Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the family or subfamily Bathylagidae: [ 36 ] records

alascanus, Bathylagus Chapman [W. M.] 1939:505, Fig. 58 [Proceedings of the United States National Museum v. 86 (no. 3062); ref. 817] Northeastern Pacific, 58°25'N, 146°04'W. Holotype: USNM 108148. Paratypes: (35) CAS-SU 34471 (1); USNM 108151-56 (1, 1, 1, 1, 1, 1). Type catalog: Böhlke 1953:16 [ref. 12291]. •Synonym of Bathylagus milleri Jordan & Gilbert 1898 -- (Cohen 1966:877 [ref. 21049]). •Synonym of Pseudobathylagus milleri (Jordan & Gilbert 1898) -- (Mecklenburg et al. 2002:152 [ref. 25968]). Current status: Synonym of Pseudobathylagus milleri (Jordan & Gilbert 1898). Bathylagidae. Habitat: marine.

andriashevi, Bathylagus Kobyliansky [S. G.] 1986:41 [Trudy Instituta Okeanologii Imeni P.P. Shirshova = Transactions of the P.P. Shirshov Institute of Oceanology v. 121; ref. 6002] Southeastern Atlantic, 20°18'S, 10°52'E, depth 100-0 meters. Holotype: ZMMU P-16697. Paratypes: ZMMU P-16698 (1), IOM (7, 8, 3, 1, 1, 1, 1). Type catalog: Vasil'eva et al. 2001:36 [ref. 25714]. •Valid as Bathylagus andriashevi Kobyliansky 1986 -- (Reading & Horton 2023:9 [ref. 41317]). Current status: Valid as Bathylagus andriashevi Kobyliansky 1986. Bathylagidae. Distribution: Northern Subantarctic; eastern Atlantic. Habitat: marine.

antarcticus, Bathylagus Günther [A.] 1878:248 [21] [Annals and Magazine of Natural History (Series 5) v. 2 (nos 7/8/9)(art. 2/22/28); ref. 2010] Antarctic, 53°55'S, 108°53'E, Challenger station 157, depth 1950 fathoms. Holotype (unique): BMNH 1887.12.7.230. On p. 21 of separate. See also Günther 1887:220 [ref. 2013]. •Valid as Bathylagus antarcticus Günther 1878 -- (Cohen 1986:216 [ref. 5646], Paxton et al. 1989:168 [ref. 12442], Pequeño 1989:29 [ref. 14125], Paulin et al. 1989:83 [ref. 24556], Cohen 1990:239 [ref. 14206], Gon 1990:107 [ref. 21680], Gomon et al. 1994:240 [ref. 22532], Kobyliansky 2006:437 [ref. 28785], Paxton et al. 2006:375 [ref. 28995], Kenaley & Hartel 2016:1758 [ref. 34566], Wang et al. 2024:4 [ref. 41309]). Current status: Valid as Bathylagus antarcticus Günther 1878. Bathylagidae. Distribution: Southern Ocean: around Antarctica; possibly anti-tropical in Pacific and Atlantic. Habitat: marine.

arae, Bathylagus Schmidt [P. Yu.] 1950:52 [37], Pl. 1 (fig. 3) [Trudy Tichookeanskogo Komiteta, Akademija Nauk S.S.S.R. v. 6; ref. 12471] Eastern shore of Sakhalin, 52°47'N, 144°51'E, Okhotsk Sea, depth 1150 meters. Holotype (unique): ZIN 24821. On p. 37 of English translation. Appeared first as name only in Schmidt 1935. •Synonym of Pseudobathylagus milleri (Jordan & Gilbert 1898) -- (Sheiko & Fedorov 2000:18 [ref. 25650], Parin et al. 2014:110 [ref. 33547]). Current status: Synonym of Pseudobathylagus milleri (Jordan & Gilbert 1898). Bathylagidae. Habitat: marine.

argyrogaster, Bathylagus Norman [J. R.] 1930:273, Fig. 4 [Discovery Reports v. 2; ref. 3219] 2°43'30"S, 0°56'30"W, southeastern Atlantic, depth 125-175 meters. Syntypes: BMNH 1930.1.12.12-14 (3), 1930.1.12.15-17 (3), 1930.1.12.18 (1), 1930.1.12.19 (1), 1930.1.12.20 (1). •Valid as Bathylagus argyrogaster Norman 1930 -- (Kobyliansky 1985:64 [ref. 8149], Paxton et al. 1989:168 [ref. 12442], Paulin et al. 1989:83 [ref. 24556], Cohen 1990:239 [ref. 14206]). •Valid as Bathylagoides argyrogaster (Norman 1930) -- (Carter & Hartel 2003:871 [ref. 27000], Paxton et al. 2006:375 [ref. 28995], Kenaley & Hartel 2016:1758 [ref. 34566], Reiner 2019:83 [ref. 38139], Sutton et al. 2020:30 [ref. 37832], Fermon et al. 2022:165 [ref. 39448], Reading & Horton 2023:9 [ref. 41317]). Current status: Valid as Bathylagoides argyrogaster (Norman 1930). Bathylagidae. Distribution: Tropical and southern Atlantic; southwestern Pacific. Habitat: marine.

