaking countries, the dolphin is most commonly known as bufeo, bufeo colorado, tonina, or delfín rosado. In Peru, Colombia, and Ecuador, bufeo colorado is the standard local term; in the Orinoco region of Venezuela, tonina prevails.

Each name reflects a different cultural lens. Portuguese settlers chose boto (likely from the late Latin buttis, “rounded vessel,” referring to the dolphin’s bulbous head), while indigenous names emphasize the boto’s spiritual and mythological role rather than its physical appearance.

6) The Legend of the Boto is One of the Most Famous Brazilian Myths

One of the most fascinating facts about Amazon pink river dolphins is actually a popular myth. In Brazilian folklore, the boto cor-de-rosa is one of the most enduring legends of the Amazon, a story of indigenous origin that has been passed down for centuries.

According to the tradition, on the nights of the Festas Juninas (Brazil’s traditional June festivities), the dolphin emerges from the river transformed into a tall, charming young man dressed in white and wearing a hat, which hides the blowhole that does not disappear during the transformation. He then seduces a young woman from the village, dances with her, and disappears back into the river by dawn—sometimes leaving her pregnant.

The legend has historically been used in the Amazon to explain pregnancies of unknown paternity, and it has also been featured in Brazilian media, including the 1987 film “Ele, o Boto,” the soap opera “A Força do Querer” (2017), and the Netflix series “Cidade Invisível” (2021).

👉 Read more: Best Amazon Jungle Lodges in Brazil

7) Impressive Brain Capacity

The Amazon pink dolphin has the largest brain among all freshwater dolphin species, and several tourism and conservation sources cite that its brain capacity is up to 40% larger than a human’s (a figure popularized in conservation outreach).

The more rigorous scientific picture: dolphins as a group have one of the highest encephalization quotients (EQ) among non-human animals, second only to humans, according to Marino et al. (2004) and Montgomery et al. (2013).

In practice, that intelligence translates into clear behaviors: complex acoustic communication using both echolocation clicks and whistles, object play (they have been observed carrying sticks, branches, and turtles), problem-solving, and curiosity around boats and swimmers.

Studies suggest that male botos may also engage in a form of social display by carrying objects in their mouths during courtship—a behavior so far described in no other cetacean.

8) Underwater Gymnasts (with Anatomy to Match)

Unlike marine dolphins, the Amazon river dolphins have unfused cervical vertebrae (the seven neck bones are not welded together), which allows them to turn their heads up to 180 degrees, according to Whale and Dolphin Conservation.

This flexibility is essential for navigating the flooded forest of the Amazon, where submerged tree trunks, roots, and branches block straight-line swimming. The species also lacks a typical dorsal fin, replaced by a low dorsal ridge that helps it weave through dense vegetation.

Pink river dolphins can swim forward with one flipper while paddling backward with the other, turning with surgical precision around obstacles. They are also frequently observed swimming upside down, possibly to see the river bottom better through their small eyes.

Cruising speed is between 8 and 13 km/h, with bursts of up to 24 km/h—slower than ocean dolphins, but compensated by extreme maneuverability among trees and roots.

👉 Read more: 15 Amazon Animals – Unravel the Wildlife in Brazil

9) One of the Most Varied Carnivorous Diets of Any Toothed Whale

So, what do pink river dolphins eat? The boto has one of the widest-ranging diets among all toothed whales, feeding on up to 53 different species of fish, including croakers, catfish, tetras, piranhas, and characins. The species also consumes river turtles, freshwater crabs, aquatic frogs, and freshwater mollusks.

Its narrow jaw contains 25 to 28 pairs of teeth, divided between sharp conical teeth at the front (for catching prey) and molar-like teeth at the back—a feature unique among dolphins, allowing the boto to crush hard prey like turtle shells and armored catfish.

This dietary flexibility is critical: during the wet season, fish disperse into the flooded forest, and it hunts alone in vast submerged territories; during the dry season, prey concentrates in main channels and confluences, where up to 35 dolphins have been observed cooperatively herding fish.

10) Friendly with Humans, Yet Solitary by Nature

Despite their famously curious and playful personality around boats, swimmers, and children, pink river dolphins are largely solitary animals. They are mostly often spotted alone or in small groups of 2 to 4 individuals, usually a mother with her calf. This is very different from ocean dolphins, which can travel in pods of dozens or even thousands.

Researchers believe this solitary lifestyle is linked to two factors: the boto has no significant natural predators once adult (only caimans, jaguars, and anacondas occasionally take young animals), and the structure of the flooded forest favors individual hunting over coordinated pod attacks.

Larger aggregations of up to 35 dolphins only form temporarily at river confluences when prey concentrates seasonally. Their curiosity with humans is well documented in the Cuyabeno Wildlife Reserve (Ecuador) and the Mamirauá Reserve (Brazil), where botos have been filmed approaching kayakers, leaping near boats, and interacting with local children.

👉 Read more: Best Amazon River Cruises in Brazil

Visiting the Amazon and meeting pink river dolphins with PlanetaEXO

Now that you know the most fascinating Amazon pink river dolphin facts, it’s time to see this incredible animal up close. The boto can be spotted year-round in several Brazilian Amazon destinations, especially around Manaus, the Rio Negro, the Anavilhanas archipelago, and the Mamirauá Sustainable Development Reserve.

PlanetaEXO is an ecotourism platform specializing in Amazon Rainforest tours in Brazil, working alongside the best local operators in the region. From jungle lodges deep in the rainforest to wildlife-focused river cruises, our team is here to help you plan a hassle-free trip. Contact us now!

Discover the best practices for a safe and smooth passage through Manaus, the gateway to travel in the Amazon Rainforest

Minutes before landing at Eduardo Gomes International Airport in Manaus, Amazonas, travelers see from their window seat a contrasting view: two of the largest tributaries of the Amazon River forming the fascinating Meeting of the Waters—a stretch where the dark and muddy waters of the Negro and Solimões rivers run side by side without mixing—and a city of 2.3 million people built on a plateau at the edge of the world’s largest rainforest.

Most travelers don’t stay long. The capital is a layover with a purpose—one or two nights between the airplane and the riverboat or jungle lodge that brought them to Brazil in the first place. Headed to the Amazon Rainforest, many tourists ask a simple question: is Manaus safe?

The answer is yes, but there are a few elements to consider. PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil, explains it all right below.

Manaus is safe for tourists, but it’s important to be careful

Manaus is a major Brazilian city that requires the same awareness any large urban destination demands. Tens of thousands of foreign travelers pass through every year, and the overwhelming majority leave without incident because they made the right small decisions.

The capital of Amazonas is a working tropical city with neighborhoods that are perfectly fine and a few you have no reason to enter. If you stay where tourists stay, move how locals move, and avoid the obvious mistakes, the city is calm, sweltering, and surprisingly easy.

Where to stay (and where to walk): a neighborhood map

For travelers heading to the Amazon, only a handful of neighborhoods matter:

• Adrianópolis: Manaus’s upscale residential and shopping zone, full of hotels and the Amazonas Shopping mall. Quiet, well-policed, low-risk day or night.
• Ponta Negra: riverside neighborhood with hotels, restaurants, and a busy waterfront promenade in the evenings. Police presence is heavy. Probably the most pleasant base for a one- or two-night stay.
• Centro Histórico: the historic center, home to the famous Teatro Amazonas opera house and the Mercado Adolpho Lisboa. Worth a visit during the day. Empties out and gets edgier after dark; try not to linger past 8 PM.
• Vieiralves: a small, lively grid of restaurants and bars, popular with locals and expats. Safe in the evening.
• Dom Pedro: quieter residential area, decent for a low-key stay.

