langui, Orestias Tchernavin [V. V.] 1944:192, Figs. 13a-c [Proceedings of the Zoological Society of London v. 114 (pts 1-2); ref. 13185] Vila de Langiu, Río Urubamba streams, Peru. Syntypes: BMNH 1944.6.6.152-156 (5). •Synonym of Orestias agassii Valenciennes 1846 -- (Parenti 1984:182 [ref. 5359], Lazara 2001:234 [ref. 25711] as agassizii, Costa in Reis et al. 2003:551 [ref. 27061] as agassizii). Current status: Synonym of Orestias agassii Valenciennes 1846. Cyprinodontidae: Orestiinae. Habitat: freshwater.