26 Jun Cartilaginous fish have a skeleton made of cartilage and b
Cartilaginous fish have a skeleton made of cartilage and bony fish have a skeleton made of bone. Pisces (Fishes) There are almost ##25000## species of fish in this world. Pisces is a super class of the phylum Chordata. (Since half of chordates are fishes they are grouped in the super class Pisces) Fishes are divided into two classes: ##1.## Chondrichthyes: (Cartilaginous fishes) This group is also called Elasmobranchi and is comprised of marine fishes. They possess the following characteristics: Examples are sharks electric ray torpedo skates dog fishes etc. ##2.## Osteichthyes: (Bony fishes) This group is also called Teleostomi and its is the largest class of the phylum Chordata. They possess the following characteristics: This class includes eels sea horses (which is actually a fish) globe fish flying fish etc.
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