Areas to keep off your map: Compensa, São José Operário, the Eastern Zone outside the tourist corridor, and any of the city’s favelas. There is no tourist reason to go to these places, and Google Maps will not warn you. If your driver suggests “a shortcut” through any of them, decline.

👉 Read more: How to get to the Amazon Rainforest in Brazil?

The 5 most common scams targeting Amazon-bound tourists

Overall, Manaus is safe to visit, but as the city’s economy is mostly built around the Amazon, so are the scams. They’re usually aimed at people in transit who are tired, jet-lagged, and pre-committed to a jungle experience.

The arrivals-hall “tour guide”

A friendly English-speaker at the airport offers a discounted Amazon tour, sometimes with a printed flyer. The “lodge” is real or imaginary. Either way, you pay cash up front, and the experience is promised to be wildly different from what was sold. Don’t fall for it and always pre-book your tour with a registered operator before you fly.

Unlicensed taxis from the airport

Drivers approach you inside the terminal offering “official” rides at three times the meter rate. The licensed taxi rank is outside, marked, and uses fixed rates by zone. Avoid any problems by using Uber or 99 (Brazil’s local ride app).

Currency exchange “favor”

Someone in the historic center offers to exchange dollars at a great rate. Half the bills are counterfeit. Say no and only use ATMs at branded banks (Bradesco, Banco do Brasil, Itaú).

Mercado Adolpho Lisboa pickpocket

Pickpocketing is universal. From Paris and Milan to Manaus, this is a problem for tourists. The Mercado Adolpho Lisboa, a beautiful 19th-century covered market, is one of the favorite spots for pickpockets in the capital of Amazonas.

Pay attention while walking, leave your most valuable belongings in the hotel safe, and keep your wallet, cell phone, and documents in crossbody bags or fanny packs.

Phantom riverboat tickets

Informal touts at the Manaus port sell tickets to slow boats heading up-river. Some are legitimate; some take your money and disappear. Buy from the official ticket office or through your tour operator.

Getting around: Uber, 99, taxis, and the airport-to-hotel reality

The airport (Eduardo Gomes International, MAO) sits about 14 km north of the historic center. Three reliable ways to move from there:

• Uber or 99: both work in Manaus and at the airport. Estimated cost from MAO to Ponta Negra: R$50–80 (US$10–16). The app shows the driver’s plate, photo, and route. Verify before getting in.
• Licensed airport taxis: fixed-rate, paid at a kiosk inside the terminal before you exit. Slightly more expensive than Uber but transparent.
• Pre-arranged transfer: most reputable Amazon tour operators include or offer airport pickup. The driver waits in arrivals with your name on a sign. Confirm name, phone, and vehicle plate by message before flying.

Inside the city, Uber and 99 are dramatically safer and cheaper than flagging cabs on the street. Use them at night without hesitation.

Walking is fine in Adrianópolis and Ponta Negra during the day. After 9 PM, use a ride-share for any distance more than a couple of blocks. 

Health: yellow fever, mosquitoes, and other important information

If you’re wondering if Manaus is safe to visit, you should also think about your well-being. Considering its location in the equatorial Amazon basin, some health aspects are inevitable.

Vaccines

Unlike other South American countries, Brazil doesn’t require foreign travelers to be vaccinated for yellow fever, but it is highly advised—especially if you’re traveling to the Amazon or have plans to visit the rainforest in Bolivia, Colombia, Ecuador, or Peru. Get it at least 10 days before travel. It’s a single dose for lifetime protection!

Just for safety, arriving in Manaus with a complete vaccination schedule for diphtheria, tetanus, polio, rubella, measles, and hepatitis A/B is recommended.

Mosquitoes

The Aedes aegypti mosquito carries dengue, Zika, and chikungunya in Manaus year-round. The malaria-carrying Anopheles is more relevant once you’re in the deep forest.

Use a repellent with 30% DEET or 20% picaridin, wear long sleeves at dawn and dusk, keep your windows closed at night, and sleep under mosquito nets.

Be careful with the heat

The heat itself is a safety issue. Manaus runs 30–34°C (86–93°F) with 80%+ humidity. Heatstroke and dehydration can cause more trouble than the possibility of crime. 

Stay hydrated, use sunscreen (SPF 30+), cover your head with caps and hats, wear light clothing, and don’t spend too much time in the sun.

👉 Read more: When is the best time to visit the Amazon Rainforest in Brazil

Picking a legitimate Amazon tour operator

Safety in Manaus increases when you travel with competent, reliable professionals. While planning your trip to the Amazon, choosing a good tour operator is the key to a successful vacation.

Red flags to walk away from

• The “operator” is an individual, not a registered company. Ask for a CNPJ (Brazilian company tax ID).
• They want full payment in cash, in advance, with no formal receipt.
• They can’t show you a current operating license from Cadastur (Brazil’s Ministry of Tourism registration).
• The contact is a personal WhatsApp number, and there’s no real website.
• The price is dramatically below market—Amazon tours in Brazil are not exactly cheap. Three-day all-inclusive lodge experiences from Manaus typically run US$400–1,200 per person depending on the standard.
• They get aggressive or start to sound confused when you ask follow-up questions.

Green flags

• Reviews on TrustPilot, TripAdvisor and Google going back several years.
• Listed in Cadastur. Easy to verify.
• Insurance details disclosed up-front.
• Clear written itinerary with named accommodations.
• Booking handled by a real travel platform with refund policies.

This is the layer where PlanetaEXO operates. We’re a registered ecotourism operator running curated multi-day experiences in the Brazilian Amazon. If you’re heading to the rainforest and don’t yet have your tour locked in, we’ll save you the airport-arrivals-hall scramble.

The bottom line: as long as you know what to do, Manaus is safe and totally enjoyable

Every place has problems, but they don’t necessarily overcome the good parts. Manaus is the main gateway to the rainforest, serving as a temporary base for people staying at a jungle lodge or joining an Amazon river cruise.

The city is safer and calmer than its reputation suggests (which can be said for Brazil as a whole), warmer than you might anticipate, and entirely manageable with two days of planning before you fly.

If you stay in certain neighborhoods, use the right transport, watch out for pickpockets, and book your tours beforehand with reliable professionals, Manaus will treat you just right. In fact, the capital of Amazonas has much to offer: rich history, delicious food, gorgeous landscapes, and incredibly friendly people.

Still have questions? Check the answers below!

Is Manaus safe to visit at night?

Inside the well-policed tourist neighborhoods (Ponta Negra, Adrianópolis, and Vieiralves), Manaus is reasonably safe in the evening. The historic center empties after 8 PM and is best avoided after dark. Use Uber or 99 for any nighttime movement.

Is Uber safe in Manaus at night?

Yes. Uber and 99 are the recommended way to move around Manaus after dark, including from the airport. Both apps verify drivers and track rides.

Is Manaus dangerous for solo female travelers?

Manaus is no more dangerous for solo women than other large Brazilian cities. The same precautions apply: stay in tourist neighborhoods, use ride-sharing at night, dress in lightweight casual clothing, and avoid drawing attention with expensive jewelry or visible cameras.

What should I avoid in Manaus?

Avoid Compensa, São José Operário, and any favela, as well as accepting tour offers from people in the airport arrivals hall, exchanging currency on the street, and carrying your passport when you don’t need it (use the hotel safe).

Is the Manaus airport safe?

Yes, Eduardo Gomes Airport is well-secured. The risk window is the meet-and-greet area outside, where unlicensed taxi drivers and informal “guides” approach arrivals. Walk past them and use the official taxi rank or your booked transfer.

