NatureServe Conservation Status
Rounded Global Status Rank: G5 - Secure
Reasons: This species is found throughout the Tennessee, Cumberland, and Ohio River basins, the upper Mississippi River, and the St. Lawrence River system from Lake Huron to Lake Ontario including their tributaries and is considered stable in much of its range but is declining significantly in Canada.
Intrinsic Vulnerability: Unknown
Environmental Specificity: Narrow. Specialist or community with key requirements common.
Comments: This species lives in riffles along the edges of emerging vegetation, such as Justicia beds, in gravel and sand in moderate to strong current. It becomes most numerous in clean, well-oxygenated stretches at depths of less than three feet (Parmalee and Bogan, 1998).