Neck very short, body streamlined, legs short, adapted for life in the water. Five toes on each foot, soles more or less hairy. They are expert swimmers and divers and can remain underwater for several minutes if necessary. They can also travel overland from one body of water to another. Otters play all kinds of different games, like follow the leader for instance.
Otters are wanderers and live over several miles of a waterway.
They are also shy. It eats mainly fish, but also crustaceans, mollusks, amphibians, reptiles, birds, and mammals. The fish they eat are sometimes rough fish. Nothing eats it usually, but people kill them. River otters are found in lakes, and the larger streams.