How safe is the Amazon rainforest itself?

The rainforest is statistically safer than the city. Once you’re with a registered operator at a licensed lodge, you’re in a controlled environment. The risks shift — they’re now about staying hydrated, listening to your guide, and respecting wildlife at a distance.

Traveling to the Amazon from Manaus with PlanetaEXO

PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil, works every day to make your trip easier, fulfilling, and sustainable.

From Manaus to a jungle lodge or a river cruise, we take care of all the details for your vacation, including transfer options and tailor-made itineraries. Contact us now!

Understand the importance of the world’s largest river regarding ecological balance, cultural preservation, and ecotourism

Brazil’s Amazon River is a continent-spanning hydrological system that determines weather patterns as far away as Texas and the Sahara. Its sheer size and great importance to the ecosystem make it a key element to the Earth’s balance.

As a central point of the Amazon Rainforest, the river directly affects the economy and the local culture. Millions of people depend on its waters to make a living and to preserve a rich heritage of traditions belonging to groups who have lived in the region for hundreds of years.

PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil, has been running trips on the Amazon River Basin for years. To help you understand more about it, we’ve created a guide covering aspects of its geography, seasons, wildlife, and much more. Check it out below!

The Amazon River by the numbers

For a long time, the Nile River in northeastern Africa was considered the longest river in the world. However, in July 2008, a study published by Brazil’s National Institute for Space Research (INPE) found that the Amazon River is the longest waterway on the planet.

With the help of satellite imagery and remote geoprocessing technology from the Brazilian Space Program, INPE concluded that the Amazon is 6,992.06 km long, while the Nile extends itself for 6,852.15 km—a difference of 140 km.

Here are other impressive numbers:

• Discharge: around 209,000 cubic meters per second—roughly one-fifth of all the fresh water flowing into the world’s oceans. The next-biggest river (the Congo) discharges about a quarter as much.
• Width: varies from 1.6 km in the dry season to over 40 km in some flooded sections during peak rains. Average width through the Brazilian stretch sits around 8–12 km.
• Depth: averages around 50 meters and reaches 100 meters in places—deep enough for ocean-going ships to navigate to Manaus, 1,500 km inland.
• Tributaries: more than 1,100, of which seventeen are themselves over 1,500 km long. The Rio Negro, which meets the main channel at Manaus, is the world’s largest blackwater river.
• Basin: The Amazon River Basin covers 7 million km² across nine countries—approximately 40% of South America. Brazil holds about 60% of it.

👉 Read more: 15 Facts About the Amazon Rainforest in Brazil

Where the Amazon River begins and where it ends

While the Amazon River is located in Brazil, various expeditions conducted by INPE, the Peruvian Military Geographic Institute, the Brazilian National Water and Sanitation Agency (ANA), and the Brazilian Institute of Geography and Statistics (IBGE) have found that its source starts at roughly 5,200 meters above sea level in the Peruvian Andes—at a small glacial stream called the Apacheta, on the slopes of Nevado Mismi.

The water travels east, gathers tributaries, becomes the Marañón, then the Solimões as it crosses into Brazil, and finally, at Manaus, meets the dark Rio Negro and is renamed simply the Amazon for its final 1,500 km.

It empties into the Atlantic Ocean at the equator on Brazil’s northern coast, between the states of Pará and Amapá. The mouth is so wide (330 km) that an entire island the size of Switzerland (Marajó Island) sits inside it.

The ocean current pushes the river’s freshwater plume outward for over 200 km into the Atlantic; sailors used to know they were close to South America when they hauled up buckets of fresh water from the open sea.

To help you visualize such magnitude, see the map of the Amazon River below:

The Amazon River’s two seasons: high water and low water

The Amazon Rainforest has no real winter and summer but a wet season (roughly December to May) and a dry season (June to November). Naturally, the river swells and shrinks dramatically between them.

High water (December–May): the river rises 10–15 meters above its dry-season level. Vast areas of rainforest flood, creating the unique igapó (flooded forest) ecosystem where you can canoe between the trunks of standing trees. Wildlife concentrates in the canopy.

Low water (June–November): rivers drop, beaches appear, animals concentrate around shrinking water sources, and visibility on land hikes is much better.

👉 Read more: When is the Best Time to Visit the Amazon Rainforest in Brazil

Wildlife of the Amazon River in Brazil

The Amazon holds an estimated 30% of the planet’s known species—and possibly the same again, still undocumented. The river itself is home to some of the most distinctive of them.

What surprises most travelers isn’t just the wildlife inventory but also how the Amazon River makes it visible in ways no rainforest interior can. In a few minutes, the river reveals more than a multiple-hour jungle hike. This is the central reason most tours are water-based: the river is the corridor through which life moves.

Pink river dolphins

Larger and more curious than their ocean cousins, Amazon river dolphins (botos-cor-de-rosa) are born gray and turn pink with age. With a friendly, curious personality, they surface near boats out of pure interest and often interact with humans.

Black caimans

Solitary and mysterious, the black caiman is the Amazon’s apex aquatic predator, growing up to 5 meters. A major attraction for nighttime spotlighting tours, they’re easily spotted at night by their orange eyeshine.

Anacondas

The green anaconda is the world’s heaviest snake, found in the slow-moving channels and oxbow lakes of the basin. Mostly seen in dry season when water levels expose them.

Piranhas

Less terrifying than the movies suggest, most species of piranhas are scavengers—the genuinely aggressive red-bellied piranha is real but accounts for a fraction of the genus. As one of the most traditional ingredients in Amazonian cuisine, they are incorporated into daily meals, mainly in stews.

Pirarucu

One of the world’s largest freshwater fish, growing to 3 meters and 200 kg. Being air-breathing, it has to surface every few minutes. A staple food in the region and now carefully managed.

👉 Read more: 15 Amazon Animals – Unravel the Wildlife in Brazil

The people of the Amazon River

More than 30 million people live in the Amazon River Basin across Brazil, Bolivia, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela; the largest concentration is along the river itself and its main tributaries.

Roughly 3 million belong to indigenous groups, including the Yanomami, Kayapo, Tikuna, and Munduruku—speaking more than 240 distinct languages.

Many communities are small ribeirinho (riverside) settlements of caboclo people, descended from indigenous and Portuguese ancestry, living from fishing, farming small floodplain plots, and harvesting forest products like açaí and Brazil nuts.

To ensure that indigenous and riverside communities are properly valued, tourism operators truly committed to sustainable practices lead tours that respect traditions, establish boundaries, and share profits fairly. This way, Amazonian culture can be shared and enriched responsibly and in a balanced manner, avoiding conduct that puts the community and the environment at risk.

How to experience the Amazon River in Brazil

There are four practical ways most travelers experience the river. The right one depends on your comfort level, time, and budget.

Amazon River Cruises

Multi-day cruises move you through the river system aboard a small ship with cabins, meals, and a daily program of guided excursions. This is the most efficient way to see distance—you cover stretches of river that no lodge can reach. Comfort ranges from rustic to luxury Amazon river cruises in Brazil.

👉 Read more:

• Best Amazon River Cruises in Brazil
• What’s the Best Time of the Year for Amazon River Cruises in Brazil?

Jungle Lodges

Jungle lodges sit on tributaries off the main river and use small boats for daily excursions, providing great accommodations, a variety of leisure spaces, and premium services—just like any high-rated hotel.

You unpack once and explore one stretch of rainforest deeply. Best for travelers who want to settle in! 

👉 Read more: Best Amazon Jungle Lodges in Brazil

Kayak and Small-Boat Expeditions

Active travelers who want intimacy with the river can paddle smaller tributaries with a guide. Less wildlife distance, more physical engagement. 