atlanticus, Bathylagus Günther [A.] 1878:248 [21] [Annals and Magazine of Natural History (Series 5) v. 2 (nos 7/8/9)(art. 2/22/28); ref. 2010] South Atlantic, Challenger station 318, depth 2040 fathoms. Holotype (unique): BMNH 1887.12.7.229 (1) or 1887.12.7.230 (1). On p. 21 of separate. See also Günther 1887:219 [ref. 2013] where he states that only one specimen was obtained. •Valid as Bathylagus atlanticus Günther 1878 -- (Kobyliansky 2006:437 [ref. 28785], Sutton et al. 2020:33 [ref. 37832]). Current status: Valid as Bathylagus atlanticus Günther 1878. Bathylagidae. Distribution: South Atlantic. Habitat: marine.

australis, Bathylagichthys Kobyliansky [S. G.] 1990:539, Fig. 3 [Voprosy Ikhtiologii v. 30 (no. 4); ref. 21315] Southwestern Pacific, 44°50'S, 134°46'W, depth 200-0 meters. Holotype: ZMMU P-18060. Paratypes: IOM (19). Type catalog: Vasil'eva et al. 2001:36 [ref. 25714]. On p. 24 of English translation. •Valid as Bathylagichthys australis Kobyliansky 1990 -- (Pequeño & Matallanas 2003:242 [ref. 27370], Duhamel et al. 2005:96 [ref. 32059], Paxton et al. 2006:375 [ref. 28995], Gomon 2008:200 [ref. 30616], Gon & Stewart 2014:377 [ref. 33597]). Current status: Valid as Bathylagichthys australis Kobyliansky 1990. Bathylagidae. Distribution: Indian and Pacific oceans between 30°S and 47°S. Habitat: marine.

benedicti, Bathylagus Goode [G. B.] & Bean [T. H.] 1896:55, Pl. 17 (fig. 64) [Special Bulletin U. S. National Museum No. 2; ref. 1848] Gulf Stream, 39°44'30"N, 71°04'W, depth 1022 fathoms, 38°59'N, 70°07'W, depth 1344 fathoms; 40°29'N, 66°04'W, depth 1769 fathoms. Syntypes: USNM 33510 (1), 39480 (1), 44579 (1). •Synonym of Bathylagus euryops Goode & Bean 1896 -- (Cohen 1973:155 [ref. 6589], Cohen in Whitehead et al. 1984:393 [ref. 13675], Kobyliansky 2006:437 [ref. 28785]). Current status: Synonym of Bathylagus euryops Goode & Bean 1896. Bathylagidae. Habitat: marine.

bericoides, Scopelus Borodin [N. A.] 1929:110 [Proceedings of the New England Zoölogical Club v. 10; ref. 15886] North Atlantic, 41°30'N, 45°57'W, depth 800-0 fathoms. Holotype (unique): MCZ 31627. See also Borodin 1930:87 [ref. 16067]. •Valid as Bathylagus bericoides (Borodin 1929) -- (Cohen 1973:155 [ref. 6589], Fujii in Uyeno et al. 1983:131 [ref. 14275], Cohen in Whitehead et al. 1984:392 [ref. 13675], Uyeno in Masuda et al. 1984:41 [ref. 6441], Cohen 1986:216 [ref. 5646], Matarese et al. 1989:56 [ref. 26885], Paxton et al. 1989:168 [ref. 12442], Paulin et al. 1989:83 [ref. 24556], McAllister 1990:71 [ref. 14674], Cohen 1990:239 [ref. 14206], Miya 1994:435 [ref. 21253], Amaoka in Okamura et al. 1995:71 [ref. 22531], Shinohara et al. 1996:160 [ref. 26605], Santos et al. 1997:26 [ref. 23531], Pequeño 1997:80 [ref. 23536], McEachran & Fechhelm 1998:370 [ref. 23897], Fricke 1999:86 [ref. 24106], Porteiro et al. 1999:5 [ref. 24203], Figueiredo & Santos in Menezes et al. 2003:43 [ref. 27192] with wrong locality, Mundy 2005:158 [ref. 28379]). •Valid as Melanolagus bericoides (Borodin 1929) -- (Nakabo 2000:286 [ref. 25086], Nakabo 2002:286 [ref. 26001], Carter & Hartel 2003:871 [ref. 27000], Moore et al. 2003:177 [ref. 27076], Love et al. 2005:29 [ref. 37547], Shinohara et al. 2005:402 [ref. 28370], Paxton et al. 2006:376 [ref. 28995], Gomon 2008:201 [ref. 30616], Møller et al. 2010:23 [ref. 31169], Mecklenburg et al. 2011:117 [ref. 31212], Parin et al. 2014:109 [ref. 33547], Gon & Stewart 2015:345 [ref. 34242], Kenaley & Hartel 2016:1758 [ref. 34566], Nión et al. 2016:35 [ref. 35565], Carneiro et al. 2019:84 [ref. 37250], Sutton et al. 2020:31 [ref. 37832], Mincarone et al. 2021:[4] [ref. 38255], Eduardo et al. 2022:5 [ref. 39574], Fermon et al. 2022:165 [ref. 39448], Love et al. 2021:48 [ref. 39279], Page et al. 2023:81 [ref. 40505], Reading & Horton 2023:9 [ref. 41317], Fricke et al. 2024:202 [ref. 41622]). Current status: Valid as Melanolagus bericoides (Borodin 1929). Bathylagidae. Distribution: Circumglobal in tropical to temperate seas. Habitat: marine.

