esox, Chaenichthys Günther [A.] 1861:89 [4] [Annals and Magazine of Natural History (Series 3) v. 7 (no. 38) (art. 12); ref. 1966] Port Famine, Strait of Magellan. Holotype (unique): BMNH 1857.6.13.97 (stuffed). On p. 4 of separate. •Valid as Champsocephalus esox (Günther 1861) -- (Nakamura in Nakamura et al. 1986:260 [ref. 14235], Pequeño 1989:65 [ref. 14125], Iwami & Kock 1990:384 [ref. 21699], Lloris & Rucabado 1991:130 [ref. 22530], Miller 1993:393 [ref. 21297], López et al. 1996:54 [ref. 23681], Eastman & Eakin 2000:17 [ref. 24631], Voskoboinikova 2000:328 [ref. 25153], Balushkin 2000:S98 [ref. 29555], Nión et al. 2016:51 [ref. 35565], Eastman & Eakin 2021:[5] [ref. 38307], Kim et al. 2021:202 [ref. 39117]). Current status: Valid as Champsocephalus esox (Günther 1861). Channichthyidae. Distribution: Southern Ocean. Habitat: marine.