The Common Eagle Ray (Myliobatis aquila) is large ray in the Chondrichthyes class of cartilaginous fishes.

Eagle Ray

The Common Eagle Ray (Myliobatis aquila) is large ray in the Chondrichthyes class of cartilaginous fishes.

Sharks belong to the Chondrichthyes family.

White Shark

Sharks belong to the Chondrichthyes family.

The sturgeon, although a cartilaginous fish, has externally rows of bony plates. Almost every part of it is used, i.e. caviar from the roe.

Sturgeon

The sturgeon, although a cartilaginous fish, has externally rows of bony plates. Almost every part of…