closeup view of a sleeping otter

active animals aquatic asian attack badgers based blackish body branch brown carnivorous clean closeup cold crabs diets eating extant extinct family faster fish fisherman fishing frog habitat head hunter includes invertebrates life live lutrinae mammal mammals marine mink mustelidae nature ocean otter otters playful rest resting sea semiaquatic sleeping slim small species subfamily swim swimmer view water weasels white wolverines zoo