👉 Explore the adventure: 4-day Amazon Kayak Tour Brazil

Day Trips and Short Stays from Manaus

If you only have one or two days, day trips from Manaus, capital of the state of Amazonas, reach the Meeting of the Waters—where the black Rio Negro meets the muddy Solimões—and small communities downstream. Worth doing even if you’re staying in a lodge!

👉 Explore the adventure: 3-day Amazon Jungle Tour from Manaus

Everything You Need to Know about the Amazon River, Brazil

Given its vital role for Brazil, South America, and global ecological stability, the Amazon River is a complex system that naturally generates many inquiries. PlanetaEXO addresses several of these key questions below.

How long is the Amazon River?

6,992.06 km (4,344 miles), making it the longest river in the world in terms of length and water volume.

How deep is the Amazon River?

Average depth is around 50 meters; maximum recorded depth exceeds 100 meters in places. 

How wide is the Amazon River?

It varies from 1.6 km in the dry season to over 40 km in the flooded wet season. The mouth of the Atlantic is 330 km wide and contains an island the size of Switzerland.

In which country is the Amazon River?

It crosses Peru, Colombia, and Brazil, with about 60% of its course in Brazilian territory. The basin extends across nine countries: Brazil, Peru, Colombia, Venezuela, Ecuador, Bolivia, Guyana, Suriname, and French Guiana.

Is the Amazon River safe to visit?

For travelers on guided trips with registered operators, yes. The rainforest itself is statistically safer than most cities. Standard precautions apply for the gateway city Manaus.

👉 Read more: Is Manaus Safe? An Comprehensive Guide for Travelers Heading to the Amazon

Why is the Amazon River important?

The Amazon River Basin produces an estimated 6–9% of the world’s oxygen, regulates rainfall across South America, and stores roughly 120 billion tonnes of carbon in its forests. 

Its discharge into the Atlantic influences ocean currents and global climate. Practically, it sustains the world’s most biodiverse ecosystem and directly supports tens of millions of people.

Can you swim in the Amazon River?

In some places, yes. The dark waters of the Rio Negro are largely free of piranhas and caimans in their main channel and are commonly swum during cruises and lodge stays.

The muddy Solimões/Amazon main channel is a different story; locals don’t swim there, and neither should you. Always follow your guide’s lead.

Visit the Amazon River in Brazil with PlanetaEXO

If you’ve made it this far, you’re not just researching for school—you’re probably trying to plan a trip. Luckily, PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil, can help you with that!

In partnership with the best local operators out there, we design tailored itineraries that cater to all your preferences and needs, taking care of bookings, transfer options, and everything you need for an unforgettable trip. This way, all you have to do is enjoy the Amazon’s beauty. Contact us now!

Learn more about Brazil’s highest mountain, a sacred Yanomami landmark hidden deep in the Amazon Rainforest

Pico da Neblina is the highest peak in Brazil, standing at almost 3,000 meters above sea level. Hidden in the northwest Amazon, it rises above the rainforest canopy, and it’s almost always wrapped in mist. 

Beyond being the tallest mountain in Brazil, Pico da Neblina is also part of one of the most remote and least-explored regions of South America. Its wilderness, dense forest, and rugged trails make it a destination that combines adventure, conservation, and cultural depth.

PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil, has put together a complete guide with 10 facts about Pico da Neblina so you can prepare before embarking on your journey. Check it out below!

1. Highest mountain in Brazil

Standing at precisely 2,995 meters, Pico da Neblina is officially the highest point in Brazil. From its summit, travelers find themselves looking over an endless green carpet of rainforest stretching to the horizon. Have you ever imagined standing above the Amazon clouds? That’s the reward of reaching the top.

There are other impressive peaks in the country, but none surpass Pico da Neblina. Pico 31 de Março (2,974 m), located nearby in the same mountain range, is the second tallest, while Pico da Bandeira (2,892 m), between the states of Espírito Santo and Minas Gerais, is the third. The famous Mount Roraima (2,734) sits at #8 on the ranking.

These comparisons highlight how unique this place truly is. It’s a reminder of how diverse Brazil’s landscapes are, from coastal plains and wetlands to towering mountains hidden deep inside the forest.

2. Deep in the forest

Pico da Neblina National Park is located in the far northwest of the Amazonas state, right on the border with Venezuela, within the São Gabriel da Cachoeira municipality.

Getting there is an adventure in itself. Travelers usually fly from Manaus to São Gabriel da Cachoeira, then continue by four-wheel drive and canoe along the Cauaburis and Maturacá rivers until reaching the Yanomami village of Maturacá, the gateway to the park.

👉 Read more: How to get to the Amazon Rainforest

3. A sacred mountain for the Yanomami

The Yanomami people see Pico da Neblina as a sacred place where ancestral spirits and the powerful Xapiripë reside. In their cosmology, these spiritual beings dance in mirrors of light to protect the forest, sustain life, and keep the sky from collapsing.

The Yanomami are one of the largest Indigenous groups in South America, with more than 30,000 people living between Brazil and Venezuela. In the Brazilian share, they inhabit territories in the Roraima and Amazonas states, including the area surrounding Pico da Neblina National Park.

For travelers, this turns the climb into a cultural and spiritual journey that highlights the risks of greed and the importance of protecting the Amazon.

4. The meaning of the name

What does “Pico da Neblina” mean? In Portuguese, it translates to “Peak of the Fog” describing the constant mist that surrounds its summit. But the meaning of the name goes deeper when we consider its Yanomami name: Yaripo.

For the Yanomami, Yaripo is not just a physical place but a spiritual landmark where the sky and earth connect. This duality, the descriptive Portuguese name, and the sacred Indigenous name reflect the blend of science and tradition that defines the mountain.

Since its official recognition in the 20th century, the name “Pico da Neblina” has been widely used, but Indigenous voices ensure that Yaripo remains alive in collective memory.

5. Pico da Neblina remained closed for years

Until the early 2000s, expeditions to Pico da Neblina were common, often organized by private operators without Indigenous participation or environmental oversight. For the Yanomami, this uncontrolled flow of outsiders into Yaripo, their sacred mountain, was deeply disturbing.

In 2003, following rising tensions over government plans to develop tourism infrastructure, the park was officially closed. Tourism remained suspended for almost 20 years, until a new model based on conservation and Indigenous leadership was gradually developed through dialogue and partnerships. 

A pilot project was launched in 2019, with plans to reopen in 2020 delayed by the COVID-19 pandemic. By 2022, visitation resumed under an ethnotourism framework led by the Yanomami people.  

Today, visitors follow rituals of purification with shamans before climbing, and every experience, such as PlanetaEXO’s Pico da Neblina Expedition, is planned with Indigenous associations to ensure cultural respect and environmental care.

6. The second-largest national park in Brazil

Despite being the highest point in Brazil, Pico da Neblina is also the second-largest national park in the country, covering an impressive area of 22,200 km². Only the Jaú National Park, also in Amazonas, is bigger.

Created in 1979, the park protects mountains, rivers, and vast stretches of rainforest along the border with Venezuela. Its remoteness makes it one of the least visited but also one of the most pristine. Imagine a park larger than many countries in Europe (Greece, Iceland, Hungary, Portugal, etc.); that’s the scale we’re talking about.

For visitors, this immense area means days of trekking through varied ecosystems: lowland rainforest, cloud forests, alpine vegetation, and misty summits. 

