I think there is a difference in the fins between the channel cat and blue cat. The blue cat gets huge compaired to the channel cat. Do a google search for record sizes. this is the first site I found http://home.earthlink.net/~catfish_billy/id15.html
You should be asking what catfish can I put in my pond that will not eat the bass.
You should be asking what catfish can I put in my pond that will not eat the bass.