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

Species in the genus Opsariichthys: [ 28 ] records

acutipinnis, Barilius (Barilius) Bleeker [P.] (ex Guichenot) 1871:81, Pl. 13 (fig. 1) [Verhandelingen der Koninklijke Akademie van Wetenschappen (Amsterdam) v. 12 (art. 2); ref. 6421] Chang Jiang [Yangtze River], China. Holotype (unique): MNHN 0000-5070. Type catalog: Bertin & Estève 1948:68 [ref. 19574]. •Synonym of Zacco platypus (Temminck & Schlegel 1846) -- (Yang & Hwang 1964:49 [ref. 13497], Mai 1978:129 [ref. 13511], Chen & Chu in Chen et al. 1998:41 [ref. 23878]). •Valid as Zacco acutipinnis (Bleeker 1871) -- (Kottelat 2013:171 [ref. 32989]). •Valid as Opsariichthys acutipinnis (Bleeker 1871) -- (Huynh & Chen 2014:143 [ref. 33158], Wang et al. 2019:[11] [ref. 36521], Peng et al. 2024:28 [ref. 41610]). Current status: Valid as Opsariichthys acutipinnis (Bleeker 1871). Xenocyprididae. Distribution: East Asia: Yangtze River and Pearl River basins and Hong Kong (southern China). IUCN (2024): Not Assessed. Habitat: freshwater.

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], Peng et al. 2024:29 [ref. 41610]). Current status: Valid as Opsariichthys amurensis Berg 1932. Xenocyprididae. Distribution: East Asia: Amur River basin (Russia) endemic. Habitat: freshwater.

bea, Opsarichthys Nguyen [T. T.] 1987:32, Fig. 3 [Tap Chí Sinh Hoc (Journal of Biology) v. 9 (no. 2); ref. 17718] Nghe-Tinh Province, Khe Bo, Vietnam. Holotype: Fac. Pédagogie, Vinh, Kb 224. Correct spelling of original genus is Opsariichthys, not Opsarichthys. •Valid as Opsariichthys bea Nguyen 1987 -- (Kottelat 2001:33 [ref. 25482], Chen et al. 2009;175 [ref. 30298]). •Possibly a Parazacco -- (Huynh & Chen 2014:143 [ref. 33158]). Current status: Uncertain as Opsariichthys bea Nguyen 1987. Xenocyprididae. Distribution: Vietnam. 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], Chen et al. 2024:11 [ref. 41608], Peng et al. 2024:29 [ref. 41610]). 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). IUCN (2022): Least Concern. 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.

brevistomatus, Opsariichthys Nguyen [V. H.], Nguyen [T. H. T.], Do [V. T.] & Nguyen [T. D. P.] 2012:18, Fig. 3 [Newsletter Research Institute for Aquaculture No. 1, issue 5; ref. 33000] •Not available, no designation of a holotype. •Questionably in the synonymy of Opsariichthys bidens Günther 1873 -- (Kottelat 2013:130 [ref. 32989]). Current status: Unknown. Xenocyprididae. Distribution: Dakrong district, Quang Tri province, Vietnam.

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.

chengtui, Zacco Kimura [Sh.] 1934:44, Pl. 2 (fig. 1) [Journal of the Shanghai Science Institute Section 3, v. 1; ref. 16434] Peng-hsien, near Chengtu, Szechwan Province, China. Holotype: 155-mm specimen (whereabouts unknown). Paratypes: (2) whereabouts unknown. •Valid as Zacco chengtui Kimura 1934 -- (Yang & Hwang 1964:46 [ref. 13497], Bănărescu 1968:307 [ref. 20605], Ding 1994:127 [ref. 21531], Zhu 1995:26 [ref. 25213], Chen & Chu in Chen et al. 1998:43 [ref. 23878], Yue & Chen 1998:66 [ref. 26415], Sado & Kimura 2002:353 [ref. 26498], Zhang et al. 2016:51 [ref. 34477]). •Valid as Opsariichthys chengtui (Kimura 1934) -- (Wang et al. 2019:[6] [ref. 36521], Guo 2021:89 [ref. 38617], Peng et al. 2024:28 [ref. 41610]). Current status: Valid as Opsariichthys chengtui (Kimura 1934). Xenocyprididae. Distribution: East Asia: upper Yangtze River basin, Sichuan Province, China. Habitat: freshwater.

