giant otter, pteronura brasiliensis, portrait in the river water with fish in mouth, bloody action scene, animal in the nature

action amazon america animal aquatic black bloody branch brasiliensis brazil brown carnivore close closeup cute eating ecology endangered feed feet fish food forest funny fur giant hab head jungle kill life mammal mouth mustelidae nature nose otter peru portrait predator pteronura rain river scene small south swim the tropical water weasel wet whiskers wild wildlife with