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| 1. |
why fishes have scales on their body |
| Answer» <p>Scales are the exoskeleton located outside a fish body. Scales are hard, transparent and sharp structures which protect fish from predators. Scales also help the fish by getting damaged by corals. These are too slippery as the epidermal cells present under the scales secrete mucous which comes out and forms a covering on the scales. Most of the fish have scales. Only few species do not possess it instead they have a thick covering of mucous on their body as a protection.</p> | |