BamaBum--A bear is pretty much like a hog in one sense--they'll eat most anything (well, a hog won't eat a cucumber, but that's it in my experience). That being said, I'm sure bears scarf up any dead fish they find, but I doubt if they "fish" for them the way grizzlies do with salmon. It wouldn't be energy efficient.
As to your question, the answer is a qualified yes. Many years ago I saw a bear chase off a bunch of campers at the Bryson Place and then eat, with considerable relish, their dinner of fried fish and all the fixin's.