In this article we will discuss about Rohu:- 1. Systematic Position of Rohu 2. Habit and Habitat of Rohu 3. Geographical Distribution of Rohu 4. External Structures of Rohu 5. Skeletal Structures of Rohu 6. Coelom of Rohu 7. Digestive System of Rohu 8. Hydrostatic Organ of Rohu 9. Respiratory System of Rohu 10. Circulatory System of Rohu 11. Venous [...]
The following poionts highlight the top thirteen types of fish. The types are: 1. Cetorhinus (Family Lamnidae) 2. Pristis (Family Pristidae) 3. Sphyrna (Family Sphyrnidae) 4. Polypterus (Bichir) (Family Polypteridae) 5. Acipenser (Family Acipenseridae) 6. Amia (Family Amiidae) 7. Lepisosteus (Family Lepidosteidae) 8. Exocoetus (Family Exocoetidae) 9. Echeneis (Family Echeneidae) 10. Lophius (Family Lophiidae) and Others. Type # 1. Cetorhinus [...]
In this article we will discuss about the classification of fishes. Class (1) Pterichthyes (Devonian) (Antiarchi): The members of this class lived in the Devonian period. They are fresh water forms and the fossils that are well-preserved reveal certain internal structures. (i) The head and the thoracic regions are provided with strong bony plates. (ii) The arrangement of the bony [...]