Otter Is A Common Name For A Carnivorous Mammal In The Subfamily Lutrinae. The 13 Extant Otter Species Are All Semiaquatic, Aquatic Or Marine, With Diets Based On Fish And Invertebrates. Lutrinae Is A Branch Of The Weasel Family Mustelidae, Which Also Includes Weasels, Martens, Minks, Polecats, Eurasian And American Badgers, Honey Badgers And Wolverines.

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american aquatic badgers based branch carnivorous common diets eurasian extant family fish honey includes invertebrates lutrinae mammal marine martens minks mustelidae name otter polecats semiaquatic species subfamily weasel weasels wolverines