• Any of numerous cold-blooded aquatic vertebrates of the superclass Pisces, characteristically having fins, gills, and a streamlined body and including specifically

• Any of the class Osteichthyes, having a bony skeleton.

• Any of the class Chondrichthyes, having a cartilaginous skeleton and including the sharks, rays, and skates.

• Most important: The flesh of such animals used as FOOD!! Yummy!!!!!!!!!!!!