Kasatkia seigeli Posner & Lavenberg, 1999 .

Sixspot Prickleback. To 14 cm (5.5 in) TL (Eschmeyer and Herald 1983 as Kasatkia sp.). Mendocino County, northern California to Diablo Cove, central California (Eschmeyer and Herald 1983 as Kasatkia sp.). Benthic; depth: 9–26 m (30–85 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Eschmeyer and Herald 1983 as Kasatkia sp.).