They are generally olive-grey, with dark bands across their back and tail. These bands are hard to see in old adults. In crocodiles, the downward-pointing teeth of the upper jaw and the large 4th tooth on the bottom jaw are visible when the croc's mouth is closed. Lifestyle Crocodiles are excellent hunters in the water. Growing up, they eat insects and small fish.
Mothers take good care of their young.
And feeding time is usually a coordinated effort. Related Species American Crocodiles are related to other Crocodile types, Alligators, and Caimans. All About Crocodiles Crocodiles are left over from the age of the dinosaurs. Crocodiles are great hunters due to their lightening-fast reflexes. Crocs propel themselves in water using their powerful tails and webbed feet.