gracilis, Orestias Parenti [L. R.] 1984:172, Fig. 37 [Bulletin of the American Museum of Natural History v. 178 (art. 2); ref. 5359] Northeastern side of Lago Pequeño, village of Huatajata, Lake Titicaca, Bolivia. Holotype: AMNH 52120. Paratypes: AMNH 52121 (3, 1 c&s). Additional material: AMNH 52122-23 (5, 1). •Valid as Orestias gracilis Parenti 1984 -- (Ortega & Vari 1986:19 [ref. 9708], Lazara 2001:237 [ref. 25711], Costa in Reis et al. 2003:551 [ref. 27061], Sarmiento et al. 2014:187 [ref. 35004], Esmaeili et al. 2018:19 [ref. 36738]). Current status: Valid as Orestias gracilis Parenti 1984. Cyprinodontidae: Orestiinae. Distribution: Lake Titicaca: Bolivia and Peru. Habitat: freshwater.