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
There are currently 157 species and 13 genera of tetra fish, many of which vary in patterns and coloration. The neon tetra (Paracheirodon innesi) is an awesome freshwater fish which is placed in the family Characidae under order Characiformes. Native to South America, they were introduced to the United States from the Amazon River basin … 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
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
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 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