Adult Biology of the River Lamprey ( Lampetra ayresi) and the Pacific Lamprey ( Lampetra tridentate) from the Pacific Coast of Canada

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Author: Beamish, Richard J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1980
• Subjects: Pink salmon
• Online Access: http://dx.doi.org/10.1139/f80-232; http://www.nrcresearchpress.com/doi/pdf/10.1139/f80-232

River lamprey (Lampetra ayresi) metamorphose in late July with downstream migration occurring in the following year from May to July. Once adults enter salt water they begin to feed immediately by consuming chunks of flesh primarily from herring and young salmon. From June until September they incre...