The Amazonian manatee (Trichechus inunguis) is a species of manatee that lives in the Amazon Basin in Brazil, Peru, Colombia and Ecuador. It has thin, wrinkled brownish or gray colored skin, with fine hairs scattered over its body and a white chest patch. It is the smallest of the three extant species of manatee.

The Amazonian manatee, also known as Trichechus inunguis, is a unique aquatic mammal found exclusively in the freshwater habitats of the Amazon River and its tributaries in South America. This species of manatee is the smallest of the three extant species of manatee and is a member of the Sirenia order.

Trichechus inunguis One of the 3 manatee species in the world, Trichechus inunguis is a river dweller that can reach 2.8 m in length and weigh half a ton. Manatees are found from the mouth of the Amazon River to the upper reaches of the tributaries of Brazil, Colombia, Ecuador, Guyana and Peru.

The Amazonian manatee (Trichechus inunguis) is a large aquatic mammal with a bizarre appearance, first described as "a curious combination of a seal and a hippopotamus". It is the smallest of the three extant species of manatee.