Amazon River Dolphin (Pink Dolphin)

Amazon River Dolphin (Pink Dolphin) Scientific Classification
Scientific name
Amazon River Dolphin (Pink Dolphin) Physical Characteristics
Grey, Pink
12-18 years
Top speed
18 mph
100-200kg (220-440lbs)
Amazon River Dolphin (Pink Dolphin) Distribition

The Amazon pink river dolphin is the most significant as well as most intelligent animal of the freshwater dolphin species.

Discover why this evasive dolphins species transforms a pink coloring as well as a lot more listed below!

The Amazon river dolphin (additionally referred to as the pink dolphin as well as botos) is a freshwater animal. It stays in the Amazon as well as the Orinoco rivers in addition to in rivers situated in Bolivia, Columbia as well as Peru. The river dolphin is smaller sized than various other kinds of deep sea dolphins, as well as the species has exceptional hearing. These dolphins have to reside in cozy, superficial water locations due to the fact that they have extremely little blubber. River dolphins endure in bondage with couple of fish tanks able to maintain them active.

Amazon river dolphins additionally usually come to be extra pink as they age, which has actually brought about the species coming to be referred to as the ‘pink dolphin.’

5 Amazing Amazon Pink River Dolphin Realities

Additionally referred to as the pink dolphin: There are numerous completing concepts on why the Amazon river dolphin has a tendency to come to be extra pink as it ages that you can uncover listed below!

The biggest species of river dolphin: River dolphins additionally reside in China as well as throughout the Indian subcontinent, however the Amazon river dolphin is the biggest species. Men are 50% bigger than women as well as can evaluate greater than 450 extra pounds.

Not one, however 3 species?: Researchers are presently split on whether the Amazon river dolphin is in fact one, 2, or 3 various species. To see even more concerning this recurring dispute, review our ‘species’ area listed below!

Various bodies than sea dolphins: Unlike sea residence dolphins, river dolphins have a bulge rather than a dorsal fin.

Inverted swimmers: Amazon river dolphins will regularly swim upside-down. Its thought the bulges on their rubdown throughout the river’s flooring as well as aid them find target.

Amazon River Dolphin Scientific Name

The Amazon river dolphin is additionally called a boto or the pink river dolphin, as well as its scientific name is Inia Geoffrensis

The animal’s typical name originates from where it usually makes its residence as well as its skin shade. The name boto is the one made use of by the citizens. It is additionally a preferred personality in South American folklore. In tales, the animals have impressive music abilities as well as are sexy. They additionally enjoy events. Some misconceptions declare that the dolphins can shapeshift right into human kind as well as have enchanting capacities.

Various other freshwater dolphin kinds are the Yangtze river dolphin, as well as the South Eastern river dolphin. Freshwater dolphins come from the Mammalia class. There are 4 river dolphin family members, that include the Iniidae, Pontoporiidae, Lipotidae as well as Platanistoidea.

 river dolphin jumps out of the water

Amazon River Dolphin Species

There is significant dispute within the scientific area regarding whether the Amazon river dolphin is in fact one, 2, or possibly also 3 various species.

In 2014, researchers in Brazil released research study in journal Story One that river dolphins in the Araguaia river were an one-of-a-kind species, the Araguaian river dolphin. Additionally, there has actually been significant dispute whether river dolphins residing in Bolivia are an one-of-a-kind species.

Since 2020, the IUCN identifies 3 subspecies: the Amazon river dolphin, the Bolivian river dolphin, as well as the Orinoco river dolphin.

Amazon River Dolphin Appearance as well as Habits

The pink river dolphin includes that unique dolphin smile. They have actually rounded temples as well as long, slim beaks.

While various other river dolphin species– such as the Ganges river dolphin– have dimorphism where women are bigger than men, the reverse holds true in Amazon river dolphins. Men can expand to be around 50% bigger than women as well as evaluate in extra of 400 extra pounds (180 kg).

