careospinus, Pristobrycon Fink [W. L.] & Machado-Allison [A.] 1992:69, Fig. 20 [Ichthyological Exploration of Freshwaters v. 3 (no. 1); ref. 14548] El Loro lagoon, Río Atabapo, 1 kilometer from San Fernando De Atabapo, Estado Amazonas, Venezuela, 4°00'N, 67°50'W. Holotype (unique): MBUCV-V-8145. Type catalog: Provenzano et al. 1998:14 [ref. 24196]. •Valid as Pristobrycon careospinus Fink & Machado-Allison 1992 -- (Machado-Allison 2002:53 [ref. 27640], Jégu in Reis et al. 2003:188 [ref. 27061], DoNascimiento et al. 2017:37 [ref. 35633]). •Valid as Serrasalmus careospinus (Fink & Machado-Allison 1992) -- (Kolmann et al. 2020:11 [ref. 37721], Ota et al. 2024:423 [ref. 40817]). Current status: Valid as Serrasalmus careospinus (Fink & Machado-Allison 1992). Serrasalmidae: Serrasalminae. Distribution: South America: Amazon and Orinoco River basins, Venezuela and Colombia. Habitat: freshwater.