don't beat yourself up too bad it happens,

m.t.'s right nothing you can do about it. I have seen fish hit by turbens off some of the power dams here that have been caught with nicks on there heads. They lived to bite again. Also claw marks from birds of prey as well as big chunks out of their backs from turtles so who knows? The at fish could of made it alright as some are tougher than most think as long as it was returned quickly and the air bladder didn't expand. Good luck and keep on fishing.