The animal has conical-shaped teeth that they utilize to capture little fish as well as various other target. The river dolphin includes a lengthy nose that can come up to 23 inches long, as well as this has to do with 4 times longer than the nose of sea dolphins. The river dolphin has a two-chambered belly, as well as they breath by discharging air with a blowhole.

The animals swim with fantastic accuracy. Since river dolphins are very adaptable, they can steer around rocks, tree trunks as well as various other items. They additionally have the capability to swim onward utilizing one fin while the various other fin paddles in reverse. This swimming approach allows them make limited turns. River dolphins additionally such as to swim upside-down.

River dolphins have incredibly huge minds, as well as while dolphins are understood for swimming in teams, river dolphins have a tendency to invest even more time alone or amongst little teams of 2 to 4 dolphins. You may see a larger team of them in locations that are abundant with food, however it’s much less typical with river dolphins.

The Amazon river dolphin does not have a dorsal fin. Rather, it sporting activities a customized bulge. The animal makes its method with rivers as well as swamped locations utilizing solid fins as well as a tail fluke. Contrasted to nautical dolphins, river dolphins swim gradually. Their full throttle is around 35 miles per hr. The factor for this is that their neck vertebrae are not merged. This provides extra adaptability, however it suggests that they can not swim as quick. River dolphins have the ability to transform their heads without moving their bodies.

Like their sea relatives, pink river dolphins get along as well as interested. They engage with people regularly. River dolphins have special ear adaptions to aid them make it through in their watery atmosphere. Dolphins listen to noise from their throats rather than from their external ear to their internal ear. The animal’s ear is additionally acoustically divided from its head. Dividing these 2 body components are sinus pockets. The mix provides the animal boosted directional hearing under the water. Dolphins utilize a body organ called a melon to discharge high regularity clicks. This enables them to create biography finder. They utilize it to orient themselves.

Dolphins are reliant on echolocation. The animal species makes use of echolocation so well that a river dolphin might make it through also if it were blind. Echolocation allows the animal figure out the shapes and size of any kind of bordering product or things. River dolphins have little eyes, as well as they are not able to see well. Additionally, their eyes get on the sides of their heads. This suggests that their vision includes 2 different sights rather than the forward sight that individuals see.

Scientists think that some kinds of river dolphins are blind while others simply have very bad vision. A variety of the animals are eliminated due to the fact that they accidentally enter into call with webs as well as angling watercrafts.

Pink Dolphin: Why Amazon River Dolphins Are Additionally Called the ‘Pink Dolphin’

Among the specifying functions of Amazon river dolphins is they usually transform pink. Researchers are still looking into the factors for this special pigmentation, however a couple of concepts stand apart.

  • Battling: While not hostile with people, Amazon pink river dolphins will certainly usually deal with each other as well as leave considerable quantities of mark cells. It’s assumed this mark cells transforms pink, as well as is a reason that older men have a tendency to have one of the most unique pink pigmentation.
  • Camouflage: Amazon pink river dolphins reside in rivers along the Amazon rainfall forrest which are usually flooded with amazing quantities of rainfall. This high degree of rains triggers the sloppy bases of rivers to transform a red/pink tone. Amazon pink river dolphins might have just progressed to much better assimilate with their environments.

It is necessary to keep in mind that a lot of Amazon river dolphins are birthed a much more grey, as well as men have a tendency to come to be extra pink as they age. On top of that, this pink pigmentation typically covers components of their body while locations of grey stay. It’s assumed that men with even more pink pigmentation are much better able to draw in companions.

Ivan Sgualdini/Shutterstock. com

Amazon River Dolphin Environment

Amazon pink river dolphins reside in freshwater locations consisting of lakes, substantial rivers as well as little tributaries. As the Amazon is fed by huge stretches of rainfall forrest, annually it floodings its financial institutions for extensive time periods. Throughout this duration, Amazon pink river dolphins will certainly broaden throughout the large inland seas that are produced in floodplains.

