Respiratory System of Labeo rohita

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

Skeletal System of Labeo rohita

Labeo rohita (Rohu Fish) is a Actinopterygian fish (=Osteichthyes)  which belongs to the family Cyprinidae under order Cypriniformes. It is a popular sports and food fish due to its high commercial value. The epidermis is located on the outside of the skin of the Rohu fish and the dermis is located on the inside. The … Read more

Blood Vascular System of Labeo Rohita

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

Best Goldfish Tank: Review and Buying Guide 2021

Goldfish is one of the attractive and most popular aquarium fish among the pet fish keepers in the aquarium industry due to their various golden colors. It requires large planted tank with lots of space to thrive. It belongs to the Cyprinidae family under order Cypriniformes of Class Actinopterygii. It is a direct descendant from … Read more

Nervous Tissue

Nervous tissue is also known as neural tissue. It is the prime component of nervous system which controls and regulates activity and bodily functions. It is composed of two parts: (1) Central Nervous System or CNS and (2) Peripheral Nervous System or PNS. In this case, CNS comprises the spinal cord and brain while PNS … Read more

Adaptive Radiation of Amphibia

We cannot imagine the existence of any organism without the environment. Organisms have to live in the environment, interact with the various beings in the environment, engage in interactions and survive by building inseparable relationships. Even the slightest change in an element of the environment requires the organism to adapt to the changed context. That … Read more