Question

What are the four main types of scales?

Answer 1

Types of scales:

1. A fish scale is a tiny, hard plate that emerges from the fish's epidermis.
2. It is a small plate or shield that forms part of an animal's outer skin layers.
3. These protective scales, which are also good camouflage due to reflection and coloration as well as potential hydrodynamic benefits, cover the skin of the majority of jawed fishes.
4. Scales protect the animal from the elements as well as predators.
5. Bone from the deeper, or dermal skin layer is used to make fish scales.
6. The four types of scales found on fish are as follows: ctenoid, cycloid, placoid, and ganoid.