metallicus, Esomus Ahl [E.] 1924:42 [Mitteilungen aus dem Zoologischen Museum in Berlin v. 11 (no. 1); ref. 19932] Phet Buri [Petchaburi], Thailand. Syntypes: ZMB 7686 (1), 21913 [ex ZMB 7686] (6). Type catalog: Monkolprasit 1969:6 [ref. 25088]. Types mentioned: Paepke 1995:90 [ref. 21847]. •Valid as Esomus metallicus Ahl 1924 -- (Rainboth 1996:74 [ref. 22772], Doi 1997:5 [ref. 22832], Kottelat 1998:29 [ref. 23436], Freyhof et al. 2000:94 [ref. 25184], Kottelat 2001:50 [ref. 25780], Grinang & Lim 2004:288 [ref. 28551], Arbsuwan et al. 2013:59 [ref. 32712], Kottelat 2013:102 [ref. 32989], Kottelat 2015:41 [ref. 33971], Ng et al. 2019:526 [ref. 36606], Fu et al. 2021:9569 [ref. 39347], Taki et al. 2021:93 [ref. 39830], Jamaluddin et al. 2022:[5] [ref. 39245]). Current status: Valid as Esomus metallicus Ahl 1924. Danionidae: Esominae. Distribution: Southeast Asia: Malay Peninsula, Myanmar, Laos, Thailand, Cambodia and Vietnam; introduced in Sumatra. Habitat: freshwater.