otter with catch fish. giant otter, pteronura brasiliensis, portrait in the river water level, rio negro, pantanal, brazil. wildli

amazon animal aquatic black branch brasiliensis brazil brown carnivore catch close closeup cute eating ecology ecuador feet fish food forest funny fur giant head jungle level life mammal mouth mustelidae nature nose otter peru portrait predator pteronura rain river small south swim tropical venezuela water weasel wet whiskers wild wildlife