Invasion

Invasion Description

1st Record: CA/Elkhorn Slough-Monterey Bay (1880, Smith 1896; Center for Aquatic Resource Studies 2009)

Geographic Extent

CA/Elkhorn Slough-Monterey Bay (1880, Smith 1896; USGS Nonindigenous Aquatic Species Programs 2009); CA/Santa Cruz/Pacific Ocean (1890); Present as a non-breeding migrant (Yoklavich et al. 1991; USGS Nonindigenous Aquatic Species Programs 2003, but occurring regularly); CA/Pajaro River, Salinas River( (occcasional captures of adults and juveniles, no evidence of spawning, Boughton 2020).