AFRICAN CLAWLESS OTTER
ASIAN SMALL-CLAWED OTTER
CONGO CLAWLESS OTTER
EURASIAN OTTER
GIANT OTTER
HAIRY-NOSED OTTER
MARINE OTTER
NEOTROPICAL OTTER
NORTH AMERICAN RIVER OTTER
SEA OTTER
SMOOTH-COATED OTTER
SOUTHERN RIVER OTTER
SPOTTED-NECKED OTTER