robustus, Tongaichthys Nakamura [I.] & Fujii [E.] 1983:174, Figs. 2-12 [Publications of the Seto Marine Biological Laboratory v. 27 (no. 4/6) (art. 10); ref. 5409] Tonga Ridge, southern Pacific, 22°10.8'S, 175°23.6'W, depth 312-288 meters. Holotype: NSMT-P 19758. Paratypes: ?AMS I.22523-001 and 002 (1, 1); FAKU S2311-12 (1, 1), ?S2314 (1), 2318-19 (1, 1), ?52317 (1), ?52320-22 (3); USNM 227336 (2); ZUMT 54254-56 (3). •Valid as Tongaichthys robustus Nakamura & Fujii 1983 -- (Nakamura & Parin 1993:59 [ref. 21769], Nakamura & Parin 2001:3708 [ref. 26304], Randall et al. 2004:31 [ref. 27624], Bray & Hoese 2006:1760 [ref. 29049]). Current status: Valid as Tongaichthys robustus Nakamura & Fujii 1983. Gempylidae. Distribution: Southwestern Pacific. Habitat: marine.