Meaning of "Channel catfish"

channel catfish

channel catfish

n.
An edible freshwater catfish (Ictalurus punctatus) from North America, with lateral spots and long barbels. It is also called cat channel .

chan′nel cat′fish

chan'nel cat'fish

n n.
a freshwater fish from the central EE. UU., Ictalurus punctatus. Also called chan'nel cat`.
[1830-40, Amer.