That's certainly a really big redear sunfish. Looks like a female.

Read this

I can't speculate on the actual size of the sunfish because there's too little information, but this link has some interesting commentary in regards to assumptions based for, or against, a particular size assigned to a photographed fish.

Last edited by Bruce Condello; 11/05/10 10:08 PM.
Holding a redear sunfish is like running with scissors.