The oval pig toe is a small freshwater mussel that can reach a length of 2.4 inches (six centimeters). This species has a flattened
oval-shaped shell that is a yellowish-brown on the outer section with a white or salmon (yellowish-pink) inner section.It also has two
large teeth in the left and right valve (Florida Natural Areas Inventory 2001, University of Georgia 2008). Little is known about the
life history of the oval big toe. Reproductive females have been found between the months of March and July when water temperatures
are 55.4-77.0°F (13-25°C) (NatureServe 2010).