Plagiogrammus hopkinsii Bean, 1894 .

Crisscross Prickleback. To 19.7 cm (7.8 in) TL (Miller and Lea 1972). Pacific Grove, central California (Miller and Lea 1972) to San Nicolas Island (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), San Miguel Island (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), and Santa Cruz Island (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), southern California. Benthic; depth: intertidal to 21 m (70 ft) (Miller and Lea 1972).