Elasmobranch definition

Any of various cartilaginous fishes of the subclass Elasmobranchii, having five to seven pairs of lateral gill slits and including the sharks, rays, and skates.

Designating or of a class (Chondrichthyes) of fishes characterized by cartilaginous skeletons, placoid scales, and lack of air bladders.

Any fish of this class, as the shark, skate, or ray.

Any of numerous cartilaginous fishes of the subclass Elasmobranchii, having five to seven gill slits on each side, dermal denticles for scales, and a small respiratory opening (spiracle) behind each eye. The pectoral fins of elasmobranchs are often greatly enlarged. Elasmobranchs include the sharks, rays, and skates.