The difference between the river groupers and catfish: family difference, head difference, tail difference, color difference, alias difference.

Family differences

Jiangtuan fish

Jiangtuan fish belongs to the family Luridae.

Catfish

Catfish belongs to the catfish family.

The difference in the head

The head of the fish is round and bulbous.

Catfish

The head of catfish is flatter.

Third, the difference between the tails

Jiangtuan fish

Jiangtuan fish's tails are forked at the top.

Catfish

The catfish's tail is fan-shaped and not forked.

Fourth, the color difference

Jiangtuan fish

Jiangtuan's body as a whole look pinkish red, the back is slightly darker, close to grey, the abdomen is relatively lighter, the fins are grayish yellow.

Catfish

Catfish are darker, blackish brown or grayish black.

Fifth, the difference between the aliases

Jiangtuan fish

Jiangtuan aliases are "catfish", "fat kingfish" and so on.

Catfish

Catfish aliases are "sticky fish", "catfish" and so on.