👉 Read more: National Parks in Brazil

7. Discovery and first ascent

Pico da Neblina was first identified by non-Indigenous people in the 1950s, during aerial surveys of the Amazon. But it wasn’t until the following decade, in 1965, that an expedition carried out by the Brazilian army confirmed its altitude of 2,994 meters. This moment shifted national geography, as Pico da Bandeira was considered the country’s highest point back then.

The remoteness of the region, the lack of infrastructure, and the complexity of the terrain all played a huge role in the delay between discovery and official exploration. Unlike other mountains with established trails, reaching Pico da Neblina required building routes through untouched rainforest.

For the Yanomami, Pico da Neblina (Yarapo) was never “discovered.” They had always known and revered it as a sacred place. The notion of “first ascent” is, therefore, relative—it represents the perspective of the näpe (non-Indigenous).

In recent years, a historic moment added a new chapter: Maria Yanomami became the first Indigenous woman to climb Yaripo, joining the test expeditions that shaped today’s official tourism route. Her achievement reflects the growing role of Yanomami women in guiding, organizing, and sustaining Pico da Neblina expeditions.

👉 Read more: Women in Ecotourism – Female Presence that Makes the Sector Happen

8. Not an easy expedition 

Reaching the summit of Pico da Neblina is far from simple. The trek covers about 35 kilometers from the first base camp to the top, spread across several days of hiking through dense rainforest, steep ascents, and sections of slippery terrain.

Climbers face river crossings, high humidity, sudden changes in weather, and altitudes above 2,000 meters that demand extra endurance. In total, it usually takes 6 days of trekking from the starting point until the summit day, making it one of the most demanding trails in Brazil. 

For this reason, it is recommended only for travelers who already have experience with challenging multi-day hikes and enjoy wild, remote adventures.

👉 Read more: Best Hikes in Brazil – From Rainforests to Mountain Peaks

9. Ancient mountain range

Geologists believe Pico da Neblina was formed around 3 billion years ago, making it part of some of the oldest geological structures in South America. It belongs to the Guiana Shield, a vast region of ancient rock that also includes Mount Roraima.

These formations predate the Andes and many other famous mountain ranges. Can you imagine rocks that are older than Pangaea itself? That’s the kind of history hidden in Pico da Neblina’s slopes!

This ancient origin explains the mountain’s rugged landscapes, steep cliffs, and constant weather changes. 

10. Biodiversity and weather

Because of its altitude and location, Pico da Neblina shelters a unique combination of Amazonian biodiversity and highland species. Rare orchids, moss-covered forests, and alpine plants thrive near the summit.

The unique flora includes fascinating species like Drosera meristocaulis and Heliamphora ceracea, carnivorous plants that only grow on Neblina’s slopes. 

Wildlife here includes tapirs, giant armadillos, and hundreds of bird species. The region is also a hotspot for endemic species found nowhere else. Amphibians like Stefania neblinae and Neblinaphryne mayeri are exclusive to this environment, as well as the Neblina uakari (Cacajao hosomi) and the Architis neblina, a spider officially registered in 2008.

Due to its location near the Amazon Rainforest, the region receives a lot of rain. This can present some challenges for trekkers, but it’s great for the vegetation to grow strong and abundant.

The unpredictability of the weather at Pico da Neblina is something to pay attention to. It’s hot and humid in the lowlands, but chilly and foggy at higher elevations. Temperature variation is just as dramatic, ranging from 20°C during the day to 0°C at night.

👉 Read more: When is the Best Time to Visit the Amazon Rainforest in Brazil

Exploring Pico da Neblina with PlanetaEXO

Pico da Neblina is not a regular trek but a transformative journey where every step supports the Yanomami and helps to protect one of the last wild frontiers of the Amazon. 

With PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil,  travelers are guided by the best local partners—the people who know the mountain best and who have lived in it for centuries. Contact us now!

The Amazon Rainforest offers unique landscapes and  diverse experiences spread across different Brazilian states

Covering a staggering area of approximately 5 million km², the Amazon Rainforest in Brazil hides a whole universe of biodiversity across different states, with emphasis on ecotourism in Amazonas, Pará, and Mato Grosso.

In other words, it holds destinations and activities for every type of traveler, so choosing the best places to visit in the Amazon depends on the kind of adventure you’re looking for. Do you want to relax in nature? Watch the wildlife? Meet new people and cultures? It’s essential to think about what you want to plan for your trip accordingly!

As an ecotourism platform specializing in Amazon Rainforest tours in Brazil, PlanetaEXO can help you decide which experience suits you best. Check our suggestions right below!

Manaus (Amazonas)

Manaus is the capital of the state of Amazonas and the main gateway to the rainforest. The city boasts a rich history, bustling markets, and vibrant theaters, making it a fantastic cultural hub. It’s also where many Amazon tours begin. 

If you don’t want to go deep into the jungle, or if you want to explore the city before or after visiting the forest, Manaus is a good place for day trips, and you can still enjoy the magnetic Amazonian atmosphere even in urban areas.

Why visit:

• Starting point for tours in various areas of the Amazon Rainforest.
• Meeting of the Waters, the phenomenon where the waters of the Negro and Solimões rivers flow without mixing.
• Historical heritage of northern Brazil. Unmissable spots: Amazonas Theater, Provincial Palace, and Adolpho Lisboa Market.
• Trails, exhibitions, and 42-meter-high observation towers at the Museum of the Amazon (MUSA).
• Unique gastronomy with regional ingredients such as tambaqui, pirarucu, açaí, and cupuaçu.
• River beaches, like Ponta Negra Beach, on the banks of the Negro River.

How to get there: Easily accessible by air via Eduardo Gomes International Airport (MAO).

👉 Read more: How to get to the Amazon Rainforest in Brazil?

Anavilhanas National Park (Amazonas)

Not only is Anavilhanas National Park located right in the middle of the Negro River, but it also holds the title of the second-largest river archipelago in the world, with over 400 islands—second only to Mariuá (1,400 islands), also in Amazonas.

One of the most breathtaking places in the Amazon Rainforest, Anavilhanas is home to a great concentration of igapós (forests permanently or seasonally flooded), which allow for fascinating experiences like swimming and canoeing among the treetops.

Why visit:

• Exploring the Várzea Amazônica (Amazonian floodplain), a floodable area of ​​the Amazon basin defined by ecosystems rich in biodiversity and fertile soils.
• Riverside communities, such as Santo Antônio and Tiririca.
• Sightings of pink river dolphins, sloths, birds, etc.
• Boat tours, forest trails, water trails, night spotlighting, etc.
• Madadá Caves (ancient sandstone formations).
• River beaches that emerge on the Negro River during the dry season (September to March).
• Incredible lodges, like Mirante do Gavião and Anavilhanas Jungle Lodge.

How to get there: Easy to reach from Novo Airão, near Manaus.

Jaú National Park (Amazonas)

If you’re planning a trip to the Amazon Rainforest in Brazil, then you should visit Jaú National Park, one of the biggest in the country, covering an area of 2.27 million hectares between the cities of Novo Airão and Barcelos.

Protecting the entire base of the Jaú River and forming part of the Central Amazon Conservation Complex, it’s recognized by UNESCO as a World Heritage Site.

Why visit:

• Home to various Amazon animals, such as caimans, manatees, jaguars, etc.
• Ancient rock inscriptions on the banks of the Negro River (seem especially during the dry season).
• Riverside communities, such as the Quilombo do Tambor.
• Forest trails, night spotlighting, waterfalls, river cruises, etc.

How to get there: Accessible by boat from Novo Airão.

