Management Plans

Management Plan for the Northern Brook Lamprey (Ichthyomyzon fossor) in Canada (Great Lakes – Upper St. Lawrence populations)

The Northern Brook Lamprey is a freshwater fish from the family Petromyzontidae. It belongs to one of the two surviving groups of the jawless (agnathan) stage in vertebrate evolution. The non-parasitic Northern Brook Lamprey is considered a smaller-sized relative of the parasitic Silver Lamprey. There is a growing body of evidence, based principally on recent genetic studies, that both species lack genetic divergence and might possibly be considered ecotypes of a single species presenting divergent feeding types. Presently, the two species are being considered separately.

Consultation period: 2016-08-18 to 2016-10-17


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Contact Person(s)

SARA Directorate
Department of Fisheries and Oceans
200 Kent St.
Ottawa, ON
K1A 0E6
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Related Species


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