Checklist of marine and estuarine fishes from the Alaska-Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico Author Love, Milton S. 0000-0003-0981-0061 love@lifesci.ucsb.edu Author Bizzarro, Joseph J. 0000-0002-2412-9357 joe.bizzarro@noaa.gov Author Cornthwaite, Maria 0000-0002-1528-3272 maria.cornthwaite@dfo-mpo.gc.ca Author Frable, Benjamin W. 0000-0003-4525-0671 bfrable@ucsd.edu Author Maslenikov, Katherine P. 0000-0003-0981-0061 love@lifesci.ucsb.edu text Zootaxa 2021 2021-10-19 5053 1 1 285 journal article 2792 10.11646/zootaxa.5053.1.1 75ffcff3-6336-4f6a-8d0b-94c082519099 1175-5326 5578008 295D03A4-589A-4E3F-B030-5121EF7D7398 Lampetra ayresii (Günther, 1870) . Western River Lamprey . To 34.6 cm ( 13.6 in ) TL ( Morgan et al. 2018 ). Tee Harbor, south-eastern Alaska ( Scott and Crossman 1973 ) to San Francisco Bay, northern California ( Vladykov and Follett 1958 ). Anadromous, found in estuaries and coastal marine waters for a few months in summer; depth: at sea, perhaps to 119 m ( 390 ft ) (DFO) (taken in a midwater trawl; Maria Cornthwaite).