👉 Explore these adventures in Jaú: 

• 5-day Amazon River Cruise in Brazil
• 7-day Amazon Cruise Trip in Brazil

Alter do Chão (Pará)

Alter do Chão is a district of the city of Santarém, in the state of Pará. Nicknamed “the Caribbean of the Amazon,” its white sand beaches blend harmoniously with the rivers and vegetation of the forest. It’s great for swimming and relaxing, especially between September and November.

Due to its location outside of Amazonas, the village shows a different side of the rainforest, being one of the best places to visit in the Amazon for those seeking unique experiences.

Why visit:

• River beaches along the banks of the Tapajós River, including Ilha do Amor (Love Island), Ponta do Cururu, and Ponta Grande.
• Sairé Festival, an annual local celebration that blends religious rites of Jesuit origin with indigenous traditions and folkloric legends of the pink river dolphin and tucuxi dolphin.
• Riverside and indigenous communities (Coroca, São Marcos, and Tucumã).
• Activities in the forest, such as hiking trails, igapó tours, and Amazon river cruises.

How to get there: The main route to Alter do Chão is via Santarém, which is accessible by air or boats from Belém and Manaus.

👉 Explore this adventure: Amazon Cruise from Alter do Chão

Mamirauá Reserve (Amazonas)

Created in 1996, the Mamirauá Sustainable Development Reserve is a Brazillian pioneer in combining environmental preservation with the sustainable development of traditional populations.

Located in Tefé, on the Solimões River, it’s one of the best places in the Amazon Rainforest to appreciate the seasonal flooding and ecotourism in an area marked by authenticity and isolation.

Why visit:

• Community-based tourism, encompassing 177 communities and over 11,500 residents.
• Connection with nature in the world’s largest floodplain forest.
• Impressive biodiversity, including the bald uakari monkey, symbol of the reserve.
• Hiking trails, canoeing, wildlife watching, night spotlighting, and piranha fishing.
• Home of Uakari Lodge, the floating hotel on Lake Mamirauá.

How to get there: Reach the Mamirauá Reserve by boat from Tefé, accessible by air from Manaus.

👉 Read more: When is the Best Time to Visit the Amazon Rainforest in Brazil

Alta Floresta (Mato Grosso)

Alta Floresta is a charming city of just over 62,000 inhabitants. Located in northern Mato Grosso, it serves as the gateway to the state’s Amazon share, characterized by dense forests and the confluence with the Cristalino River—a tributary of the Teles Pires River.

While it’s a lesser-known part of the Amazon, Alta Floresta boasts breathtaking natural views, preserved areas, and rich biodiversity.

Why visit:

• The location, marked by the transition between the Cerrado and Pantanal biomes, makes this one of the most abundant Amazonian areas in terms of fauna, including monkeys, giant otters, peccaries, and tapirs.
• With over 600 cataloged bird species, it’s great for birdwatching.
• Forest formed by giant trees (approximately 60 meters tall).
• Cristalino Jungle Lodge, one of the best and most luxurious sustainable luxury accommodations in Brazil, is located in a private forest reserve of over 11,000 hectares.

How to get there: Departing from airports in São Paulo (VCP) or Cuiabá (CGB), fly to Alta Floresta Airport (AFL).

Presidente Figueiredo (Amazonas) 

Only 107 km away from Manaus, Presidente Figueiredo is known as the Land of Waterfalls. In addition to more than 150 officially cataloged waterfalls, caves and natural pools are also hidden among the lush green vegetation.

This is one of the top places to visit in the Amazon for travelers who enjoy water activities and prefer destinations relatively close to large cities.

Why visit:

• Hundreds of waterfalls, including Pedra Furada, Orquídeas, Iracema, Judeia, Mutum, Araras, Neblina, etc.
• Refúgio do Maragoa, a 400-meter cave with impressive geological formations.
• Hiking trails, bird watching, rappelling, and water-based itineraries (especially between February and June, during the rainy season), including waterfall bathing, diving, boiacross, and rafting.

How to get there: 2-hour drive (car/bus) from Manaus.

👉 Explore this adventure in Presidente Figueiredo: 4-Day Amazon Kayak Tour!

Acajatuba Lake (Amazonas)

Near Manaus, Lake Acatajuba is located on the Negro River. One of its highlights is the community’s work to boost local tourism and support sustainable practices that can benefit families and the region’s ecosystem.

With lush scenery of dense vegetation and the typical dark waters of the Amazon Rainforest in Brazil, it’s known for its excellent conditions for encountering and interacting with pink river dolphins.

Why visit:

• Conscious tourism that values ​​environmental conservation and support for local residents.
• Acatajuba Village, a riverside community that welcomes tourists with programs related to traditional crafts and flour mills.
• Wonderful spot for sunset contemplation.
• Canoeing, night spotlighting, hiking, and wildlife and flora observation.
• Central point for Amazon jungle lodges and river cruises.

How to get there: 2 hours by boat from Manaus.

👉 Explore this adventure in Acajatuba: Zaltana Luxury Amazon Cruise

Mamori River (Amazonas)

South of Manaus, in the municipality of Careiro, the Mamori River is a tributary of the Amazon basin recognized for its rich wildlife, environmental preservation efforts, and ecotourism.

The region is considerably remote, offering incredible experiences for travelers seeking authenticity in the jungle.

Why visit:

• The Amazonian manatee can be found in the waters of the Mamori River.
• Great for sport fishing, especially for peacock bass and butterfly peacock bass (Cichla ocellaris).
• Riverside communities and rubber tappers.
• Hiking, kayaking, bird watching, survival techniques, and camping in the forest.
• Home of the Turtle Lodge, one of the main jungle hotels in the Amazon.

How to get there: The Mamori River can be reached by boat from Manaus.

Why choose sustainable tourism for your trip to the Amazon?

The Amazon plays a crucial role in regulating rainfall, stabilizing global temperatures, and maintaining unparalleled biodiversity. However, it faces significant threats, with over 50 million hectares of forest lost between 1985 and 2023. 

Choosing the right ecotourism experiences plays a key role in protecting the Amazon. By traveling with local guides and staying at ecolodges, you support sustainable practices that benefit both the environment and the local communities.

👉 Read more – Ecotourism in the Amazon Rainforest: 7 Tours to Connect with Nature

Visit the best places in the Amazon in Brazil with PlanetaEXO

The best way to visit the Amazon when it comes to authentic experiences and sustainability is by counting on the assistance of professionals who follow environmental practices, support local communities, and hold a deep respect for nature.

PlanetaEXO, an ecotourism platform specializing in Amazon Rainforest tours in Brazil, works with well-respected local partners and takes you to the most incredible places for an unforgettable vacation in one of the most fascinating ecosystems in the world. Contact us now!

The richest ecosystem on Earth is home to countless species of animals. Discover the wildlife of the Amazon Rainforest!

Known for its incredibly rich vegetation, the Amazon Rainforest is dense and diverse, with over 2,500 species of trees and 30,000 types of plants—out of 100,000 in all of South America. While the flora is abundant, so is the fauna.

From mammals to fish, amphibians to birds, Amazon animals are as impressive as the place they call home. The rainforest is the Brazilian biome with the most species, sheltering over 75% of mammals and 80% of birds in national territory.

To help you discover the secrets of these creatures, PlanetaEXO, an ecotourism platform specialized in Amazon Rainforest tours in Brazil, has selected 15 fascinating animals that live in the largest tropical forest on the planet. Check it out below!

What animals live in the Amazon Rainforest, Brazil?

According to Embrapa (Brazilian Agricultural Research Corporation), there are approximately 30 million animals in the Amazon jungle, not counting those that haven’t been cataloged yet. 

The rivers are home to almost 3,000 species of fish and notorious mammals, while predators, monkeys, and birds hide among the trees.

