The speckled darter (Etheostoma stigmaeum) is a species of darter endemic to the central and southeastern United States. It occurs in the Mississippi River basin and through the Gulf Coast drainages. It is also found in the Clinch River and the Powell River. This species inhabits rocky or sandy pools in flowing waters up to the size of medium rivers with fast currents. It can reach a length of 6.1 centimetres (2.4 in) TL though most only...