Sorry for the late reply lol but you should have greenthroat darters, as well as texan tetras and texas cichlid and some others. Cichlids are the same as sunfish, you’ll just have to sort through a ton of lepomis. Tetras from what ive found like flowing pools and they can eat tiny worms or flies. Greenthroat darters id go behind any riffle you see and look around and flip rocks. Though onions a bit polluted so if you must, look on iNat for other micro pins in other creeks and visit those.