dienbienensis, Opsariichthys Nguyen [V. H.] & Nguyen [H. D.] 2000:14, Figs. 3-4 [Tap Chí Sinh Hoc (Journal of Biology) v. 22 (no. 4); ref. 26614] Nam Rom River, Dien Bien Phu, Lai Chau Province, Vietnam. Holotype: ARI I: H.01.15.03.01. Paratypes: H.01.15.03.02 (1), H.01.99.03.01 (1); HNNU P.02.01.03.99 (1), P.02.02.03.99 (1), P.02.0.03.99 [?P.02.03.03.99] (1). •Questionably a synonym of Opsariichthys bidens Günther 1873 -- (Kottelat 2013:130 [ref. 32989]). •Valid as Opsariichthys dienbienensis Nguyen & Nguyen 2000 -- (Chen et al. 2009:175 [ref. 30298], Huynh & Chen 2014:142 [ref. 33158], Peng et al. 2024:29 [ref. 41610]). •Synonym of Opsariichthys hainanensis Nichols & Pope 1927 -- (Endruweit 2025:128 [ref. 42401]). Current status: Synonym of Opsariichthys hainanensis Nichols & Pope 1927. Xenocyprididae. Habitat: freshwater.

dorsoarcus, Opsariichthys Nguyen [V. H.], Nguyen [T. H. T.], Do [V. T.] & Nguyen [T. D. P.] 2012:18, Fig. 1 (a & b) [Newsletter Research Institute for Aquaculture No. 1, issue 5; ref. 33000] •Not available, no designation of a holotype. Questionably in the synonymy of Opsariichthys bidens Günther 1873 -- (Kottelat 2013:130 [ref. 32989]). Current status: Uncertain as Opsariichthys bidens Günther 1873. Xenocyprididae. Distribution: Dakrong district, Quang Tri province, Vietnam.

duchuunguyeni, Opsariichthys Huynh [T. Q.] & Chen [I-S.] 2014:136, Figs. 1-2 [Journal of Marine Science and Technology v. 21, Supplement [for 2013]; ref. 33158] Ky Cung River, Ky Chun -- Bang Giang river basin, Chi Lang commune, Trang Dinh district, Lang Son Province, Vietnam, 22°17'20.7"N, 106°27'30.0"E. Holotype: NTOUP-2013-10-186. Paratypes: NTOU P-2013-10-185 (3), -187 (1). •Valid as Opsariichthys duchuunguyeni Huynh & Chen 2014 -- (Wang et al. 2019:[6] [ref. 36521], Chen et al. 2024:11 [ref. 41608], Peng et al. 2024:28 [ref. 41610]). Current status: Valid as Opsariichthys duchuunguyeni Huynh & Chen 2014. Xenocyprididae. Distribution: Southeast Asia: Ky Cung River drainage, northern Vietnam and upper Pearl River basin, Guangxi Province, China. Habitat: freshwater.

evolans, Zacco Jordan [D. S.] & Evermann [B. W.] 1902:322, Fig. 5 [Proceedings of the United States National Museum v. 25 (no. 1289); ref. 2447] Taihoku [Taipei], Taiwan. Holotype: CAS-SU 7129. Paratypes: CAS-SU 7271 (1), 7333 (1). Type catalog: Böhlke 1953:39 [ref. 12291], Ho & Shao 2011:31 [ref. 31432]. •Synonym of Zacco platypus (Temminck & Schlegel 1846) -- (Yang & Hwang 1964:49 [ref. 13497], Wang et al. 1997:170 [ref. 25517], Chen & Chu in Chen et al. 1998:41 [ref. 23878]). •Valid as Opsariichthys evolans (Jordan & Evermann 1902) -- (Chen et al. 2009:168 [ref. 30298], Ho & Shao 2011:31 [ref. 31432], Huynh & Chen 2014:143 [ref. 33158], Zhang et al. 2016:50 [ref. 34477], Wang et al. 2019:[11] [ref. 36521], Chen et al. 2024:11 [ref. 41608], Peng et al. 2024:28 [ref. 41610], Zhao & Xu 2025:453 [ref. 42114]). Current status: Valid as Opsariichthys evolans (Jordan & Evermann 1902). Xenocyprididae. Distribution: East Asia: northern Taiwan and southeast coastal areas, Guangdong Province, China. 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], Chen et al. 2024:11 [ref. 41608], Peng et al. 2024:29 [ref. 41610], Endruweit 2025:128 [ref. 42401]). Current status: Valid as Opsariichthys hainanensis Nichols & Pope 1927. Xenocyprididae. Distribution: Southeast Asia: Red River system to Pearl River drainage (China, Vietnam) and Hainan Island (China). Habitat: freshwater.

