crassispinus, Hoplostethus Kotlyar [A. N.] 1980:1055, Fig. 1 [Zoologicheskii Zhurnal v. 59 (no. 7) (for July 1980); ref. 8705] Northeastern Pacific, Emperor Seamount Chain [northern Hawaiian Ridge]. Holotype: ZIN 45096. Paratypes: ZIN 45097 (1), 45098 (1); ZMMU P-15176 (1). Type catalog: Vasil'eva et al. 2001:74-75 [ref. 25714]. •Valid as Hoplostethus crassispinus Kotlyar 1980 -- (Yamakawa in Okamura et al. 1982:207, 366 [ref. 8256], Yamakawa in Masuda et al. 1984:109 [ref. 6441], Yamakawa in Okamura et al. 1985:439, 653 [ref. 8056], Kotlyar 1986:127 [ref. 6004], Kotlyar 1996:152 [ref. 23292], Konishi 1999:58 [ref. 24259], Moore & Paxton 1999:2217 [ref. 24787], Nakabo 2000:501 [ref. 25086], Paxton & Moore in Randall & Lim 2000:601 [ref. 25122], Shinohara et al. 2001:311 [ref. 25995], Nakabo 2002:501 [ref. 26001], Mundy & Parrish 2004:412 [ref. 27877], Shinohara et al. 2005:422 [ref. 28370], Mundy 2005:305 [ref. 28379], Moore & Dodd 2010:138 [ref. 30876], Kotlyar 2011:484 [ref. 32455], Roberts & Gomon 2012:341 [ref. 32372], Kim et al. 2021:100 [ref. 39117], Su et al. 2023:96 [ref. 40400]). Current status: Valid as Hoplostethus crassispinus Kotlyar 1980. Trachichthyidae. Distribution: North Pacific Ocean: Kyushu-Palau Ridge, northern Hawaiian Ridge, probably in the South China Sea. IUCN (2020): Least Concern. Habitat: marine.