Do Chondrichthyes Have Vertebrae?

iːz/; from Ancient Greek: χονδρ- chondr- 'cartilage', ἰχθύς ichthys 'fish') is a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage. ... Chondrichthyes are jawed vertebrates with paired fins, paired nares, scales, and a heart with its chambers in series.

Do cartilaginous fish have vertebrae?

Cartilaginous fish also have thick, fleshy fins, unlike bony fish. The tail of cartilaginous fish is also distinctive: the tail is divided into two lobes, and the vertebrae extend into the upper lobe, which is elongated past the lower half.

Does chondrichthyes have a backbone?

Cartilaginous fishes (Class Chondrichthyes, from Greek chondros, cartilage, and ichthos, fish) are a class of aquatic, gill-breathing, finned vertebrates (animals with a vertebral column or `backbone'), equivalent to the bony fishes (Class Osteichthyes: osteos, bone, and ichthos, fish).