borealis, Bathylagus Gilbert [C. H.] 1896:402 [United States Commission of Fish and Fisheries, Report of the Commissioner v. 19 (for 1893) (art. 6); ref. 1628] North of Unalaska, Alaska, Albatross station 3327, depth 322 fathoms. Holotype: CAS-SU 3327 (apparently lost). Paratypes: USNM 48681 (1). •Synonym of Bathylagus pacificus Gilbert 1890 -- (Mecklenburg et al. 2002:153 [ref. 25968], Parin et al. 2014:108 [ref. 33547]). Current status: Uncertain as Bathylagus pacificus Gilbert 1890. Bathylagidae. Habitat: marine.

callorhini, Therobromus Lucas [F. A.] in Jordan & Gilbert 1899:440, Pl. 47 [The fishes of Bering Sea Pt III; ref. 2478] Between 54°43'N-55°29'N and 167°41'W-170°53'W, Bering Sea (stomach contents). Type material: bones and scales, whereabouts unknown. •Valid as Leuroglossus callorhini (Lucas 1899) -- (authors). •Possible senior synonym of Leuroglossus schmidti Rass 1955, but name has fallen into disuse -- (Mecklenburg et al. 2002:150 [ref. 25968]). Current status: Valid as Leuroglossus callorhini (Lucas 1899). Bathylagidae. Distribution: North Pacific. Habitat: marine.

compsus, Bathylagus Cohen [D. M.] 1958:1, Fig. 1 [Breviora No. 98; ref. 12060] Western North Atlantic, east of New Jersey, U.S.A., about 39°45'N, 71°08'W, depth 69.5 meters in midwater. Holotype: USNM 171755. Paratypes: USNM 171754 (1). •Valid as Bathylagus compsus Cohen 1958 -- (Scott & Scott 1988:158 [ref. 25518]). •Synonym of Bathylagus longirostris Maul 1948 -- (Cohen in Whitehead et al. 1984:394 [ref. 13675], Kobyliansky 1985:57 [ref. 8149], McAllister 1990:71 [ref. 14674], Cohen 1990:240 [ref. 14206]). •Synonym of Dolicholagus longirostris (Maul 1948) -- (authors). Current status: Synonym of Dolicholagus longirostris (Maul 1948). Bathylagidae. Habitat: marine.

elongatus, Bathylagus Roule [L.] 1916:8 [Bulletin de l'Institut Océanographique (Monaco) No. 320; ref. 3818] Cape Finisterre, Spain, station 3591, depth 1500-3500 meters. Holotype (unique): MOM 0091-0744. Type catalog: Belloc 1949:4 [ref. 21544]. •Synonym of Bathylagus euryops Goode & Bean 1896 -- (Cohen 1973:155 [ref. 6589]). Current status: Synonym of Bathylagus euryops Goode & Bean 1896. Bathylagidae. Habitat: marine.

euryops, Bathylagus Goode [G. B.] & Bean [T. H.] 1896:55, Pl. 17 (fig. 63) [Special Bulletin U. S. National Museum No. 2; ref. 1848] Gulf Stream, 39°29'N, 71°46'W, depth 693 fathoms; 39°52'N, 70°30'W, depth 600 fathoms; 40°09'30"N, 67°09'W, depth 1356 fathoms. Syntypes: USNM 31861 (1), 35420 (1), 39477 (1). •Valid as Bathylagus euryops Goode & Bean 1896 -- (Cohen 1973:155 [ref. 6589], Cohen in Whitehead et al. 1984:393 [ref. 13675], Scott & Scott 1988:159 [ref. 25518], McAllister 1990:71 [ref. 14674], Amaoka in Okamura et al. 1995:70 [ref. 22531], Carter & Hartel 2003:871 [ref. 27000], Moore et al. 2003:177 [ref. 27076], Kobyliansky 2006:437 [ref. 28785], Møller et al. 2010:23 [ref. 31169], Mecklenburg et al. 2011:117 [ref. 31212], Afonso et al. 2016:15, 106 [ref. 36199], Bañón et al. 2016:306 [ref. 34397], Kenaley & Hartel 2016:1758 [ref. 34566], Mecklenburg et al. 2018:67 [ref. 36370], Carneiro et al. 2019:84 [ref. 37250], Sutton et al. 2020:33 [ref. 37832], Bañón & Maño 2021:52 [ref. 38883], Page et al. 2023:81 [ref. 40505], Reading & Horton 2023:9 [ref. 41317]). Current status: Valid as Bathylagus euryops Goode & Bean 1896. Bathylagidae. Distribution: North Atlantic and adjacent Arctic region; eastern Atlantic; possibly in South Atlantic. Habitat: marine.

glacialis, Bathylagus Regan [C. T.] 1913:231, Pl. 9 (fig. 2) [Transactions of the Royal Society of Edinburgh v. 49 (pt 2, no. 2); ref. 3651] Weddell Sea, Antarctica. Syntypes: BMNH 1912.7.1.63 (1), 1912.7.1.64 (1); NMSZ 1921.143.307 (3 in 3 lots). Type catalog: Herman et al. 1990:3 [ref. 20727]. •Synonym of Bathylagus antarcticus Günther 1878 -- (Gon 1990:107 [ref. 21680]). Current status: Synonym of Bathylagus antarcticus Günther 1878. Bathylagidae. Habitat: marine.