hieni, Opsarichthys Nguyen [T. T.] 1987:32, Fig. 2 [Tap Chí Sinh Hoc (Journal of Biology) v. 9 (no. 2); ref. 17718] Huong Son, Nghe-Tinh [Tin] Province, Vietnam. Holotype: Fac. Pédagogie, Vinh H.S 159. Correct spelling of genus is Opsariichthys. •Valid as Opsariichthys hieni Nguyen 1987 -- (Nguyen & Nguyen 2000:12 [ref. 26614], Chen et al. 2009;175 [ref. 30298] as heini). •Possible a Rasbora -- (Huynh & Chen 2014:143 [ref. 33158]). •Questionably a synonym of Rasbora steineri Nichols & Pope 1927 -- (Kottelat 2013:155 [ref. 32989]). Current status: Uncertain as Opsariichthys hieni Nguyen 1987. Xenocyprididae. Distribution: Vietnam (if valid). Habitat: freshwater.

iridescens, Opsariichthys Peng [X.], Zhou [J.-J.] & Yang [J.-Q.] in Peng, Zhou, Gao & Yang 2024:20, Figs. 2, 3A-B, 4 [ZooKeys No. 1214; ref. 41610] Qiantang River, Lin'an District, Hangzhou City, Zhejiang Province, China, 30.2368°N, 119.7196°E. Holotype: SOU 202210001. Paratypes: SOU. •Valid as Opsariichthys iridescens Peng, Zhou & Yang 2024. Current status: Valid as Opsariichthys iridescens Peng, Zhou & Yang 2024. Xenocyprididae. Distribution: East Asia: Qiantang, Oujiang and lower Yangtze River drainages, Zhejiang Province, China. Habitat: freshwater.

jishuiensis, Opsariichthys Zhao [L.-M.] & Xu [X.-J.] 2025:449, Figs. 1-3 [Sichuan Journal of Zoology v. 44 (no. 4); ref. 42114] Dayu River, Yellow River basin, Xiping Village, Wangwu Town, Jiyuan City, Henan Province, China, 35.19154394°N, 112.33477663°E. Holotype: HFTES 23092615. Paratypes: (19) HFTES. •Valid as Opsariichthys jishuiensis Zhao & Xu 2025. Current status: Valid as Opsariichthys jishuiensis Zhao & Xu 2025. Xenocyprididae. Distribution: East Asia: upper Dayu and Dawen River drainages, Yellow River basin, Henan Province, China. Habitat: freshwater.

kaopingensis, Opsariichthys Chen [I-S.] & Wu [J.-H.] in Chen, Wu & Huang 2009:172, Figs. 3D-F, 5 [Environmental Biology of Fishes v. 86; ref. 30298] Kaoping River, Pingtung County, Taiwan. Holotype: NMMBP 6965. Paratypes: (117) at ASIZP and NMMBP Type catalog: Ho & Shao 2011:29 [ref. 31432]. •Valid as Opsariichthys kaopingensis Chen & Wu 2009 -- (Ho & Shao 2011:29 [ref. 31432], Huynh & Chen 2014:144 [ref. 33158], Zhang et al. 2016:50 [ref. 34477] with authorship as Chen & Wu, Wang et al. 2019:[6] [ref. 36521], Peng et al. 2024:28 [ref. 41610]). Current status: Valid as Opsariichthys kaopingensis Chen & Wu 2009. Xenocyprididae. Distribution: East Asia: southern Taiwan. Habitat: freshwater.

