00000nam 2200000zi 4500 9.949325 CaOODSP 20250530143859 m o d f cr mn||||||||| 250320e197904##bccab ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn-bc pn----- x7x7 Fs97-4/1512E-PDF Fs97-4/1512 Beamish, R. J. (Richard James), 1942- author. The distribution and feeding habits of lampreys in the surface waters of the Gulf Islands and in the vicinity of the Fraser River, British Columbia / by R.J. Beamish and J.R. Scarsbrook. Nanaimo, British Columbia : Department of Fisheries and the Environment, Fisheries and Marine Service, Resource Services Branch, Pacific Biological Station, January 1979. ©1979 1 online resource (iv, 353 pages) : illustration, maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Fisheries and Marine Service manuscript report, 0701-7618 ; 1512 Digitized edition from print [produced by Department of Fisheries and Oceans]. Includes bibliographical references (page 22). "River lamprey were found throughout the study area from June to September. No river lamprey were found in May or October. A wide range in lengths were observed up to a maximum of 28 cm. The diet of river lamprey consisted of approximately 90% herring and 10% salmon. During July and August the sex ratio of males and females was almost identical, however, the sex ratio for the total sample was approximately 60% female and 40% male. Lamprey scars were observed on 0.079% of the juvenile salmon and 1.92% of the adult salmon examined. Pacific lamprey were not found in association with river lamprey except in the vicinity of the Fraser River. The report also contains catch data and length frequency measurements for salmon, dogfish, Pacific hake, and pollock"--Abstract, page iii. Includes abstracts in English and French. Lampetra Georgia, Strait of (B.C. and Wash.) Geographical distribution. Pacific lamprey Georgia, Strait of (B.C. and Wash.) Geographical distribution. Lampetra Food Georgia, Strait of (B.C. and Wash.) Pacific lamprey Food Georgia, Strait of (B.C. and Wash.) Fish surveys Georgia, Strait of (B.C. and Wash.) Lampetra Géorgie, Détroit de (C.-B. et Wash.) Distribution géographique. Lamproie du Pacifique Géorgie, Détroit de (C.-B. et Wash.) Distribution géographique. Lampetra Alimentation Géorgie, Détroit de (C.-B. et Wash.) Lamproie du Pacifique Alimentation Géorgie, Détroit de (C.-B. et Wash.) Inventaires ichtyologiques Géorgie, Détroit de (C.-B. et Wash.) Canada. Fisheries and Marine Service, issuing body. Pacific Biological Station (1972- ), issuing body. Manuscript report (Canada. Fisheries and Marine Service) 1512. (CaOODSP)9.924185 PDF 3.42 MB https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-1512-eng.pdf