Digestion of Food in Fishes

Digestion is a physiological process by which ingested food is broken down into simple, small and absorbable molecules with the help of enzymes. These enzymes are secreted from the pharynx, stomach, pyloric Caeca, intestinal mucosa and pancreas into the esophageal cavity. Digestive Juice and Enzyme Digestive juices and enzymes are part of the stomach and … Read more

Fish Feed: Natural, Artificial and Commercial

  Like other animals, fish need food to grow and survive. Fish food is the food that is consumed which results in growth, energy production and reproduction of the fish. Food plays an important role in fish breeding. Eating a balanced diet accelerates the growth of the fish and the fish reach sexual maturity in … Read more

Endocrine System of Fishes

The endocrine system consists of a number of glands called endocrine glands which are spread over different areas of the fish body. The endocrine glands usually control the long-term activity of the target organ and control various physiological processes such as digestion, metabolism, growth, development, reproduction, etc. Animals have two types of glands called exocrine … Read more

Parental Care of Amphibia

There are about 8100 known living amphibians, of which nearly 90% are frogs. Amphibians first appeared about 340 MYA (million Years Ago) ago during the Middle Mississippian Epoch of the Paleozoic Era.  Frog, newts, toads, caecilians, salamanders are the modern amphibians which have various characteristic features. Parental Care of Amphibia Parental care is one type … Read more

Muscular Tissue: Properties, Types, Structure and Functions

The tissue which are responsible for locomotion and for the movement of the different body parts is called muscular tissue. The muscle cells are often called muscle fibres due to elongated shapes of the cells. Muscle tissue is a specialized tissue which composed of fibres of muscle cells. They control the movements of an organisms … Read more

Fish Feed Additives

Fish feed Additives are those materials which are used as small quantity in the fish feed during feed preparation to increase feed attraction, palatable to the species under culture system and to prevent disease, and microbial activities and to enhance the horse power efficiency of feed. Additives is being used in animal feedstuff including- Synthetic … Read more