This species may be a non-migratory form of the river lamprey (L. ayresii
). If they are the same species, the brook lamprey has taxonomic priority.
Source: Information provided by Don McPhail for E-Fauna BC.
North America: Pacific slope from McDonald Lake, southeastern Alaska to Umpqua River drainage in Oregon, USA.
. Page, L.M. and B.M. Burr. 1991. A field guide to freshwater fishes of North America north of Mexico
. Houghton Mifflin Company, Boston.