Basic information of catfish with black tail and near red tail

Black-tailed catfish is the common name of black-tailed catfish, also known as black-tailed mink and so on. It belongs to CYPRINIDAE, Silurus and Silurus, and is an economic fish in the Yangtze River. Black-tailed catfish is one of the species in national catfish farms.

The lower jaw is slightly longer than the upper jaw. The eyes are smaller and the kiss is longer than the diameter of the eyes. Sideline scale 65 ~ 70. The starting point of dorsal fin is closer to the snout than to the base of caudal fin. The end of the pectoral fin reaches or exceeds other parts of the pelvic fin. Gluteal fin strips 3, 23 ~ 28. Ocean fish, staple fish. The individual is not big, and the common body length is150 ~ 300 mm. It belongs to protective fish and is distributed in the upper reaches of the Yangtze River.