longianalis, Opsariichthys Nguyen [V. H.], Nguyen [T. H. T.], Do [V. T.] & Nguyen [T. D. P.] 2012:18, Fig. 2 [Newsletter Research Institute for Aquaculture No. 1, issue 5; ref. 33000] •Not available, no designation of a holotype. •Questionably in the synonymy of Opsariichthys bidens Günther 1873 -- (Kottelat 2013:130 [ref. 32989]). Current status: Uncertain as Opsariichthys bidens Günther 1873. Xenocyprididae. Distribution: Dakrong district, Quang Tri province, Vietnam.

macrolepis, Zacco Yang [Y.-J.] & Hwang [H.-C.] 1964:46, Fig. 1-33 [The cyprinid fishes of China v. 1; ref. 13497] Fujian, Sichuan, and Hebei Provinces, China. Syntypes: IHB (14). Second author also seen as Huang. •Valid as Zacco macrolepis Yang & Hwang 1964 -- (Bănărescu 1968:308 [ref. 20605]). •Synonym of Zacco platypus (Temminck & Schlegel 1846) -- (Kuang in Chu & Chen 1989:30 [ref. 13584], Zheng et al. 1989:67 [ref. 21202], Chen in Chen 1998:98 [ref. 23556], Chen & Chu in Chen et al. 1998:42 [ref. 23878]). •Synonym of Zacco acutipinnis (Bleeker 1871) -- (Kottelat 2013:171 [ref. 32989]). •Valid as Opsariichthys acutipinnis macrolepis (Yang & Hwang 1964) -- (Guo 2021:85 [ref. 38617]). •Valid as Opsariichthys macrolepis (Yang & Hwang 1964) -- (Wang et al. 2019:[7] [ref. 36521], Peng et al. 2024:28 [ref. 41610], Zhao & Xu 2025:453 [ref. 42114]). Current status: Valid as Opsariichthys macrolepis (Yang & Hwang 1964). Xenocyprididae. Distribution: East Asia: upper Yangtze River basin, Sichuan Province, China. Habitat: freshwater.

macrophthalmus, Zacco Kimura [Sh.] 1934:46, Pl. 2 (fig. 2) [Journal of the Shanghai Science Institute Section 3, v. 1; ref. 16434] Peng-hsien, Szechwan Province, China. Holotype (unique): BDSSI (Kottelat's terminology). •Valid as Zacco macrophthalmus Kimura 1934 -- (Yang & Hwang 1964:49 [ref. 13497], Bănărescu 1968:307 [ref. 20605]). •Synonym of Zacco platypus (Temminck & Schlegel 1846) -- (Kuang in Chu & Chen 1989:30 [ref. 13584], Chen in Chen 1998:98 [ref. 23556], Chen & Chu in Chen et al. 1998:42 [ref. 23878], Zhang et al. 2016:52 [ref. 34477]). •Synonym of Zacco acutipinnis (Bleeker 1871) -- (Kottelat 2013:171 [ref. 32989]). •Synonym of Opsariichthys acutipinnis (Bleeker 1871). Current status: Synonym of Opsariichthys acutipinnis (Bleeker 1871). Xenocyprididae. 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], Peng et al. 2024:29 [ref. 41610]). Current status: Valid as Opsariichthys minutus Nichols 1926. Xenocyprididae. Distribution: East 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.

pachycephalus, Opsariichthys Günther [A.] 1868:296 [Catalogue of the fishes in the British Museum v. 7; ref. 1990] Taiwan. Syntypes: (at least 6) BMNH 1865.5.2.31-34 (4), 1865.5.2.60 (1). Type catalog: Ho & Shao 2011:29 [ref. 31432]. •Synonym of Zacco temmincki (Temminck & Schlegel 1846). •Valid as Zacco pachycephalus (Günther 1868) -- (Bănărescu 1968:306 [ref. 20605], Zhu 1995:26 [ref. 25213], Wang et al. 1997:170 [ref. 25517], Chen & Chu in Chen et al. 1998:45 [ref. 23878], Sado & Kimura 2002:353 [ref. 26498], Ma et al. 2006:343 [ref. 28735], Chen et al. 2009 [ref. 30298]). •Valid as Opsariichthys pachycephalus Günther 1868 -- (Chen et al. 2009:170 [ref. 30298], Ho & Shao 2011:29 [ref. 31432], Huynh & Chen 2014:143 [ref. 33158], Zhang et al. 2016:50 [ref. 34477] [not China], Wang et al. 2019:[6] [ref. 36521], Peng et al. 2024:28 [ref. 41610]). Current status: Valid as Opsariichthys pachycephalus Günther 1868. Xenocyprididae. Distribution: East Asia: Taiwan. Habitat: freshwater.

