The southern brook lamprey is currently listed as a species of "least concern" in the United States by CN Red List.Oldsberg, R. 2011. Ichthyomyzon gagei. http://animaldiversity.ummz.umich.edu/accounts/Ichthyomyzon_gagei/ 18 November 2012. It has also not been given any status regarding endangerment by the US Federal List or CITES. Currently there are no conservation plans in action specific to the lamprey, nor laws or protected waterways aimed at conservation. No evidence of biological factors has been found that would contribute to a decline in the abundance or the range of the creature; in fact, the biggest threat to the lamprey and closely related species is human-induced alteration of suitable microhabitats. Habitat preservation and rehabilitation of affected microhabitats are essential. Microhabitats used by the southern brook lamprey during all life stages must have a certain water temperature, substrate composition, and water quality to ensure successful habitation and spawning in these areas.