gracilis, Bathylagus Lönnberg [E.] 1905:762 [Zoologischer Anzeiger v. 28 (no. 23); ref. 15369] Antarctic, 63°20'S, 47°01'W, depth 2800 meters and 48°54'S, 51°40'W, depth 2700 meters. Syntypes: (2). Also appeared as new in Lönnberg 1905:68 [ref. 2839]; latitudes and longitudes differ in the two publications. •Valid as Bathylagus gracilis Lönnberg 1905 -- (Gon 1990:109 [ref. 21680], Kobyliansky 2006:437 [ref. 28785], Gon & Stewart 2015:343 [ref. 34242]). Current status: Valid as Bathylagus gracilis Lönnberg 1905. Bathylagidae. Distribution: Southern Ocean. Habitat: marine.

greyae, Bathylagus Cohen [D. M.] 1958:5, Fig. 2 [Breviora No. 98; ref. 12060] Near Bermuda, 32°13.5'N, 64°32.5'W, depth 500-550 meters over 2000-2560 meters. Holotype: FMNH 49730. Paratypes: CAS-SU 50974 (1). Type catalog: Ibarra & Stewart 1987:15 [ref. 12367]. •Valid as Bathylagus greyae Cohen 1958 -- (Cohen in Whitehead et al. 1984:393 [ref. 13675], Kobyliansky 1985:55 [ref. 8149], Scott & Scott 1988:160 [ref. 25518], Paulin et al. 1989:83 [ref. 24556], McAllister 1990:71 [ref. 14674], Cohen 1990:240 [ref. 14206], Santos et al. 1997:26 [ref. 23531], McEachran & Fechhelm 1998:371 [ref. 23897], Porteiro et al. 1999:5 [ref. 24203], John & Zelck 2001:201 [ref. 25697]). •Valid as Bathylagichthys greyae (Cohen 1858) -- (Kobyliansky 1990:542 [ref. 21315], Carter & Hartel 2003:871 [ref. 27000], Moore et al. 2003:177 [ref. 27076], Pequeño & Matallanas 2003:242 [ref. 27370], Paxton et al. 2006:375 [ref. 28995], Gon & Stewart 2014:373 [ref. 33597], Kenaley & Hartel 2016:1758 [ref. 34566], Carneiro et al. 2019:84 [ref. 37250], Sutton et al. 2020:32 [ref. 37832], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:201 [ref. 41622]). Current status: Valid as Bathylagichthys greyae (Cohen 1958). Bathylagidae. Distribution: Atlantic; apparently also Indian and Pacific oceans. Habitat: marine.

kobylianskyi, Bathylagichthys Gon [O.] & Stewart [A. L.] 2014:373, Figs. 2a-c [Zootaxa 3884 (no. 4); ref. 33597] Hikurangi Trench, 42°12'S, 177°30'E, New Zealand, plankton trawl, depth 20-60 meters. Holotype: NMNZ P.35456. Paratypes: BMNH 2014.7.21.2-3 (2), CSIRO, MCZ, NMNZ, NSMT, USNM. •Valid as Bathylagichthys kobylianskyi Gon & Stewart 2014 -- (Gon & Stewart 2015:339 [ref. 34242], Sutton et al. 2020:32 [ref. 37832]). Current status: Valid as Bathylagichthys kobylianskyi Gon & Stewart 2014. Bathylagidae. Distribution: Southeastern Atlantic, southwestern Pacific: South Africa, New Zealand region, Norfolk Sea and Tasman Sea. Habitat: marine.

latifrons, Bathylagus euryops var. Lönnberg [E.] 1905:67 [Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition, 1901-1903 v. 5 (no. 6); ref. 2839] Antarctic, 49°56'S, 49°56'W, open net, depth to 2700 meters. Holotype (unique): NRM 10951. •Synonym of Bathylagus antarcticus Günther 1878 -- (Kobyliansky 2006:437 [ref. 28785]). Current status: Synonym of Bathylagus antarcticus Günther 1878. Bathylagidae. Habitat: marine.

longiceps, Bathylagus Parr [A. E.] 1931:6, Fig. 3 [Bulletin of the Bingham Oceanographic Collection Yale University v. 2 (art. 4); ref. 3371] Off Sinaloa, Mexico, 24°07'N, 108°40'W, depth 86 fathoms. Holotype: YPM 2711. Paratypes: YPM 2712 (6). Type catalog: Moore & Boardman 1991:8 [ref. 16741]. •Valid as Bathylagus longiceps Parr 1931 -- (Fricke et al. 2024:201 [ref. 41622]). Current status: Uncertain as Bathylagus longiceps Parr 1931. Bathylagidae. Distribution: Eastern Pacific: off Sinaloa (Mexico). Habitat: marine.

