 The islands are home to the federally endangered clubshell mussel ("Pleurobema clava") and the Northern riffleshell ("Epioblasma torulosa rangiana").They are also home to rare fishes, including the bluebreast darter ("Etheostoma camurum"), and the spotted darter ("Etheostoma maculatum").The area was featured in "Brian Finch's Black Op," the November 3, 2015 episode of "Limitless."