Crocodiles

crocodiles are known to be any predator animals.
crocodiles including predatory and malignant animals.

Crocodiles generally inhabit freshwater habitats such as rivers, lakes, swamps and other wetlands, but some live in brackish water such as estuarine crocodiles.

crocodile's main foods are vertebrate animals such as fish, reptiles and mammals, sometimes also prey, molluscs and crustaceans depending on the species.

Crocodiles are primeval animals, which have changed little since evolution since the days of dinosaurs