longipinnis, Bathylagus Kobyliansky [S. G.] 1985:52, Fig. 1 [Voprosy Ikhtiologii v. 25 (no. 1); ref. 8149] Southwestern Indian Ocean close to southeastern Atlantic, 41°34'S, 22°41'E, depth 200-0 meters. Holotype: ZMMU P-16296. Paratypes: IOAN uncat. (9). Type catalog: Vasil'eva et al. 2001:36 [ref. 25714]. On p. 2 of English translation. •Valid as Bathylagichthys longipinnis (Kobyliansky 1985) -- (Kobyliansky 1990:542 [ref. 21315], Pequeño & Matallanas 2003:242 [ref. 27370], Gon & Stewart 2015:340 [ref. 34242], Sutton et al. 2020:31 [ref. 37832]). Current status: Valid as Bathylagichthys longipinnis (Kobyliansky 1985). Bathylagidae. Distribution: Aoutheastern Atlantic, southweastern Indian Ocean, southeastern Indian Ocean, southwestern Pacific: southern Africa; Australia; New Zealand EEZ. Habitat: marine.

longirostris, Bathylagus Maul [G. E.] 1948:35, Fig. 14 [Boletim do Museu Municipal do Funchal No. 3 (art. 5); ref. 13063] Madeira, eastern Atlantic. Holotype (unique): MMF. •Valid as Bathylagus longirostris Maul 1948 -- (Cohen 1973:155 [ref. 6589], Fujii in Uyeno et al. 1983:130 [ref. 14275], Kanayama in Amaoka et al. 1983:79, 180, 233, 316 [ref. 8379], Cohen in Whitehead et al. 1984:394 [ref. 13675], Uyeno in Masuda et al. 1984:41 [ref. 6441], Kobyliansky 1985:57 [ref. 8149], Paulin et al. 1989:83 [ref. 24556], Cohen 1990:240 [ref. 14206], McEachran & Fechhelm 1998:373 [ref. 23897], Porteiro et al. 1999:5 [ref. 24203], Mundy 2005:158 [ref. 28379]). •Valid as Dolicholagus longirostris (Maul 1948) -- (Shinohara et al. 1996:159 [ref. 26605], Paxton & Cohen 1999:1886 [ref. 24738], Nakabo 2000:285 [ref. 25086], Nakabo 2002:285 [ref. 26001], Carter & Hartel 2003:871 [ref. 27000] as Dilicholagus, Moore et al. 2003:177 [ref. 27076], Paxton et al. 2006:375 [ref. 28995], Kenaley & Hartel 2016:1758 [ref. 34566], Carneiro et al. 2019:84 [ref. 37250], Sutton et al. 2020:30 [ref. 37832], Eduardo et al. 2022:5 [ref. 39574], Mincarone et al. 2021:[2] [ref. 38255], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:201 [ref. 41622]). Current status: Valid as Dolicholagus longirostris (Maul 1948). Bathylagidae. Distribution: Circumglobal in tropical and subtropical seas. Habitat: marine.

microcephalus, Bathylagus Norman [J. R.] 1930:274, Fig. 5 [Discovery Reports v. 2; ref. 3219] Southeastern Atlantic, 33°50'-34°13'S, 16°04'-15°49'E, depth 850-950 meters. Holotype: BMNH 1930.1.12.22 (172 mm). Paratypes: BMNH 1930.1.12.21 [or 22] (1). •Synonym of Bathylagus bericoides (Borodin 1929) -- (Cohen 1973:155 [ref. 6589], Cohen in Whitehead et al. 1984:392 [ref. 13675], Cohen 1986:216 [ref. 5646], Pequeño 1989:29 [ref. 14125], Cohen 1990:239 [ref. 14206]). •Synonym of Melanolagus bericoides (Borodin 1929) -- (Kotlyar, pers. comm., 3/03). Current status: Synonym of Melanolagus bericoides (Borodin 1929). Bathylagidae. Habitat: marine.

milleri, Bathylagus Jordan [D. S.] & Gilbert [C. H.] in Jordan & Evermann 1898:2825 [Bulletin of the United States National Museum No. 47; ref. 2445] Cortez Banks off San Diego, California, U.S.A., Albatross station 3627, depth 776 fathoms. Holotype (unique): USNM 48919 (mutilated). •Valid as Bathylagus milleri Jordan & Gilbert 1898 -- (Cohen 1966:877 [ref. 21049], Kanayama in Amaoka et al. 1983:77, 179, 235, 317 [ref. 8379], Uyeno in Masuda et al. 1984:41 [ref. 6441], Matarese et al. 1989:58 [ref. 26885], McAllister 1990:71 [ref. 14674], Miya 1994:436 [ref. 21253], Shinohara et al. 1994:55 [ref. 22800]). •Valid as Pseudobathylagus milleri (Jordan & Gilbert 1898) -- (Shinohara et al. 1996:160 [ref. 26605], Nakabo 2000:286 [ref. 25086], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:152 [ref. 25968], Nakabo 2002:286 [ref. 26001], Fedorov et al. 2003:29 [ref. 27579], Love et al. 2005:29 [ref. 37547], Fujii et al. 2010:512 [ref. 30881], Parin et al. 2014:110 [ref. 33547], Burton & Lea 2019:38 [ref. 37205], Dyldin & Orlov 2021:68 [ref. 38158], Love et al. 2021:48 [ref. 39279], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:202 [ref. 41622]). Current status: Valid as Pseudobathylagus milleri (Jordan & Gilbert 1898). Bathylagidae. Distribution: North Pacific: southern Honshu (Japan) north to Bering Sea, including Sea of Okhotsk; Alaska (U.S.A.) south to southern California (U.S.A.) and Pacific coast of northern Baja California (Mexico). Habitat: marine.

