The 11 species often referred to as are found throughout the Americas, Europe, Africa, an.... otter river

River otters hunt visually while chasing fish, but they use their manual dexterity to dislodge crabs and crayfish from under rocks. River otters hunt more effectively in shallow than in deep water, and, although they are proficient swimmers, all prefer slow-swimming species of fish. Most travel is aquatic, but river otters can venture swiftly overland between bodies of water. Young otters (pups) may fall prey to large s, and various s may kill adults traveling on land. otter river