Question

What are 3 examples of jawless fishes?

Answer 1

Jawless fish:

1. Jawless fishes are members of class Cyclostomata.
2. Body is round and elongated just like an eel.
3. Paired fins are absent.
4. Median fins are present along with cartilaginous fin rays.
5. No paired appendages are present.
6. Skin is soft and smooth and is devoid of any scales.
7. Exoskeleton is absent but the endoskeleton is cartilaginous and with no bones.
8. Examples: Petromyzon, Lampetra, and Myxine.