In fact, everyone collectively called catfish there are two kinds of catfish, fork-tailed catfish and river group.

The market known as catfish is mainly spotted catfish. The difference between the two is still very big. River group is very expensive.

Difference between a classification: the Yangtze catfish, also known as the river group, fat fish, long-nosed shad, belonging to the catfish, Fusidae, Shad; spotted fork-tailed catfish, also known as the fork-tailed catfish, ditch catfish, pincer fish, belonging to the catfish, catfish family fish;

Second, the place of origin of the Yangtze catfish is distributed in the eastern part of China's Liaohe River, Huaihe River, Yangtze River, the Minjiang River to the Pearl River and other waterways and the western part of North Korea, the Yangtze River system, the main is the native native fish. The Spotted catfish native to North America, catfish since 1985 from the United States introduced the original species for domestication, China began large-scale breeding. The two do have some like, but the Yangtze catfish is native fish, fork-tailed catfish is the introduction of fish species.

Three, appearance a catfish mouth in the jaws of the Yangtze River catfish have seen the shark's mouth on the understanding of the) spotted catfish mouth in the body of the forefront, the two are completely different. b, the fork-tailed catfish body black spots, the Yangtze River catfish did not. c, the fork-tailed catfish has two long whiskers, the Yangtze River catfish did not. d, the fork-tailed catfish tail has a very obvious fork, like a carp, and the Yangtze River catfish tail is flat.

Fork-tailed catfish

Jiangtuan