Keep in mind: although the Amazon fauna is undeniably rich, the animals are camouflaged by the dense vegetation or follow nocturnal habits. It’s not impossible to spot them, but it’s less common than in the Pantanal—considered the best place for wildlife watching in Brazil.

👉 Read more: Pantanal or the Amazon: which one should you choose?

1) Amazon river dolphin

Perhaps the symbol of the Amazon Rainforest fauna, the river dolphin is known for its pink skin and friendliness, always welcoming and interacting with humans. Though it’s particularly famous in Brazil, it’s also found in other countries (Bolivia, Ecuador, Colombia, Peru, and Venezuela).

Fun facts about Amazon river dolphins:

• Largest freshwater dolphin in the world, measuring up to 2.5 meters and weighing an average of 200 kg.
• Male dolphins are larger and pinker, while females are smaller and grey-colored.
• To move around in the rivers and flooded forests, as well as find food in the dark waters of the biome, Amazon river dolphins have a well-developed echolocation system.
• Local legend says the Amazon river dolphin turns into a charming man during the full moon in the month of June. In human form, it attends festivities, seduces women, and leaves them behind to return to the river. This myth was widely used in popular tradition to explain fatherless children.

2) Amazonian manatee

The Amazonian manatee is the smallest manatee in the world, measuring up to 3 meters and weighing an average of 450 kg. This gentle giant has been protected by Brazilian law since 1967, though it’s still hunted for the illegal meat trade, and calves are often accidentally caught in fishing nets.

Fun facts about Amazonian manatees:

• Just like a fingerprint, each manatee has a white or pinkish spot on their bellies.
• Around Marajó Island (Pará) and the coast of Amapá, Amazonian manatees live in sympatry with their marine counterpart (West Indian manatee).
• By feeding on aquatic and semi-aquatic plants, they contribute to the nutrient cycling of rivers and vegetation control.
• Discreet and fairly solitary, its lifespan is estimated at 60 years.

👉 Read more: How to get to the Amazon Rainforest in Brazil?

3) Harpy eagle

One of the most fascinating Amazon animals, the harpy eagle is the largest bird of prey in the Americas, reaching a wingspan of just over 2 meters and weighing up to 9 kg for females and 5 kg for males. As an apex predator, it feeds on sloths and monkeys, with claws strong enough to rip them off tree branches.

Fun facts about harpy eagles:

• Some Brazilian indigenous groups call them uiraçu, which means “bird bird.” They also believe it to be the personification of the tribes’ chiefs.
• Despite their size, it’s difficult to spot them due to their agility and solitary nature.
• They usually choose the tallest trees (over 40 m) to build their nests.
• Since harpy eagles prey on relatively large animals, they need to hunt in areas averaging 100 km²—the equivalent of 10,000 football fields!

4) Hyacinth macaw

With bright blue feathers and yellow features, the hyacinth macaw flies in pairs or groups and is very faithful to its mate. Sadly, they’re threatened with extinction due to hunting, illegal trade, and deforestation.

Fun facts about hyacinth macaws:

• Feed on nuts from two types of palm trees (acuri and bocaiúva).
• At around seven years old, they start to look for mates to breed.
• During the first 45 days of life, they are extremely fragile and unable to defend themselves—not even against cockroaches and ants.
• They’re also found in the Pantanal and in the Cerrado.

5) Woolly monkey

Woolly monkeys have very specific features, including a rounded head covered in short fur and long fur across the abdomen, which gives the impression of a robust stomach. That’s why this lovely ape is known as macaco-barrigudo (big-bellied monkey) in Portuguese.

Fun facts about woolly monkeys:

• They primarily inhabit the Amazon Rainforest on firm ground but may use flooded forests during periods of high fruit abundance.
• They live in the Negro-Solimões interfluve area, except for the eastern part. Also found in Colombia, Ecuador, Peru, and Venezuela.
• Wool-like coat with a brownish-gray color, a bit lighter on the head. 
• Categorized as gregarious animals, they live in large groups (12–70 individuals).

👉 Read more: Best Brazil Wildlife Tours and Destinations

6) Short-eared dog

Short-eared dogs are part of the list for rare animals in the Amazon Rainforest, as it’s quite difficult to spot them. Their elusiveness works as a form of protection, though deforestation can put them at risk.

Fun facts about short-eared dogs:

• They feed on small mammals, reptiles, birds, insects, and fish.
• They look like medium-sized dogs, with dark brown or greyish coats, long snouts, and weighing over 10 kg.
• Habitat records exist in floodplains, upland forests, swamps, bamboo plantations, and along rivers.
• Due to their avoidance of humans, knowledge about them is still considerably limited.

7) Red-bellied piranha

Contrary to popular belief, piranhas aren’t considered the Amazon Rainforest’s most dangerous animals. Red-bellied piranhas, in particular, don’t tend to attack humans at all—despite their very sharp, triangle-shaped teeth.

Fun facts about red-bellied piranhas:

• Their diet consists of insects, aquatic invertebrates, mollusks, crustaceans, other fish, fruit, seeds, and aquatic plants.
• Highly valued in local cuisine, it is considered an aphrodisiac.
• Inhabits rivers, lakes, and muddy water lagoons.
• They reproduce during the rainy season, mostly from April to May. Females lay approximately 5,000 eggs on newly submerged vegetation in nests built by males.

👉 Read more: When is the best time to visit the Amazon Rainforest in Brazil

8) Giant otter

Classified as territorial predators, the giant otter is considerably more aggressive than the Asian small-clawed otter. Excellent swimmers and skilled hunters, fish, crabs, frogs, snakes, and lizards are some of their favorite food.

Fun facts about giant otters:

• Widely found in the Amazon, they also inhabit other Brazilian biomes (Pantanal, Cerrado, and the Atlantic Forest).
• Distinguished by the white markings on their necks (unique to each individual).
• They live in groups of up to 20 members, consisting of a couple and several offspring.
• Giant otters use a kind of communal toilet, which also serves to mark their territory with its characteristic scent.

9) Uakari

Uakari is the common name for the New World monkeys from the genus Cacajao. Its most striking features are the lack of fur on the top of its head and a reddish face—the redder the face, the healthier the animal is.

Fun facts about uakaris:

• Also known as macaco-inglês (English monkey) in Portuguese.
• Native to Brazil, but can also be found in the Colombian and Peruvian Amazon.
• Though it’s categorized as a vulnerable species in the IUCN’s Red List of Threatened Species, it has a considerable population near the town of Tefé.
• A major inspiration for Uakari Lodge, a jungle hotel located in the Mamirauá Reserve.

👉 Read more: Best Amazon Jungle Lodges in Brazil

10) Jaguar

The Pantanal is the best place in the world to spot jaguars, but they’re also a part of the Amazon Rainforest wildlife and even the Cerrado. This habitat variation occurs for a single reason: the incredible adaptability of the largest feline in the Americas.

Fun facts about jaguars:

• As of October 2025, just over 6,300 jaguars had been recorded in protected areas of the Amazon, according to the Mamirauá Institute.
• The dense vegetation of the Amazon makes hunting more difficult than in the open fields of the Pantanal. Therefore, jaguars in the Amazon region are smaller.
• Researchers recently discovered that jaguars can meow like cats, especially when females and cubs communicate.
• Just like the human fingerprint, the rosettes (black spots scattered across the jaguar’s body) serve as a form of identification for each individual.

11) Black caiman

Deadly and silent, the black caiman is an expert in camouflage and hunts equally dangerous predators, like the anaconda. During night tours, it’s one of the easiest Amazon animals to spot due to their bright eyes shining in the darkness.

