Catfish? Squid? Mystus？ fish

What is the picture below? Big fin carp? Commonly known as White-bearded loach, oxtail, water rat

The average individual weighs about 0. 1 kg, and the largest individual can reach 3 kg. The meat is tender and delicious, which has certain economic value. Length, flat head. There are 4 pairs of tentacles, which are very long, and the end of maxillary tentacles exceeds the starting point of dorsal fin. The body is scaleless. Smooth fin penetration: pectoral fin penetration is developed, the front edge is rough, and the rear edge is serrated.

Species endemic to China. Distributed in the Pearl River, Xiangjiang River, Ganjiang River and Yangtze River systems, it belongs to medium-sized benthic fish. It mainly inhabits rivers, rapids and gravel water bodies. The pattern of this species originated from the Yangtze River.