Question

List five characteristic features of fishes.

Answer 1

1. Fishes are poikilothermic, whose internal temperature varies, considerably.
2. The body has a covering of scales.
3. Body muscles are arranged into segments called myotomes.
4. The body is differentiated into head, trunk and tail.
5. Respiration is done by 5 to7 pairs of gills, which are covered by an operculum or sometimes maybe naked.