Vertebral Column in Fishes (With Diagram) | Chordata | Zoology
The vertebral column of fishes has two types of vertebrae, trunk vertebrae and caudal vertebrae; the anus marks the point of transition between the two types of vertebrae. The vertebrae are amphicoelous. Types of tails or caudal fins: In fishes the shape of the tail is correlated with the direction taken by the terminal portion of the notochord or vertebral [...]