Tadpole Madtom (Noturus gyrinus)

Tadpole Madtom (Noturus gyrinus). Clam River (tributary of St. Croix River), Burnett County, WI. Captured in dip-net. Aug. 1, 2015. (Photo cleaned and variously messed-with in Photoshop just for fun, because starting with an out of focus image removes all the usual constraints.)