schreitmuelleri, Metynnis calichromus Ahl [E.] in Schreitmüller & Ahl 1922:265, Abb. 1 [Wochenschrift für Aquarien- und Terrarienkunde v. 19 (no. 14); ref. 21848] Amazon River, South America. Holotype (unique): ZMB 20664. Types mentioned: Paepke 1995:92 [ref. 21847]. Original as Schreitmülleri. Also in Ahl 1923:19 [ref. 19929]. •Synonym of Metynnis hypsauchen (Müller & Troschel 1844) -- (Zarske & Géry 1999:196 [ref. 23984], Jégu in Reis et al. 2003:184 [ref. 27061], Zarske & Géry 2008:190 [ref. 29917], Ota et al. 2024:407 [ref. 40817]). Current status: Synonym of Metynnis hypsauchen (Müller & Troschel 1844). Serrasalmidae: Serrasalminae. Habitat: freshwater.