shark,
Cartilaginous fishes
no. cartilaginous fishes are sharks and rays.
The class name for cartilaginous fishes is Chondrichthyes. These fishes have skeletons made of cartilage instead of bone, and include species such as sharks, rays, and skates.
Jawless fishes are voracious feeders while cartilaginous fishes are predators with a various diet.
it has denticles
Pizza?
Cartilaginous Fishes
No, sharks are not jawless fishes. They are Cartilaginous fishes
cartilage
cartilaginous fishes have lamelliform gills. bony fishes have filiform gills.
cartilaginous fish are in fact very similar to humans in that we both take in oxygen and release carbon dioxide. the difference is that cartilaginous fish breathe through their gills (slits along neck) by contracting and relaxing.
Rays are relayed to skates, chimeras, and sharks in the class Chondrichthyes, Cartilaginous fishes.