In this article we will discuss about osmoregulation in various kinds of fishes. According to habitat, fishes can be distinguished as (i) Marine, and (ii) Fresh water. (i) The marine fishes fall into two distinct groups, (a) Those whose osmotic concentration is the same as or slightly above sea water, e.g., hagfish, elasmobranchs, Latimeria etc. This group has no major [...]
In this article we will discuss about:- 1. External Features of Cuttle Fish 2. Locomotion in Cuttle Fish 3. Digestive System 4. Respiratory System 5. Circulatory System 6. Excretory System 7. Nervous System 8. Reproductive System 9. Fertilization and Development. Contents: External Features of Cuttle Fish Locomotion in Cuttle Fish Digestive System of Cuttle Fish Respiratory System of Cuttle Fish [...]
In this article we will discuss about the external structures of scoliodon. This will also help you to draw the structure and diagram of scoliodon. Scoliodon is an elongated spindle-shaped animal. It has a laterally compressed body. A fully developed specimen of this genus attains a length of about 60 cm. Body is divisible into head, trunk and tail. Head [...]