Largemouth, witnessed by me, (good one too!) and a muskie reported from the bank in the spring were both firsts for me this year.
Read somewhere that decades ago, sauger frequented Catfish as a spawning trib.
Cats, carp, smallouth, rainbows, salmon, suckers, chub, shad, hordae, dace, that's about all I can think that I've caught there. Cats, carp and the little guys are your most common catches and the only thing really worth pursuing, except for some rainbows from time to time.
If you hit the upper regions surrounded by farmland, you may see the elusive Turd Fish swim by in massive schools, as it seems that cattle wading into the creek have an uncanny ability to put these fish on the move...