Red catfish is a variant of the common black catfish, after a long period of improvement and breeding. In addition to the color is basically no difference.

Long-kissed shad (Leiocassis longirostris) belongs to the catfish order, the family of fish, shad genus, also known as catfish. Different places, catfish have different names, Shanghai said "catfish mouse", Sichuan name "river group", Guizhou is called "Xi fish". Long-kissed shad body long, conical kiss, forward significantly protruding. The mouth is inferior, crescent-shaped, with plump lips and small eyes. The eyes are small. The whiskers are 4 pairs and small. No scales, dorsal and pectoral spines with serrated posterior margins, fat adipose fins, and y forked caudal fin. Body color pink, slightly grayish on the back, white on the abdomen, fins are gray-black.