Species that contain: Opisthocentrus and ocellatus [ 7 ] records

apos, Gunnellus Valenciennes [A.] in Cuvier & Valenciennes 1836:426 [Histoire naturelle des poissons v. 11; ref. 1005] Petropavlovsk harbor, Kamchatka, Russia. Holotype (unique): whereabouts unknown. Type catalog: Bauchot 1967:60 [ref. 20734]. Based on a Tilesius drawing (Tilesius 1811:Pl. 8 (fig. 2) [ref. 4408]); therefore, Gunnellus apos is an unneeded new name for and objective synonym of Ophidium ocellatum Tilesius 1811. Centronotus apus Günther 1861:288 [ref. 1964] is an unjustified emendation. •Synonym of Opisthocentrus ocellatus (Tilesius 1811) -- (Shiogaki 1984:220 [ref. 5309], Mecklenburg & Sheiko 2004:8 [ref. 27604], Parin et al. 2014:446 [ref. 33547], Dyldin & Orlov 2017:75 [ref. 35138]). Current status: Synonym of Opisthocentrus ocellatus (Tilesius 1811). Opisthocentridae. Habitat: marine.

apus, Centronotus Günther [A.] 1861:288 [Catalogue of the fishes in the British Museum v. 3; ref. 1964] Petropavlovsk harbor, Kamchatka, Russia. Holotype (unique): No types known. •Unjustified emendation of Gunnellus apos Valenciennes 1836. •Synonym of Opisthocentrus ocellatus (Tilesius 1811) -- (Shiogaki 1984:220 [ref. 5309], Mecklenburg & Sheiko 2004:8 [ref. 27604]). Current status: Synonym of Opisthocentrus ocellatus (Tilesius 1811). Opisthocentridae. Habitat: marine.

ocellatum, Ophidium Tilesius [W. G. von] 1811:237, Pl. 8 (fig. 2) [Mémoires de l'Académie Impériale des Sciences de Sankt Pétersbourg (5e Série) v. 3; ref. 4408] Petropavlovsk harbor, Kamchatka, Russia. Syntypes: (2-4) whereabouts unknown. •Valid as Opisthocentrus ocellatus (Tilesius 1811) -- (Lindberg & Krasyukova 1975:105 [ref. 7348], Amaoka & Miki in Masuda et al. 1984:302 [ref. 6441], Matarese et al. 1989:508 [ref. 26885], Lavrova 1990:51 [ref. 20302], Sokolovskaya et al. 1998:12 [ref. 24670], Posner & Lavenberg 1999:1038 [ref. 24188], Nakabo 2000:1052 [ref. 25182], Zemnukhov et al. 2001:420 [ref. 25412], Sheiko & Fedorov 2000:38 [ref. 25650], Mecklenburg et al. 2002:762 [ref. 25968], Nakabo 2002:1052 [ref. 26193], Choi et al. 2003:377, 643 [ref. 26218], Fedorov et al. 2003:124 [ref. 27579], Mecklenburg & Sheiko 2004:8 [ref. 27604], Parin et al. 2014:446 [ref. 33547], Dyldin & Orlov 2017:75 [ref. 35138], Kim et al. 2020:157 [ref. 39118], Dyldin & Orlov 2021:852 [ref. 38925], Dyldin et al. 2021:53 [ref. 38804]). Current status: Valid as Opisthocentrus ocellatus (Tilesius 1811). Opisthocentridae. Distribution: Northwestern Pacific: western Bering Sea, Okhotsk Sea, coasts of Japan to central Honshu, Japan Sea to Korean Peninsula. Habitat: brackish, marine.

ochotensis, Opisthocentrus Ueno [T.] 1954:103, Figs. 3, 4c [Japanese Journal of Ichthyology v. 3 (nos. 2 & 3-5); ref. 12669] Off Mombetsu, Okhotsk Sea, depth 250 meters. Holotype (unique): HUMZ (not found in 1997, probably missing). •Synonym of Opisthocentrus ocellatus (Tilesius 1811) -- (Shiogaki 1984:220 [ref. 5309], Mecklenburg & Sheiko 2004:8 [ref. 27604], Parin et al. 2014:446 [ref. 33547], Dyldin & Orlov 2017:75 [ref. 35138]). Current status: Synonym of Opisthocentrus ocellatus (Tilesius 1811). Opisthocentridae. Habitat: marine.

petropauli, Blenniophidium Boulenger [G. A.] 1893:584, Fig. [Proceedings of the Zoological Society of London 1892 (pt 4) (art. 2); ref. 534] Petropaulski harbor, Kamchatka, Russia. Holotype (unique): BMNH 1891.12.21.30. •Synonym of Opisthocentrus ocellatus (Tilesius 1811) -- (Shiogaki 1984:220 [ref. 5309], Mecklenburg & Sheiko 2004:8 [ref. 27604], Parin et al. 2014:446 [ref. 33547], Dyldin & Orlov 2017:75 [ref. 35138]). Current status: Synonym of Opisthocentrus ocellatus (Tilesius 1811). Opisthocentridae. Habitat: marine.

quinquemaculatus, Centronotus Kner [R.] 1868:29 [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 58 (nos 1-2); ref. 6074] "Pinang" [but probably De Kastri Bay, Tatar Strait, northern Japan Sea, Russia]. Holotype (unique): NMW 94535. Appeared in more detail in Kner 1868:340 [48 of separate], Pl. 7 (fig. 20) [ref. 2646]. •Synonym of Centronotus ocellatus (Tilesius 1811) -- (Sheiko & Fedorov 2000:38 [ref. 25650]). •Synonym of Opisthocentrus ocellatus (Tilesius 1811) -- (Shiogaki 1984:220 [ref. 5309], Mecklenburg & Sheiko 2004:8 [ref. 27604], Parin et al. 2014:446 [ref. 33547]). Current status: Synonym of Opisthocentrus ocellatus (Tilesius 1811). Opisthocentridae. Habitat: marine.

reticulatus, Opisthocentrus Steindachner [F.] 1881:189 [11], Pl. 5 (fig. 2) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 83 (1. Abth.); ref. 4231] Gulf of Strielok. Syntypes: MSNG 12398 (1); NMW 71785-88 (4, 2, 3, 2), 76359 (2), 76423 (2), 78113 (1); ZMUC uncat. (1 or 2). Type catalog: Tortonese 1963:341 [ref. 10350], Nielsen 1974:75 [ref. 9588]. On p. 11 of separate. •Synonym of Opisthocentrus ocellatus (Tilesius 1811) -- (Shiogaki 1984:220 [ref. 5309], Mecklenburg & Sheiko 2004:8 [ref. 27604], Parin et al. 2014:446 [ref. 33547], Dyldin & Orlov 2017:75 [ref. 35138]). Current status: Synonym of Opisthocentrus ocellatus (Tilesius 1811). Opisthocentridae. Habitat: marine.