Otter, Giant River

Otter, Giant River

Pteronura brasiliensis

Vital Statistics


5 - 6 feet


Male: 70 - 100 lbs; Female: 48 - 57 lbs


Rainbow trout, Carp, River Fish, Tilapia, Red eye, Bream, Herring, Mackerel, Channel Catfish, Perch.


Status: Endangered

Geographic Region

South America - Orinoco, Amazon and La Plata River systems. Argentina; Bolivia; Brazil; Colombia; Ecuador; French Guiana; Guyana; Paraguay; Peru; Suriname; Venezuela.

At The Zoo

Faces of the Rainforest

Did You Know?

Their whiskers, which are called vibrissae, are used to detect changes in currents and water pressure. This helps when they are searching for fish and other prey because they can detect the prey's movement.