Species that contain: Opsariichthys and uncirostris [ 8 ] records

amurensis, Opsariichthys uncirostris Berg [L. S.] 1932:384, Fig. 295 [Les poissons des eaux douces de l'U.R.S.S. Part 1; ref. 278] Amur, Siberia, Russia. No types known. •Synonym of Opsariichthys bidens Günther 1873 -- (Chen & Chu in Chen et al. 1998:47 [ref. 23878]). •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846), but a valid subspecies as described -- (Berg 1949:613 [ref. 20661], Yang & Hwang 1964:42 [ref. 13497], Bogutskaya & Naseka 1996:30 [ref. 22798], Kim 1997:272 [ref. 24032], Bogutskaya 1998:79 [ref. 23589], Gorlacheva et al. 1999:261 [ref. 24866], Kim & Park 2002:182 [ref. 25913], Choi et al. 2003:157, 514 [ref. 26218], Bogutskaya et al. 2008:333 [ref. 30085], Parin et al. 2014:84 [ref. 33547], Wang et al. 2019:[6] [ref. 36521]). •Valid as Opsariichthys amurensis Berg 1932 -- (Dyldin et al. 2023:[16] [ref. 40328]). Current status: Valid as Opsariichthys amurensis Berg 1932. Xenocyprididae. Distribution: East Asia: Amur River basin (Russia) endemic. Habitat: freshwater.

bidens, Opsariichthys Günther [A.] 1873:249 [Annals and Magazine of Natural History (Series 4) v. 12 (no. 69) (art. 31); ref. 2004] Shanghai, China. Holotype (unique): BMNH 1873.7.30.96. •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846) -- (Mai 1978:120 [ref. 13511], Bogutskaya 1998:79 [ref. 23589]). •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846), but a valid subspecies -- (Yang & Hwang 1964:40 [ref. 13497], Nguyen & Nguyen 2000:12 [ref. 26614], Sado & Kimura 2002:353 [ref. 26498]). •Valid as Opsariichthys bidens Günther 1873 -- (Kuang in Kuang et al. 1986:45 [ref. 26639], Kuang in Chu & Chen 1989:31 [ref. 13584], Zheng et al. 1989:68 [ref. 21202], Ye & Song in Pan et al. 1991:75 [ref. 23876], Ding 1994:128 [ref. 21531], Zhu 1995:26 [ref. 25213], Cheng & Zhou 1997:104 [ref. 26385], Doi 1997:8 [ref. 22832], Chen & Chu in Chen et al. 1998:47 [ref. 23878], Kottelat 2001:33 [ref. 25482], Kottelat 2001:63 [ref. 25780], Tang et al. 2001:12 [ref. 25373], Wang et al. 2001:75 [ref. 26566], Bogutskaya & Naseka 2004:99 [ref. 28183], Chen et al. 2008:217 [ref. 29934], Bogutskaya et al. 2008:333 [ref. 30085], Chen et al. 2009:175 [ref. 30298], Kottelat 2013:130 [ref. 32989], Huynh & Chen 2014:142 [ref. 33158], Zhang et al. 2016:50 [ref. 34477], Wang et al. 2019:[6] [ref. 36521], Zhang et al. 2019:135 [ref. 36699], Dyldin et al. 2020:87 [ref. 37569], Fu et al. 2021:9569 [ref. 39347], Guo 2021:92 [ref. 38617], Taki et al. 2021:85 [ref. 39830]). Current status: Valid as Opsariichthys bidens Günther 1873. Xenocyprididae. Distribution: East Asia: northern and eastern-central China and eastern Russia; introduced in the upper Mekong River basin, Laos. Habitat: freshwater.

blanchardi, Rasbora (Rasbora) Sauvage [H.-E.] & Dabry de Thiersant [P.] 1874:12 [Annales des Sciences Naturelles, Paris (Zoologie et Paléontologie) (Sér. 6) v. 1 (art. 5); ref. 15665] South Shen-si and west Tche-Kiang, China. Syntypes: MNHN 0000-8152 (11), 0000-8236 (5). Type catalog: Bertin & Estève 1948:71 [ref. 19574]. •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846), subspecies bidens Günther 1873 -- (Yang & Hwang 1964:41 [ref. 13497]). •Synonym of Opsariichthys bidens Günther 1873 -- (Chen & Chu in Chen et al. 1998:47 [ref. 23878], Kottelat 2013:130 [ref. 32989]). Current status: Synonym of Opsariichthys bidens Günther 1873. Xenocyprididae. Habitat: freshwater.

chekianensis, Opsariichthys Shaw [T.-H.] 1930:113, Fig. 3 [Bulletin of the Fan Memorial Institute of Biology, Peiping (Zoological Series) v. 1 (no. 7); ref. 16145] Small river at Shing-Tsong, Chekiang [Zhejiang Province], China. Holotype (unique): ZMFMIB (now ASIZB) 4441. •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846), subspecies bidens Günther 1873 -- (Yang & Hwang 1964:41 [ref. 13497], Chen & Chu in Chen et al. 1998:47 [ref. 23878]). •Synonym of Opsariichthys bidens Gübnther 1873 -- (Chen et al. 2008:217 [ref. 29934], Kottelat 2013:130 [ref. 32989], Zhang et al. 2016:50 [ref. 34477]). Current status: Synonym of Opsariichthys bidens Günther 1873. Xenocyprididae. Habitat: freshwater.

