manatee(redirected from Round-Tailed Sea Cow)
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Related to Round-Tailed Sea Cow: Trichechidae
members of the genus Trichechus which with the dugongs make up the order Sirenia, of sea-cows. They are almost completely aquatic mammals with a large, fish-like body with flippers in front and horizontal tail flukes behind. They can be up to 13 ft long and weigh up to 2000 lb.