nakazawai, Bathylagus Matsubara [K.] 1940:315 [Suisan Kenkyu-Shi v. 35 (no. 12); ref. 13061] Haramae, near Kambara, Japan. Holotype (unique): Nakazawa's Fish Spec. 3 (whereabouts unknown). •Synonym of Bathylagus ochotensis Schmidt 1938 -- (Kobyliansky 1985:59 [ref. 8149], Okamura & Machida 1986:27 [ref. 22278]). •Synonym of Lipolagus ochotensis (Schmidt 1938) -- (Kotlyar, pers. comm., 3/03). Current status: Synonym of Lipolagus ochotensis (Schmidt 1938). Bathylagidae. Habitat: marine.

niger, Bathylagus Kobyliansky [S. G.] 2006:438 [English p. 413], Fig. [Voprosy Ikhtiologii v. 46 (no. 4); ref. 28785] Southern Ocean, 52°54'S, 35°55'W, depth 800-0 meters. Holotype: ZMMU 21652. Paratypes:18 at IORAS without numbers, ZMMU 21653 (1). •Valid as Bathylagus niger Kobyliansky 2006. Current status: Valid as Bathylagus niger Kobyliansky 2006. Bathylagidae. Distribution: Southern Ocean between 44 and 59°S. Habitat: marine.

nigrigenys, Bathylagus Parr [A. E.] 1931:4, Fig. 2 [Bulletin of the Bingham Oceanographic Collection Yale University v. 2 (art. 4); ref. 3371] Pacific coast of Mexico, 16°14'N, 99°36'30"W, 3750 feet wire out. Holotype: YPM 2674. Paratypes: YPM 2675 (11). Type catalog: Moore & Boardman 1991:8 [ref. 16741]. •Valid as Bathylagus nigrigenys Parr 1931 -- (Kobyliansky 1985:62 [ref. 8149], Pequeño 1989:29 [ref. 14125], De La Cruz Agüero et al. 1997:67 [ref. 24545], Paxton & Cohen 1999:1886 [ref. 24738]). •Valid as Bathylagoides nigrigenys (Parr 1931) -- (Love et al. 2005:29 [ref. 37547], Fourriére et al. 2016:454 [ref. 34668], Del Moral-Flores et al. 2016:606 [ref. 34923], Love et al. 2021:46 [ref. 39279], Grove et al. 2022:16 [ref. 41326], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:201 [ref. 41622], Victor et al. 2024:75 [ref. 42021]). Current status: Valid as Bathylagoides nigrigenys (Parr 1931). Bathylagidae. Distribution: Equatorial and tropical waters of Indo-Pacific; eastern Pacific: Pacific coast of Baja California Sur (Mexico) south to Chile, including Galapagos Islands (Ecuador). IUCN (2025): Not Assessed. Habitat: marine.

ochotensis, Bathylagus Schmidt [P. Yu.] 1938:654 [Doklady Akademii Nauk SSSR, Ser. A (Comptes Rendus de l'Académie des Sciences de l'URSS), Leningrad v. 19 (no. 8) [1938]; ref. 3943] Kamchatka, Russia, 55°18'30"N, 146°39'E, Okhotsk Sea, depth 592 meters. Holotype (unique): ZIN 24498. •Valid as Bathylagus ochotensis Schmidt 1938 -- (Kanayama in Amaoka et al. 1983:81, 180, 233, 316 [ref. 8379], Uyeno in Masuda et al. 1984:41 [ref. 6441], Kobyliansky 1985:59 [ref. 8149], Machida in Okamura et al. 1985:645, 752 [ref. 8056], Okamura & Machida 1986:27 [ref. 22278], Matarese et al. 1989:60 [ref. 26885], Paxton et al. 1989:169 [ref. 12442], Paulin et al. 1989:83 [ref. 24556], McAllister 1990:71 [ref. 14674], Miya 1994:435 [ref. 21253], Miya 1995:173 [ref. 22370], Shinohara et al. 1994:55 [ref. 22800], Kubota & Tsukada 1996:56 [ref. 24966], Shinohara et al. 1996:159 [ref. 26605], De La Cruz Agüero et al. 1997:67 [ref. 24545], Mundy 2005:158 [ref. 28379]). •Valid as Lipolagus ochotensis (Schmidt 1938) -- (Nakabo 2000:285 [ref. 25086], Sheiko & Fedorov 2000:18 [ref. 25650], Shinohara et al. 2001:295 [ref. 25995], Mecklenburg et al. 2002:151 [ref. 25968], Nakabo 2002:285 [ref. 26001], Fedorov et al. 2003:28 [ref. 27579], Love et al. 2005:29 [ref. 37547], Shinohara et al. 2005:402 [ref. 28370], Paxton et al. 2006:376 [ref. 28995], Parin et al. 2014:109 [ref. 33547], Tohkairin et al. 2015:5 [ref. 35331], Burton & Lea 2019:38 [ref. 37205], Dyldin & Orlov 2021:68 [ref. 38158], Love et al. 2021:47 [ref. 39279], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:202 [ref. 41622]). Current status: Valid as Lipolagus ochotensis (Schmidt 1938). Bathylagidae. Distribution: Pacific: Honshu (Japan) north to Bering Sea, including Sea of Okhotsk; Alaska (U.S.A.) south to Pacific coast of Baja California (Mexico); Australia. Habitat: marine.

