The swim-bladder in fishes and the lungs of tetrapods are closely similar in structure and development. Both these structures are intimately associated with the gut. The lungs of higher vertebrates arise exactly the same way as that of the swim-bladder in fishes. Both develop as outgrowths from the gullet and the glottis occupies exactly the same position. But the exact [...]
The upcoming discussion will update you about the difference between protopterus, lepidosiren and neoceratodus. Difference # Protopterus: 1. Distribution: Tropical Africa. 2. Habitat: Inhabits the river and large lakes. It aestivates when the river becomes completely dried up in summer. 3. Feeding habit: Carnivorous and eats the worms, crustaceans, insects, frogs and many other animals. It also feeds on its [...]
In this article we will discuss about Latimeria:- 1. History of Discovery of Latimeria 2. Fossils of Latimeria from India 3. External Structures 4. Skeletal Structures 5. Digestive System 6. Swim-Bladder 7. Respiratory System 8. Circulatory System 9. Nervous System 10. Urinogenital System 11. Zoological Importance. Contents: History of Discovery of Latimeria Fossils of Latimeria from India External Structures of [...]