Adults are commonly 12 to 20 inches long and weigh one to five pounds. Duskystripe Shiner Notropis pilsbryi Minnow family. The duskystripe shiner is one of several species of Ozark minnows that spawn over the gravel nests of its relative, the hornyhead chub. This school of brightly colored duskystripe shiners were photographed over a chub nest in Big Sugar Creek, McDonald County. Chestnut Lamprey Ichthyomyzon castaneus Lamprey family.
Lampreys are primitive, jawless fishes, lack paired fins, and have seven porelike gill openings.
The chestnut lamprey is the most abundant and widely distributed of the six species in Missouri. During the parasitic stage, lampreys are most often seen attached to fish during spring in large reservoirs. Adults reach a length of 10 to 12 inches. Shovelnose Sturgeon Scaphirhynchus platorynchus Sturgeon family. The shovelnose feeds entirely from the bottom, using its highly protrusible mouth to suck up its food, which consists of aquatic insects.