Yep...definitely a bullhead, Buz.

Channel cats have forked tails, while the end of a bullhead's tail is straight (like in your pic).

I would definitely take the bullheads out. They are probably contributing (at least somewhat) to your lack of water clarity.

"Only after sorrow's hand has bowed your head will life become truly real to you; then you will acquire the noble spirituality which intensifies the reality of life. I go to an all-powerful God. Beyond that I have no knowledge--no fear--only faith."