Fun facts about black caimans:

• One of the largest crocodilians in the world, it measures over 4 meters and weighs 400 kg.
• When young, they are hunted by other animals but become apex predators when they become adults due to their massive size.
• Unlike other Brazilian species, the black caiman is solitary and is very rarely seen close to each other.
• Essential for the ecological balance of the Amazonian ecosystem, as well as controlling populations of capybaras, fish, mammals, and even birds.

👉 Read more: Best Amazon River Cruises in Brazil

12) Cane toad

The cane toad is fascinating, but not many people get close to them due to their appearance—coarse skin, warts spread across the body, and a fairly unfriendly face—and the milky venom they squirt on attackers, which can affect the heart and cause hallucinations. Who would’ve thought this would be one of the most dangerous animals in the Amazon Rainforest?

Fun facts about the cane toad:

• Reproducing at any time of the year, females lay up to 30,000 eggs.
• Big and bulky, they can weigh up to 1 kg (especially pregnant females).
• Known for the very loud, almost incessant croaking when searching for mates.
• The venomous squirt can reach a distance of almost 2 meters.

13) Pale-throated sloth

Slow-paced and lazy, the pale-throated sloth sleeps over 14 hours a day. It rarely comes down from the trees, except to relieve itself once a week. Though deforestation can put these Amazon animals at risk, they’re often spotted as there is a healthy population across the rainforest.

Fun facts about pale-throated sloths:

• A sloth’s daily movement is approximately 38 meters—and nothing else.
• In comparison to their slowness on land, they’re surprisingly good swimmers and are quite fast in the water.
• Despite the sharpness of their claws, pale-throated sloths don’t fight off predators and only use them to climb on trees.
• To avoid predators like harpy eagles, jaguars, and large snakes, they tend to move around only when night falls.

👉 Read more: 20 animals in Brazil – wildlife facts and where to find them

14) Electric eel 

The Amazonian electric eel is known locally as poraquê, which means  “the one who puts to sleep” in the indigenous Tupi language. The name makes sense—their electrical discharges are around 500 volts but can reach up to 1500 volts, according to studies by the National Institute for Amazonian Research.

Fun facts about the electric eel:

• With a cylindrical and elongated body similar to a snake, they can grow up to 2.5 meters in length.
• There are two species: Electrophorus voltai (found in Pará, Amazonas, Rondônia, and Mato Grosso) and Electrophorus electricus (found in the north of Amapá, Amazonas, and Roraima, in addition to French Guyana and Suriname).
• Comparable to a battery, the frontal part of its body has a positive charge, while the tip of its tail has a negative charge.
• The Electrophorus voltai was named in honor of Italian physicist Alessandro Volta, creator of the battery.

15) Anaconda

Famous in pop culture and feared by humans and animals, the anaconda is deadly, but not poisonous. When it finds its prey (mammals, birds, amphibians, reptiles, fish), it wraps its bulky body around the victim until they suffocate. Then, the feast begins.

Fun facts about anacondas:

• There are five different species: green anaconda, northern green anaconda, yellow anaconda, beni anaconda, and dark-spotted anaconda.
• The green anaconda is the largest (up to 7 meters and 130 kg) and the most commonly found in the Amazon River fauna.
• In Portuguese, they’re called by various names: sucuris, boiaçus, boiçus, arigboias, sucurijus, viborões, etc.
• The Anaconda horror franchise has seven films. The first one, released in 1997, was a huge success at the box office, and it is now considered a cult classic.

See the Amazon animals up close with PlanetaEXO

While the animals in the Amazon jungle are quite shy, travelers can still spot a few of them during boat trips, guided hikes, or night tours, especially river dolphins, sloths, caimans, and different species of birds.

With PlanetaEXO, an ecotourism platform specialized in Amazon Rainforest tours in Brazil, you explore nature in an authentic, responsible way. Our talented team works with the best local partners to ensure you’ll have the adventure of a lifetime. Contact us now!

The activities of river cruises in the Amazon Rainforest differ depending on the season, making each trip totally remarkable

As ecotourism tours in the Amazon become even more comfortable and focused on exploring nature responsibly, river cruises are great for travelers looking for comfort, rich itineraries, eco-friendly practices, and one-of-a-kind experiences.

Considering the influence of the seasons on nature destinations, it’s common to wonder when is the best time of the year for Amazon river cruises in Brazil. Knowing this, in fact, is crucial for efficient vacation planning.

That’s why PlanetaEXO, an ecotourism platform specialized in Amazon Rainforest tours in Brazil, has created a guide to help you understand the proper time for your river cruise. See more below!

Best time of the year to go on Amazon cruises in Brazil

Amazon jungle cruises can be enjoyed all year long! Even during periods when rainfall is significantly lower, the forest is humid enough that the rivers are always full for boats to pass through. The experience only becomes unfeasible during periods of extreme drought, but situations like that are atypical.

During different seasons (wet and dry), cruises operate normally, but activities change to accommodate weather variations and flooding in some areas of the forest.

In other words, you’ll discover the wonders of the Amazon regardless of the season, though your itinerary will vary according to the time of year.

👉 Read more:

• Best Amazon River Cruises in Brazil
• Best Amazon Jungle Lodges in Brazil

Amazon river cruises in Brazil: rainy season (December to May)

The rain is frequent and heavy in the wet season. As the rivers get higher, the Amazon Basin starts to flood and some parts of the forest become submerged — that’s what locals call igapós.

For that reason, passengers leave the vessels and enjoy specific activities, such as:

• Canoeing and swimming through treetops in igapós
• Boat trips and other water-related activities in Anavilhanas National Park, Alter do Chão and the Mamirauá Reserve
• Wildlife watching — mostly Amazon pink dolphins, birds and mammals that usually climb trees to avoid the water

👉 Read more: When is the Best Time to visit the Amazon Rainforest in Brazil

Amazon river cruise in Brazil: dry season (June to November)

Less rain means lower water levels. As the rivers start to shrink, hiking trails are unblocked by the drainage of flooded areas.

Therefore, it’s easier to spot some aquatic or semiquatic animals, who concentrate on smaller zones in the water.

If you go on an Amazon boat cruise during the dry season, your itinerary will probably include:

• Hiking in the forest, as well as visiting waterfalls and exploring caves
• River beaches in Alter do Chão, Anavilhanas, Jaú National Park and near Manaus
• Night spotlighting — mostly caimans, but other nocturnal animals might also be spotted

👉 Read more: How to get to the Amazon Rainforest in Brazil?

What should I pack for an Amazon Rainforest river cruise?

As you can see, the best time of the year for Amazon river cruises in Brazil depends on what experience you’re looking for.

Whether you plan your trip during the wet or the dry season, here are some essential items you should definitely pack:

• Light clothes: t-shirts, long-sleeved shirts (preferably with UV protection), pants, shorts, hats or caps, swimwear
• Shoes: flip-flops, sandals, hiking boots
• Travel essentials: documents, money (cash and credit/debit cards), medication, sunscreen (SPF 30 or higher), insect repellent, sunglasses, chargers (phones, cameras, laptops, tablets), powerbank
• Equipment: flashlight, raincoat, microfiber towel, personal reusable water bottle

Join PlanetaEXO on the best Amazon river tours

As an expert in Amazon Rainforest tours in Brazil, PlanetaEXO works with the most esteemed local operators to provide wonderful travel experiences in the largest rainforest on Earth, always following community-based and sustainable tourism practices.

Experience comfort and immersion in nature with our multiple-day luxury Amazon cruises and turn your dream vacation into reality. Contact us now!