tristis, Scopelengys Alcock [A. W.] 1890:303 [Annals and Magazine of Natural History (Series 6) v. 6 (no. 34); ref. 83] Off Elicapeni Bank, Laccadive Sea, 11°12'47"N, 74°25'30"E, Investigator station 104, depth 1000 fathoms. Holotype (unique): ZSI F12873. Type catalog: Menon & Yazdani 1968:104 [ref. 20743], Menon & Rama-Rao 1975:35 [ref. 22148]. Figured in Alcock 1892: Pl. 7 (fig. 7) [ref. 20531]. •Valid as Scopelengys tristis Alcock 1890 -- (Nielsen 1973:170 [ref. 6885], Butler & Ahlstrom 1976:143 [ref. 7374], Nafpaktitis 1977:4 [ref. 23677], Fujii in Uyeno et al. 1983:188 [ref. 14275], Hulley in Whitehead et al. 1984:428 [ref. 13675], Fujii in Masuda et al. 1984:75 [ref. 6441], Hulley 1986:322 [ref. 5672], Pequeño 1989:38 [ref. 14125], Hulley 1990:469 [ref. 15273], Becker & Shcherbachev 1990:845 [ref. 20119], Balanov & Fedorov 1996:345 [ref. 24646], Paxton & Hulley 1999:1956 [ref. 24748], Nakabo 2000:377 [ref. 25086], Paxton & Hulley in Randall & Lim 2000:593 [ref. 25122], Sheiko & Fedorov 2000:22 [ref. 25650], Chen 2002:110 [ref. 26587], Mecklenburg et al. 2002:243 [ref. 25968], Nakabo 2002:377 [ref. 26001], Hartel & Craddock 2003:943 [ref. 27005], Menezes et al. in Menezes et al. 2003:52 [ref. 27192], Love et al. 2005:43 [ref. 37547], Castellanos-Galindo et al. 2006:254 [ref. 28944], Parin et al. 2014:154 [ref. 33547], Robertson et al. 2017:50 [ref. 35676], Burton & Lea 2019:99 [ref. 37205], Carneiro et al. 2019:113 [ref. 37250], Balushkin & Prirodina 2020:36 [ref. 37828], Sutton et al. 2020:156 [ref. 37832], Love et al. 2021:65 [ref. 39279], Eduardo et al. 2022:7 [ref. 39574], Fermon et al. 2022:186 [ref. 39448], Grove et al. 2022:17 [ref. 41326], Mincarone et al. 2022:[6] [ref. 39411], Page et al. 2023:94 [ref. 40505], Reading & Horton 2023:15 [ref. 41317]). Current status: Valid as Scopelengys tristis Alcock 1890. Neoscopelidae. Distribution: Circumglobal in tropical and temperate seas. Habitat: marine.