| The general coloration of the snail darter is brown to brownish-gray with a trace of green above and mostly white below. |
| Snorkelers observed only one benthic fish, a darter, in a smallmouth bass nest in Lake Opeongo. |
| The only species present in Clyde Creek were blacknose shiner, Iowa darter, central mudminnow, and pearl dace. |
| The four listed fish are the spotfin chub, yellowfin madtom, smoky madtom, and duskytail darter. |
| Threats to the three darter species are mounting due to increased sedimentation of the watershed caused by urbanization. |
| The darter, found most often in the thin streams flowing throughout the training area, is a small 2-inch long fish that eats insect larvae. |
