There are both Sea and Freshwater Catfish species.
Named for the "whiskers"
Freshwater Catfish is farmed in many parts of the world including Asia, North and South America, Europe and Africa.
It has a firm texture and mild taste, which often requires strong accompanying flavours.
Catfish are of considerable commercial importance as many of the larger species are farmed or fished for food. Many of the smaller species are important in the aquarium hobby.