Top 5 Devices Required for Protection of Fishes

The following points highlight the top five devices required for protection of fishes from their enemies. The devices are: 1. Scales 2. Electric Organs 3. Poison Glands in Fishes 4. Luminous Organs 5. Colouration. Device # 1. Scales: The body of all fishes (except the members of the family Siluridae and some bottom- dwellers) is covered by an exoskeleton in [...]