Long, streamlined, sharklike body; long bony snout; rows of sharp, bony, armored plates (scutes). The sucker-type mouth is located under the long bony snout. Lake sturgeon have short, rounded snouts compared to those of our other sturgeon species. Also, the four barbels dangling from in front of the mouth on a lake sturgeon are smooth and not fringed or serrated. Young lake sturgeon are mottled light and dark brown. Adults are solid dark brown or slate-colored with white belly.