In this article we will discuss about the dissection and structures of different types of fishes. 1. Placoid Scale of Shark: Placoid scales are found in elasmobranchs. Preparation: Cut a small piece of skin from the dorsal surface of a shark (Scoliodon). Put it in a hard glass test tube containing 5 to 10% KOH solution. Boil with constant stirring [...]
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 [...]