pacificus, Bathylagus Gilbert [C. H.] 1890:55 [Proceedings of the United States National Museum v. 13 (no. 797); ref. 1623] Pacific off Washington, U.S.A., Albatross station 3071 and 3074, depth 685-877 fathoms. Syntypes: (2) CAS-SU 29 (1). Type catalog: Böhlke 1953:16 [ref. 12291]. •Valid as Bathylagus pacificus Gilbert 1890 -- (Kanayama in Amaoka et al. 1983:83, 180, 233, 316 [ref. 8379], Uyeno in Masuda et al. 1984:41 [ref. 6441], Matarese et al. 1989:62 [ref. 26885], McAllister 1990:71 [ref. 14674], Miya 1994:435 [ref. 21253], Shinohara et al. 1994:55 [ref. 22800], Kubota & Tsukada 1996:56 [ref. 24966], Shinohara et al. 1996:159 [ref. 26605], De La Cruz Agüero et al. 1997:67 [ref. 24545], Nakabo 2000:286 [ref. 25086], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:153 [ref. 25968], Nakabo 2002:286 [ref. 26001], Fedorov et al. 2003:28 [ref. 27579], Love et al. 2005:29 [ref. 37547], Mundy 2005:158 [ref. 28379], Fujii et al. 2010:510 [ref. 30881], Fricke et al. 2011:356 [ref. 31242], Parin et al. 2014:108 [ref. 33547], Burton & Lea 2019:38 [ref. 37205], Dyldin & Orlov 2021:68 [ref. 38158], Love et al. 2021:47 [ref. 39279], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:201 [ref. 41622]). Current status: Valid as Bathylagus pacificus Gilbert 1890. Bathylagidae. Distribution: North Pacific: southern Japan and Sea of Okhotsk north to southern Bering Sea; Alaska (U.S.A.) south to Pacific coast of Baja California Sur (Mexico), including Gulf of California (Mexico). Habitat: marine.

parini, Bathylagichthys Kobyliansky [S. G.] 1990:537, Fig. 1 [Voprosy Ikhtiologii v. 30 (no. 4); ref. 21315] South Pacific, 42°59'S, 80°15'W, depth 20-70 meters. Holotype: ZMMU P-18058. Paratypes: ZMMU P-18059 (2). Type catalog: Vasil'eva et al. 2001:36 [ref. 25714]. On p. 22 of English translation. •Valid as Bathylagichthys parini Kobyliansky 1990 -- (Pequeño 1999:171 [ref. 24566], Pequeño & Matallanas 2003:242 [ref. 27370], Urine & Balbontin 2005:201 [ref. 28372], Gon & Stewart 2015:341 [ref. 34242]). Current status: Valid as Bathylagichthys parini Kobyliansky 1990. Bathylagidae. Distribution: Southeastern Pacific and Chile. Habitat: marine.

problematica, Nansenia Lloris [D.] & Rucabado [J. A.] 1985:142, Fig. 1 [Copeia 1985 (no. 1); ref. 6792] Namibia, off southwestern Africa, 27°02'S, 13°55'E, depth 615 meters. Holotype: IIPB 707/1981. Paratypes: IIPB 708/1981 (1), 709/1981 (1), 710/1981 (1), 711/1981 (1). Type catalog: Allué et al. 2000:43 [ref. 30499]. •Valid as Bathylagichthys problematicus (Lloris & Rucabado 1985) -- (Kobyliansky 1990:542 [ref. 21315], Pequeño & Matallanas 2003:242 [ref. 27370], Gomon 2008:200 [ref. 30616], Gon & Stewart 2014:373 [ref. 33597], Gon & Stewart 2015:342 [ref. 34242], Kenaley & Hartel 2016:1758 [ref. 34566], Sutton et al. 2020:32 [ref. 37832]). Current status: Valid as Bathylagichthys problematicus (Lloris & Rucabado 1985). Bathylagidae. Distribution: Southeastern Atlantic; southeastern Indian Ocean, southwestern Pacific: New Zealand EEZ; ? one specimen from southern Australia. Habitat: marine.

schmidti, Leuroglossus stilbius Rass [T. S.] 1955:329, Fig. 1 [Trudy Instituta Okeanologii, Akademija Nauk S.S.S.R. v. 12; ref. 3610] Kuril-Kamchatka trench, N. Pacific, 55°52'N, 143°34'E, depth 550 meters. Holotype: not at ZIN. Paratypes: (16). •Valid as Bathylagus schmidti (Rass 1955) -- (McAllister 1990:71 [ref. 14674], Shinohara et al. 1994:56 [ref. 22800]). •Valid as Leuroglossus schmidti Rass 1955 -- (Peden 1981:2396 [ref. 5512], Kanayama in Amaoka et al. 1983:231, 315 [ref. 8379], Uyeno in Masuda et al. 1984:41 [ref. 6441], Matarese et al. 1989:66 [ref. 26885], Miya 1994:438 [ref. 21253], Shinohara et al. 1996:159 [ref. 26605], Nakabo 2000:284 [ref. 25086], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:150 [ref. 25968], Nakabo 2002:284 [ref. 26001], Fedorov et al. 2003:28 [ref. 27579], Nelson et al. 2004:85 [ref. 27807], Love et al. 2005:29 [ref. 37547], Page et al. 2013:85 [ref. 32708], Parin et al. 2014:108 [ref. 33547], Pietsch & Orr 2015:20 [ref. 34694], Tohkairin et al. 2015:4 [ref. 35331], Dyldin & Orlov 2021:68 [ref. 38158], Love et al. 2021:47 [ref. 39279], Page et al. 2023:81 [ref. 40505]). Current status: Valid as Leuroglossus schmidti Rass 1955. Bathylagidae. Distribution: North Pacific: Japan north to Bering Sea, including Sea of Okhotsk; Alaska (U.S.A.) south to southern British Columbia (Canada). Habitat: marine.

