Bathygadidae

Iwamoto, Tomio & Okamoto, Makoto, 2015, A New Grenadier Fish of the Genus Lucigadus (Macrouridae, Gadiformes, Teleostei) from the Emperor Seamounts, Northwestern Pacific, Proceedings of the California Academy of Sciences 62 (13), pp. 369-380 : 377-378

publication ID	https://doi.org/ 10.5281/zenodo.13154899
persistent identifier	https://treatment.plazi.org/id/4B563353-BC36-231E-5F76-FC067CC4FCBE
treatment provided by	Felipe
scientific name	Bathygadidae
status

Treatment

Family Bathygadidae

Bathygadus antrodes View in CoL ( Jordan and Gilbert, 1904). Sazonov (1994:100–101) recorded five specimens from the

Nintoku Guyot (41°05′N, 170°43′E; 1120–1160 m); before then, it was known only from off central

Japan and Okinawa.

Family Macrouridae

Albatrossia pectoralis (Gilbert, 1892) . HUMZ 71918; east of Iwo Retto (Volcano Is.) (24°12′N, 149°58′E) in 1200 m; 1977.10.9. The genus name Albatrossia is used here, although the genus is treated by most recent authors as a junior synonym of Coryphaenoides .

Coelorinchus anisacanthus Sazonov, 1994 View in CoL . ZMMGU P18251 View Materials (holotype) and P18252 (13 paratypes, 270–300 mm TL); Koko Guyo (35°21′N, 171°19′E) in 550 m. Five additional specimens were examined by TI GoogleMaps in HUMZ.

Coelorinchus gilberti View in CoL Jordan and Hubbs , 1925. HUMZ 132360 View Materials to 132364 View Materials (87–159 mm HL, 315–400 mm TL); near Yuryaku Guyot (32°41.6′N, 172’18.8′E) in 644 m; 1993.11.7.

Coelorinchus matsubarai Okamura, 1982 View in CoL . HUMZ 68719 (63.2 mm HL, 250+ mm TL); (locality uncertain, probably Emperor Seamounts). HUMZ 132368 and 132369; Koko Guyot (35°53.8′N, 171°20.1′E) in 385– 384 m; 1993.11.3. HUMZ 68815–68818 (4 paratypes, 228–240 mm TL); Kimmei Seamount (35°21.6′N, 171°41.4′E) in 330 m; 1977.7.28 (reported by Okamura 1982:167).

Coelorinchus sp. cf. anisacanthus View in CoL [see Sazonov, 1994]. ZMMGU P18250 View Materials (93 mm Hl, 338 mm TL); Koko Guyot GoogleMaps (34°48′N, 171°47′E) in 820 m; 1984.08.25.

Coryphaenoides acrolepis (Bean, 1884) . HUMZ 71889 View Materials ; Yomei Guyot (42°18′N, 170°23′E) in 890–1030 m; 1977.9.16. GoogleMaps HUMZ 71995 View Materials and 71996; near Nintoku Guyot (40°58′N, 170°40′E) in 1080–1100 m; 1977.6.28. GoogleMaps HUMZ 72013 View Materials ; Ojin Guyot (37°55′N, 170°22′E) in 1055–1100 m; 1977.9.11. 1984.7.25. GoogleMaps HUMZ 85058 View Materials (78.5 mm HL); Yomei Guyot (42°23.0′N, 170°23.7′E) in 1240–1500 m; 1979.7.22. GoogleMaps

Coryphaenoides cinereus (Gilbert, 1895) . HUMZ 85058 View Materials ; Yomei Guyot (42°23′N, 170°23.7′E) in 1240–1500 m; 1979.7.22. GoogleMaps HUMZ 85147 View Materials : Nintoku Guyot (41°09.3′N, 170°37.8′E) in 1080–1100 m; 1977.6.28. GoogleMaps

Coryphaenoides longifilis (Günther, 1877) . HUMZ 71903 View Materials , 71904 View Materials and 71905; Ojin Guyot (38°00′N, 170°18′E) in 920–1080 m; 1977.7.17. GoogleMaps

Hymenocephalus hachijoensis Okamura, 1970 . This species was originally described from two specimens taken on the northern part of the Bonin Ridge (33°16’05”N, 140°03’06”E). Sazonov (1994:102) record- ed the species from two Emperor Seamounts specimens from near Milwaukee Seamount Group: Kammu Guyot (32°N, 173°E) and Nintoku Guyot (41°04′N, 170°32′E) in 1050–1060 m, and one from the Kyushu-Palau Ridge

Kuronezumia sp. HUMZ 132366 View Materials and 132367; near Koko Guyot (35°12.6′N, 170°37.8′E) in 1022 m; 1979.7.23.

Lucigadus borealis Iwamoto and Okamoto , new species

Nezumia obliquata Gilbert, 1905 . This species was originally described from a single juvenile (155 mm long) taken off Kauai, Hawaii. Sazonov (1994:103–104, Fig. 2 View FIGURE ) recorded it from Ojin Guyot GoogleMaps (37°55′N, 170°53′E) in 1400– 1240 m.

Nezumia tinro Sazonov, 1985 View in CoL . ZIL 47136 View Materials (holotype, m 53 mm HL, 294+ mm TL); Yomei Guyot (44°30′N, 171°31′E) in 1250–1260 m; 1976.10.10. ZIL 47137 View Materials (paratype, 46 mm HL, 273+ mm TL); Yomei Guyot (42°14.6′N, 170°22′E) in 1320 m; 1976.10.13. ZMMGU P18246 View Materials (13 spec., 128–360 m TL); Ojin Guyot (37°51′N, 170°53′E) in 1, 400–1,240 m. HUMZ 71913 View Materials (41.0 mm HL, 200+ mm TL) and HUMZ 85083 View Materials (1 spec.); Emperor Seamounts [locality information not available].

Nezumia sp. HUMZ 70716 View Materials , 70717 View Materials , 70718 View Materials , 70719 View Materials : Emperor Seamounts. [locality information not available]. HUMZ 85149 View Materials , 85150 View Materials , 85151 View Materials ; Nintoku Guyot (41°09.3′N, 170°37.8′E) in 1022 m; 1979.7.23. HUMZ 85082 View Materials , 85083 View Materials , 85084 View Materials ; Jingu Guyot (38°42.3′N, 171°06.9′E) in 820 m; 1979.7.24. GoogleMaps