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 Scomber japonicus Houttuyn, 1782 . Chub Mackerel, Pacific Chub Mackerel , or Pacific Mackerel. To nearly 63.5 cm ( 25 in ) TL ( Fitch 1956 ). Western Pacific Ocean north to Japan ( Collette and Nauen 1983 ), southern Kuril Islands ( Savinykh 1998 ), and south-eastern Kamchatka ( Sheiko and Fedorov 2000 ); western Gulf of Alaska (Mecklenburg et al. 2002) to Gulf of California ( Castro Hernández and Santana Ortega 2000 ) to Chile ( Robertson and Allen 2015 ), including Islas Galápagos ( Collette and Nauen 1983 ). Coastal pelagic to epipelagic or mesopelagic over continental slope; depth: surface (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to about 300 m ( 984 ft ) ( Collette and Nauen 1983 ); sometimes near shore in surf ( Love et al. 2005 ). Previously treated as conspecific with Scomber colias Gmelin, 1789 , of the Atlantic ( Collette 1999 , 2003 ).