As the world's largest species of otter, the Giant River Otter can be as long as 6 feet.
As the world's largest species of otter, the Giant River Otter can be as long as 6 feet. It can only be found living in three river systems, which are the Amazon, Orinoco, and La Plata. They live in family units and will also fish together as a unit. They mainly eat fish, but they will also supplement their diet with crustaceans, snakes, and other animals in the river.