Fin System of Fishes (With Diagram) | Chordata | Zoology

In this article we will discuss about the fin system of fishes with the help of suitable diagrams. Fins: Fins are the chief organs of locomotion in fishes. These are either folds of skin or projections from the body surface. The fins are supported by fin-rays. These supporting rays may be bony, cartilaginous, fibrous or horny. There are mainly two [...]