ariel, Priocharax Weitzman [S. H.] & Vari [R. P.] 1987:641, Figs. 1-5 [Proceedings of the Biological Society of Washington v. 100 (no. 3); ref. 6055] Caño Manu, tributary of River Casiquiare, Río Negro, Amazonas, Venezuela, 2°00'N, 66°57'W. Holotype: MBUCV-V-15340. Paratypes: (1758) AMNH 57007-08 (25, 1); BMNH 1986.2.4.1-25 (25); CAS 57944 (25); FMNH 96689 (25); MBUCV-V-15341 (100); MCP; MCZ 63031 (25); MHNG; MNHN 1986-0303; MZUSP; NRM 28629 (50); NMW 81788 (25); UMMZ 213500 (35, 10 c&s); USNM 272613 thru 272619 (1249, 40 c&s; now 5 in MZUSP 55142). Type catalog: Vari & Howe 1991:34 [ref. 19022], Oyakawa 1996:491 [ref. 23140], Provenzano et al. 1998:14 [ref. 24196]. •Valid as Priocharax ariel Weitzman & Vari 1987 -- (Géry & Römer 1997:70 [ref. 23712], Lima & Toledo-Piza 2001:1062 [ref. 25823], Lucena & