big and frightening eye of a caiman (caimaninae) crocodile staying in still water

alligator alligatorid alligatoridae amazon amazonia america amphibian animal aquatic big blooded caiman caimaninae calm carnivore cayman chordata cold crocodilae crocodile crocodilia crocodylomorpha danger dangerous endangered environment exotic eye fear forest frightening head hungry hunter jungle look looking lurk lurking nature observe patient predator prey rainforest reptile reptilia river science south staying still water