You’ll locate them in Bolivia, Columbia, Ecuador, Brazil, Venezuela as well as Peru. The Amazon pink river dolphin additionally stays in the Amazon as well as Orinoco riverways as well as in the Araguaia River.

Amazon River Dolphin Diet

Amazon river dolphins have teeth that resemble the molar teeth that people have. Like individuals, the animals utilize their teeth to separate food prior to ingesting it. River dolphins aren’t particular concerning what they eat. The creatures will certainly eat on turtles, shrimp, crabs as well as greater than 40 various species of fish consisting of piranhas.

Amazon River Dolphin Predators as well as Hazards

Animals that victimize the river dolphin consist of huge serpents, jaguars as well as caimans. Nonetheless, once the species has actually passed teenage years they have couple of all-natural predators.

Human advancement as well as farming have actually had a significant influence on the environments of the river dolphin. These tasks have actually influenced the ecology of the rivers. Human angling is additionally intimidating the species. Overfishing is an issue due to the fact that it lowers the animal’s food supply. The dolphins additionally obtain captured in the webs.

Contamination is an additional risk to the Amazon river dolphin. Little gold mining procedures create mercury contamination, as well as this makes its method to dolphins with the food cycle. River dolphins eat a great deal of catfish, which harp on all-time low of rivers where mercury usually gathers.

Amazon river dolphins are jeopardized. The Brazilian Institute of Atmosphere as well as Renewable Natural Resources has actually taken actions to shield the dolphin species. They have actually made it prohibited for anglers to eliminate the dolphins. The

Amazon River Dolphin Recreation, Infants as well as Life-span

In South America, springtime is the stormy period. Throughout this moment, acres as well as acres of rain forest floodings, developing into a substantial tree-covered sea. The water comes to be deep sufficient for the river dolphins to swim among the trees. Mating period takes place when the water declines, as well as the man as well as women dolphins are tightened to the river networks. The dolphin species is polygamous, implying men mate with a number of women yearly. Nonetheless, women do not mate annually. They mate every 2 to 3 years.

Women river dolphins are extra brought in to men that are a brighter color of pink. To thrill the women, male river dolphins slap the water with lots of lawns or branches in their mouths. Occasionally, they stand up a turtle to record the focus of a lady. When a women river dolphin conceives, she’ll bring the calf bone for 11 to 15 months. The animal species brings to life simply one calf bone. After an infant dolphin is birthed, it will certainly registered nurse for over a year. Infant dolphins are usually around 30 inches long, as well as they evaluate around 22 extra pounds. Grown-up women dolphins normally have their calf bones from July to September. Once they’re birthed, infants stay near their mommies for security.

Sex-related maturation is based upon the dolphin’s dimension. When a women reaches 5.5 feet in size, she comes to be sexually fully grown. Men get to the phase once they’re 7 feet long. In the wild, river dolphins live for approximately 12 to 18 years, however they can live for as lengthy as three decades.

Amazon River Dolphin Populace

The approximated river dolphin populace is tough to approximate due to the fact that the dolphins reside in remote, sloppy waters, as well as do not have a distinct dorsal fin that makes detecting them simpler. Nonetheless, river dolphins are under risk.

For example, the Araguaian river dolphin populace is from 600 to 1,500 animals.


  1. David Burnie, Dorling Kindersley (2011) Animal, The Definitive Visual Guide To The World’s Wildlife
  2. Tom Jackson, Lorenz Books (2007) The World Encyclopedia Of Animals
  3. David Burnie, Kingfisher (2011) The Kingfisher Animal Encyclopedia
  4. Richard Mackay, University of California Press (2009) The Atlas Of Endangered Species
  5. David Burnie, Dorling Kindersley (2008) Illustrated Encyclopedia Of Animals
  6. Dorling Kindersley (2006) Dorling Kindersley Encyclopedia Of Animals
  7. David W. Macdonald, Oxford University Press (2010) The Encyclopedia Of Mammals

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