all crocodiles are reptiles with long snouts long tails four short legs tough skin ang sharp teeth. members of the crocodiles family include alligators crocodiles caimans and gavials. crocodiles live in warm weather throughout the year and they spend part of their time in the water and part of their time on land. almost all crocodiles grow to be very large with largest more than twenty feet long. there are two kinds of alligators 14 kinds of crocodiles eight kinds of caimans and one kind of gavial