stilbius, Leuroglossus Gilbert [C. H.] 1890:57 [Proceedings of the United States National Museum v. 13 (no. 797); ref. 1623] Pacific off northwestern Mexico, Albatross station 2997, depth 221 fathoms. Lectotype: USNM 44283 (poor condition). Paralectotypes: (1). Lectotype established (as figured specimen) in caption to Pl. 87, p. 3250 in Jordan & Evermann 1900 [ref. 2446] if figured specimen is identifiable. •Valid as Bathylagus stilbius (Gilbert 1890) -- (De La Cruz Agüero et al. 1997:68 [ref. 24545]). •Valid as Leuroglossus stilbius Gilbert 1890 -- (Alverson 1951:86 [ref. 41114], Peden 1981:2396 [ref. 5512], Kanayama in Amaoka et al. 1983:231, 315 [ref. 8379], Matarese et al. 1989:68 [ref. 26885], McAllister 1990:72 [ref. 14674], Mecklenburg et al. 2002:149 [ref. 25968], Nelson et al. 2004:85 [ref. 27807], Love et al. 2005:29 [ref. 37547], Page et al. 2013:85 [ref. 32708], Burton & Lea 2019:38 [ref. 37205], Love et al. 2021:47 [ref. 39279], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:201 [ref. 41622], Victor et al. 2024:75 [ref. 42021] as stilbeus). Current status: Valid as Leuroglossus stilbius Gilbert 1890. Bathylagidae. Distribution: Eastern Pacific: Oregon (U.S.A.) south to Colombia, including Gulf of California (Mexico). IUCN (2025): Not Assessed. Habitat: marine.

tenuis, Bathylagus Kobyliansky [S. G.] 1986 [Trudy Instituta Okeanologii Imeni P.P. Shirshova = Transactions of the P.P. Shirshov Institute of Oceanology v. 121; ref. 6002] South Atlantic, 40°17'S, 50°01'W, depth 1230-0 meters. Holotype: ZMMU P-16695. Paratypes: IOM (5 lots, 1 ea.), ZMMU P-16696 (1). Type catalog: Vasil'eva et al. 2001:36 [ref. 25714]. •Valid as Bathylagus tenuis Kobyliansky 1986 -- (Gon 1990:110 [ref. 21680], Duhamel et al. 2005:98 [ref. 32059], Gon & Stewart 2015:344 [ref. 34242]). Current status: Valid as Bathylagus tenuis Kobyliansky 1986. Bathylagidae. Distribution: Southern Ocean, Atlantic and Indian oceans. Habitat: marine.

urotranus, Leuroglossus Bussing [W. A.] 1965:194, Fig. 3 [Antarctic Research Series, Washington DC. v. 5; ref. 9201] Peru-Chile Trench, 7°45'S, 81°33'W. Holotype: LACM 10003. Paratypes: LACM 10004 (126). •Synonym of Leuroglossus stilbius Gilbert 1890, but a valid subspecies -- (Pequeño 1989:29 [ref. 14125]). •Synonym of Bathylagus stilbius (Gilbert 1890) -- (authors). •Valid as Leuroglossus urotranus Bussing 1965 -- (Robertson et al. 2017:38 [ref. 35676]). Current status: Valid as Leuroglossus urotranus Bussing 1965. Bathylagidae. Distribution: Eastern Pacific: Panama to Chile. Habitat: marine.

wesethi, Bathylagus Bolin [R. L.] 1938:66, Fig. 23 [California Fish and Game v. 24 (no. 1); ref. 17132] Off the mouth of Monterey Bay, California, U.S.A., 36°40'30"N, 122°06'00"W, depth 0-50 fathoms. Holotype: CAS-SU 32971. Paratypes: CAS-SU 32972-73 (1, 1). Type catalog: Böhlke 1953:16 [ref. 12291]. •Valid as Bathylagus wesethi Bolin 1938 -- (Kobyliansky 1985:61 [ref. 8149], Matarese et al. 1989:64 [ref. 26885], De La Cruz Agüero et al. 1997:67 [ref. 24545], Fricke et al. 2011:356 [ref. 31242]). •Valid as Bathylagoides wesethi (Bolin 1938) -- (Love et al. 2005:29 [ref. 37547], Burton & Lea 2019:38 [ref. 37205], Love et al. 2021:47 [ref. 39279], Page et al. 2023:81 [ref. 40505], Fricke et al. 2024:201 [ref. 41622]). Current status: Valid as Bathylagoides wesethi (Bolin 1938). Bathylagidae. Distribution: Eastern Pacific: Oregon (U.S.A.) south to Pacific coast of southern Baja California Sur (Mexico); southwestern Pacific: New Caledonia. Habitat: marine.