Labeo rohita, commonly known as the Rohu or Rui, is a freshwater fish species belonging to the family Cyprinidae. It is native to the Indian subcontinent and is widely distributed in rivers, lakes, and reservoirs throughout the region. Rohu is an economically important fish species and is extensively cultured for both food and sport fishing.
Labeo rohita is a freshwater fish and it is found in rivers, lakes, streams, ponds, canals, etc. It is a herbivorous fish. It feeds phytoplankton, algae, and aquatic plants. Rohu typically exhibits schooling behavior. It typically spawns eggs during the monsoon season when water levels rise and temperatures are favorable.
External Morphology of Labeo rohita / Rohu
The body of Rohu is divided into three regions and they are the head, trunk, and tail. The mouth, eyes, nostrils, gills, operculum, snout, and barbles are present on the head. The trunk is the largest part and middle part of the body. It bears dorsal, pectoral, pelvic, and anal fins. It also bears the urinary, genital, and anal apertures. The tail is the posteriormost part of the body and it bears the caudal fin.
Digestive System of Labeo rohita | Rohu
The digestive system of Rohu is complete because it starts from the mouth and ends at the anus. The digestive system is divided into two parts and they are the alimentary canal and digestive glands. The alimentary canal starts from the mouth and ends at the anus. Rohu lacks a true stomach and the intestinal bulb works as the stomach. The liver and pancreas are the primary digestive glands.
Urinogenital System of Labeo rohita | Rohu
The urinogenital system is a system of vertebrates that is concerned with the urinary(excretory) and reproductive systems. The urinogenital system is divided into the excretory system and the reproductive system. The excretory system contains two mesonephric kidneys. The male reproductive system contains two testes and the female reproductive system contains two ovaries.
Respiratory System of Labeo rohita or Rohu
Labeo does not have lungs. They respire with the help of their gills. The respiratory system of Rohu consists of the respiratory tract and the respiratory organs. The respiratory tract consists of the mouth, buccal cavity, pharynx, and gill chamber. The respiratory organs of the Rohu are the gills.Labeo respires with four pairs of gills.
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