Food is the essential components of life for every living thing in the living world. Every living thing, regardless of plant or animal, takes food from its own environment. So the nutrition of any animal depends on the intake of food and water. Animals consume food for three main purposes, namely: (1) Food provides energy … Read more
Rohu fish (Labeo rohita) breathe with the help of gills. The branchial chambers on either side of the pharynx contain a total of four pairs of gills. The branchial chambers with gills are covered with operculum. The posterior end of the operculum has a branchiostegal membrane. As the membrane rises and falls, the operculum can … Read more
As a result of evolution, fish has gained structural adaptation to take food in different conditions due to the diversity of fish diet. Fish take food from the natural environment. Different types of fish eat different types of food so their food list is much larger. The way and method of taking food depends on … Read more
Hormones are secreted from the ductless glands, which are considered to be the regulators and stimulants of all the biological functions of the animal body. These ductless glands are called endocrine glands and the system consisting of glands is called endocrine system. Endocrine gland acts on target organ and controls their various physiological activities such … Read more
The goldfish is a single-tailed, type of freshwater fish that has the scientific name Carassius auratus. It is also known as the Common Goldfish or just simply Goldfish. They are found in habitats all over the world, including North America, South America, Europe, Australia and Asia. They are most commonly found in Japan. Goldfish are … Read more
Teleost is a diverse group of ray-finned fishes which belongs to largest infraclass Teleostei under the class Actinopterygii. The group teleost includes 40 orders and 448 families with over 26000 species. They are the most advanced fish among the bony fishes. The world`s important sport and commercial fishes include this group. The length of the … Read more