Summary of confirmed presence of Pacific Lamprey (Entosphenus tridentatus) in British Columbia / by Joy Wade, Scott Gilmore and Paul Grant. : Fs97-13/1451E-PDF

"The Pacific Lamprey (Entosphenus tridentatus) is an ancient anadromous species with one of the broadest distributions in the North Pacific, spanning from Hokkaido, Japan, across to Alaska and southward along the North American coast to Baja California, Mexico. Unlike anadromous salmonids, lamprey are frequently overlooked in surveys, leading to substantial data gaps. In the United States, documented declines in abundance and distribution underscore conservation concerns. However, in Canada, information remains limited, creating complications with assessments. To address this, we synthesize distribution data from grey and primary literature, along with museum collections, to refine the known distribution of Pacific Lamprey in Canada. This baseline will support informed conservation efforts and may help prioritize future studies amid ongoing environmental pressures"--Abstract, page v.

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