European eel
The "Franconian Saale" is a habitat for the European eel, Chub, Ide, Grayling, Brown trout, Stone Loach, Barbel Bitterling, Bream, Minnow, Perch, Gudgeon, Dace, Pike, Ruffe, Bullhead, Nase, Roach, Rudd, Burbot and Carp, as well as the occasional Signal crayfish.