Scoliodon is an Indo-Pacific species which belongs to the family Ceacharrhinidae under order Carcharhiniformes of Class Elasmmobranchii. It has an elongated and spindle-shaped body which tappers at the end. The head is dorso-ventrally compressed with laterally compressed trunk and tail. The mouth is situated on the ventral side and the entire body is covered by … Read more
Significant parameters of intensive study of fish biology are observation of growth. It provides ideas about the health of single fish and the population. The growth of an organism can be defined by changes in body size over time. Since the age and growth of the fish are closely related, the age and growth rate … Read more
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
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
The term “fisheries” is widely used. Fisheries generally refer to the cultivation and breeding of edible and marketable fish. However, in the broadest sense, it also includes the exploitation of many other aquatic animals besides fish. The prudent exploitation of fish, shrimps, crabs, and various types of mollusks such as oysters, dolphins, and whales for … Read more
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