rerio, Cyprinus Hamilton [F.] 1822:323, 390 [An account of the fishes found in the river Ganges; ref. 2031] Nathpur, Kosi River, Uttar Pradesh, India. No types known. Information on type locality see Britz 2019:46 [ref. 37532]. Hamilton's original, unpublished illustration reproduced by Britz 2019:Pl. 193 [ref. 37532]. •Valid as Brachydanio rerio (Hamilton 1822) -- (Talwar & Jhingran 1991:360 [ref. 20764], Sen 1995:528 [ref. 23778], Sen 1999:195 [ref. 24750], Rafique 2000:323 [ref. 25220], Kundu 2000:95 [ref. 25663], Karmakar 2000:27 [ref. 25662], Rafique et al. 2003:97 [ref. 27173], Yadav 2003:8 [ref. 27711], Sen 2007:27 [ref. 29657], Shrestha 2008:97 [ref. 29923]). •Valid as Danio rerio (Hamilton 1822) -- (Shrestha 1978:35 [ref. 15970], Ataur Rahman 1989:101 [ref. 24860], Barman 1991:57 [ref. 22192], Fang 1998:276 [ref. 23299], Fang & Kottelat 1999:294 [ref. 24228], Rema Devi et al. 1999:154 [ref. 24758], Menon 1999:45 [ref. 24904], Fuller et al. 1999:51 [ref. 25838], Fang 2000:25 [ref. 24479], Fang 2000:219 [ref. 25107], Fang 2001:16 [ref. 25285], Sanger & McCune 2002:531 [ref. 26219], Lim et al. 2002:66 [ref. 28310], Fang 2003:717 [ref. 27255], Mirza 2003:5 [ref. 27265], Yadav 2003:8 [ref. 27711], Ataur Rahman 2003:118 [ref. 31338], Britz et al. 2009:1 [ref. 30115], Kullander & Fang 2009:47 [ref. 30285], Kullander et al. 2009:197 [ref. 30704], Britz et al. 2012:332 [ref. 31754], Ahmed et al. 2013:285 [ref. 32872], Gurung et al. 2013:4882 [ref. 32969], Kullander & Britz 2015:246 [ref. 33764], Kullander & Norén 2016:544 [ref. 34857], Bleher 2018:398 [ref. 36647], Jamandre 2023:165 [ref. 40455]). Current status: Valid as Danio rerio (Hamilton 1822). Danionidae: Danioninae. Distribution: South Asia: Ganges River basin (India, Nepal, Bhutan and Bangladesh). Introduced elsewhere. Habitat: freshwater.