Pentaceros wheeleri (Hardy, 1983). North Pacific Armorhead or Pelagic Armorhead. To 53 cm (21 in) TL (Hart 1973). Japan to Hawai’i (Hardy 1983), and Gulf of Alaska as far west as south of eastern Aleutian Islands (Mecklenburg et al. 2002), and as far north as Resurrection Bay (Catherine W. Mecklenburg, unpubl. data), to central California (Eschmeyer and Herald 1983). Reported in error from Bering Sea (see discussion in Mecklenburg et al. (2002:658–659)). Pelagic and benthic; depth: surface to 1,060 m (3,478 ft) (Parin and Pakhorukov 2003). Includes North Pacific records of Pentaceros richardsoni Smith, 1844, and Pseudopentaceros richardsoni (Smith, 1844). see synonymy in Humphreys et al. (1989). Previously reported from the Indian Ocean, but those records represent a different species; pelagic and benthic records of P. wheeleri were mapped by Boehlert and Sasaki (1988).