WAY WAY back when I was in school, one of my classmates had a cousin that did some work on a bridge across the Mississippi. One time he came up and said he would NOT DIVE again. Said he saw a fish (Catfish) large enough he could have swam inside it's mouth.
If you get the chance the series "River Monsters" did a show on large American catfish
It is amazing how large some of the fish are that the host catches