panwingi, Squaliobarbus Lin [S.-Y.] 1932:381 [Lingnan Science Journal, Canton v. 11 (no. 3); ref. 2780] White Cloud Mountain, Kwangtung, China. Holotype: FESC (now at PRFRI) 1099. Paratypes: (1). •Synonym of Zacco acutipinnis (Bleeker 1871) -- (Kottelat 2013:171 [ref. 32989]). •Synonym of Zacco platypus (Temminck & Schlegel 1846) -- (Yang & Hwang 1964:50 [ref. 13497], Zheng et al. 1989:67 [ref. 21202], Chen & Chu in Chen et al. 1998:41 [ref. 23878], Zhang et al. 2016:52 [ref. 34477]). •Synonym of Opsariichthys acutipinnis (Bleeker 1871). Current status: Synonym of Opsariichthys acutipinnis (Bleeker 1871). Xenocyprididae. Habitat: freshwater.

rubriventris, Opsariichthys Chen [J.‑B.], Li [Y.‑T.], Zhou [J.‑J.] & Wang [J.‑J.] in Chen, Li, Zhou, Li, Weng, Lin & Wang 2024:4, Figs. 3, 4a-b [Diversity v. 16; ref. 41608] Huizhou City, Guangdong Province, China. Holotype: DBSCNU 202404001. Paratypes: DBSCNU 202404002-009 (8). •Valid as Opsariichthys rubriventris Chen, Li, Zhou & Wang 2024. Current status: Valid as Opsariichthys rubriventris Chen, Li, Zhou & Wang 2024. Xenocyprididae. Distribution: East Asia: Xizhijiang River drainage, lower Pearl River basin, Guangdong Province, China. Habitat: freshwater.

songmaensis, Opsariichthys Nguyen [V. H.] & Nguyen [H. D.] 2000:12, Figs. 1-2 [Tap Chí Sinh Hoc (Journal of Biology) v. 22 (no. 4); ref. 26614] Song Ma (Ma River), Song Ma town, Song Ma County, Son La Province, Vietnam. Holotype: ARI I: H.01.15.02.01. Paratypes: H.01.15.02.02-03 (2); HNNU LM P.01.01.12.199 (1), P.01.02.12.99 (1), P.01.03.12.99 (1). •Questionably in the synonymy of Opsariichthys bidens Günther 1873 -- (Kottelat 2013:130 [ref. 32989]). •Valid as Opsariichthys songmaensis Nguyen & Nguyen 2000 -- (Chen et al. 2009:175 [ref. 30298], Huynh & Chen 2014:143 [ref. 33158], Peng et al. 2024:29 [ref. 41610]). •Synonym of Opsariichthys hainanensis Nichols & Pope 1927 -- (Endruweit 2025:128 [ref. 42401]). Current status: Synonym of Opsariichthys hainanensis Nichbols & Pope 1927. Xenocyprididae. Habitat: freshwater.

taiwanensis, Zacco Chen [Y.-Y.] 1982:296 [English p. 299], Fig. 2 [Oceanologia et Limnologia Sinica v. 13 (no. 3); ref. 824] Lake Candidius, Taiwan. Syntypes: IHASW 750099 (1), 750101-06 (6). Type catalog: Ho & Shao 2011:31 [ref. 31432]. •Valid as Zacco taiwanensis Chen 1982 -- (Zhu 1995:26 [ref. 25213], Chen & Chu in Chen et al. 1998:44 [ref. 23878], Sado & Kimura 2002:353 [ref. 26498]). •Synonym of Opsariichthys pachycephalus Günther 1868 -- (Chen et al. 2009:170 [ref. 30298], Ho & Shao 2011:31 [ref. 31432], Zhang et al. 2016:50 [ref. 34477] [not China]). Current status: Synonym of Opsariichthys pachycephalus Günther 1868. 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], Peng et al. 2024:28 [ref. 41610]). Current status: Valid as Opsariichthys uncirostris (Temminck & Schlegel 1846). Xenocyprididae. Distribution: East Asia: Japan and Korea. Habitat: freshwater.