hainanensis, Opsariichthys Nichols [J. T.] & Pope [C. H.] 1927:367, Fig. 33 [Bulletin of the American Museum of Natural History v. 54 (art. 2); ref. 5747] Nodoa [Noda], Hainan Island, China. Holotype: AMNH 8377. Paratypes or non-types: MCZ 32657 [ex AMNH] (1). •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846) -- (Yang & Hwang 1964:41 [ref. 13497]). •Synonym of Opsariichthys bidens Günther 1873 -- (Kuang in Kuang et al. 1986:46 [ref. 26639], Ye & Song in Pan et al. 1991:76 [ref. 23876], Chen & Chu in Chen et al. 1998:47 [ref. 23878]). •Valid as Opsariichthys hainanensis Nichols & Pope 1927 -- (Chen et al. 2009;175 [ref. 30298], Kottelat 2013:130 [ref. 32989], Huynh & Chen 2014:142 [ref. 33158], Wang et al. 2019:[6] [ref. 36521], Wang et al. 2022:1 [ref. 40033]). Current status: Valid as Opsariichthys hainanensis Nichols & Pope 1927. Xenocyprididae. Distribution: East Asia: south of the Pearl River, Yunnan and Hainan Island (China). Habitat: freshwater.

minutus, Opsariichthys Nichols [J. T.] 1926:6, Fig. 5 [American Museum Novitates No. 224; ref. 15601] Fukien Province, China. Holotype: AMNH 8478. •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846) -- (Yang & Hwang 1964:41 [ref. 13497]). •Synonym of Opsariichthys bidens Günther 1873 -- (Chen & Chu in Chen et al. 1998:47 [ref. 23878], Kottelat 2013:130 [ref. 32989]). •Valid as Opsariichthys minutus Nichols 1926 -- (Huynh & Chen 2014:142 [ref. 33158], Wang et al. 2019:[6] [ref. 36521]). Current status: Valid as Opsariichthys minutus Nichols 1926. Xenocyprididae. Distribution: Eastern Asia: upper Pearl River basin, southern China. Habitat: freshwater.

morrisonii, Opsariichthys Günther [A.] 1898:262, Pl. 13 (fig. A) [Annals and Magazine of Natural History (Series 7) v. 1 (no. 4) (art. 42); ref. 14684] Liao-ho river at Newchwang [Yingkow], Liaoning Province, northeastern China. Holotype (unique): BMNH 1898.2.28.16. •Synonym of Opsariichthys uncirostris (Temminck & Schlegel 1846) -- (Yang & Hwang 1964:41 [ref. 13497]). •Synonym of Opsariichthys bidens Günther 1873 -- (Chen & Chu in Chen et al. 1998:47 [ref. 23878], Kottelat 2013:130 [ref. 32989]). Current status: Synonym of Opsariichthys bidens Günther 1873. Xenocyprididae. Habitat: freshwater.

uncirostris, Leuciscus Temminck [C. J.] & Schlegel [H.] 1846:211, Pl. 102 (figs. 1, 1a-b) [Fauna Japonica Parts 10-14; ref. 4374] Japan. Lectotype: RMNH 2878a (largest). Paralectotypes: RMNH 2878b-c (2 of 3). Lectotype selected by Boeseman 1947:163 [ref. 12876]. •Valid as Opsariichthys uncirostris (Temminck & Schlegel 1846) -- (Kuroda 1953:276 [ref. 39545], Okada 1961:510 [ref. 6363], Bănărescu 1968:310 [ref. 20605], Mai 1978:119 [ref. 13511], Sawada in Masuda et al. 1984:57 [ref. 6441], Okamura & Machida 1987:106 [ref. 22279], Kawanabe & Mizuno 1989:250 [ref. 25598], Sato 1995:49 [ref. 25531], Kim 1997:272 [ref. 24032], Reshetnikov et al. 1997:739 [ref. 24702], Watanabe 1998:262 [ref. 23491], Bogutskaya 1998:79 [ref. 23589], Sato et al. 1998:31 [ref. 24972], Nakabo 2000:262 [ref. 25086], Matsuura et al. 2000:97 [ref. 26000], Nguyen & Nguyen 2000:12 [ref. 26614], Kottelat 2001:33 [ref. 25482], Bogutskaya et al. 2001:44 [ref. 26178], Nakabo 2002:262 [ref. 26001], Sado & Kimura 2002:353 [ref. 26498], Chen et al. 2008:215 [ref. 29934], Chen et al. 2009:174 [ref. 30298], Wang et al. 2019:[6] [ref. 36521]). Current status: Valid as Opsariichthys uncirostris (Temminck & Schlegel 1846). Xenocyprididae. Distribution: East Asia: Japan, Korea, and northeastern China. Habitat: freshwater.