Alectridium aurantiacum Gilbert & Burke, 1912. Lesser Prickleback. To 10.2 cm (4 in) SL (Balanov et al. 1999). Kuril Islands, Commander Islands, and Aleutian Islands (Balanov et al. 1999). Benthic; depth: lower intertidal and shallow subtidal to 56 m (184 ft) (min.: Peden 1967; max.: Sheiko and Fedorov 2000).