Fish is a cold-blooded aquatic vertebrate organism which makes the most diverse and largest taxonomic group. It contains the following four taxonomic classes: Myxini Cephalaspidomorphi Elasmobranchiomorphi, and Osteichthyes. Cephalaspidomorphi (Hagfishes and Lampreys) The class Cephalaspidomorphi is named after the Greek word kephale = head + aspidos = blade or shield + morphe = form. This … Read more
Fish binder is a type of ingredient used in making fish feed. It enhances the taste of food, prolongs the storage period and increases the high water retention capacity in food. It also prevents food wastage and increases food intolerance efficiency. It provides high strength capacity for pellet feeds. It also helps to keep the … Read more
The blood circulatory system of fish is of closed type. Blood circulates in the body from being confined to specific ducts. Like other bony fish, the carbon dioxide-rich blood is collected through veins from the various body parts of the Rohu fish (Labeo) and first accumulates in the heart. This blood then enters the gills … Read more
Many fish have special organs that can generate electricity. Electrical organs in fishes are advanced and specialized structures that enable the carrier to generate, store, and release electricity. Only fish has the ability to generate this electricity in the animal kingdom. About 250 species of cartilaginous and bony fish can generate this electricity. This organ … Read more
The nutritional value of food depends not only on its chemical composition but also on the amount of nutrients or energy. Digestion is the fraction of nutrients or energy in swallowed food that is not excreted in the feces. Digestibility determines the amount of digestion and the relative measure of how much food and nutrients … Read more
The nervous system of Rohu fish (Labeo rohita) is divided into the following three parts: A. Central nervous system B. Peripheral nervous system and C. Autonomic nervous system. A. Central Nervous System The central nervous system is made up of the brain and spinal cord. The brain of the Rohu fish is divided into three … Read more