The brachial ossicles represent the reduced and modified radiale and basalia of cartilaginous fish such as the dogfish.
A cartilaginous fish allied to the rays, furnished with electrical organs, by means of which it is able to give powerful shocks.
Any of various fishes of the class Selachii (or Chondrichthyes), having a skeleton that is made of cartilage. Cartilaginous fishes breathe through gill slits, of which there are usually five, and their toothlike or platelike scales (called denticles) are made of dentine and enamel. Sharks, rays, skates, sawfish, and chimaeras are cartilaginous fishes. Compare bony fish, jawless fish.