Why do they call it a catfish?

They’d keep them in vats in the ship. By the time the codfish reached China, the flesh was mush and tasteless. So this guy came up with the idea that if you put these cods in these big vats, put some catfish in with them and the catfish will keep the cod agile. And there are those people who are catfish in life. And they keep you on your toes. read more

If you talking about the actual fish, Catfish then they call it that because it has long antenna like whiskers that it uses to help it detect things and search for food. And the happen to resemble a cats long whiskers plus their fins are razor sharp like claws sort of which further adds to the over all cat like traits. read more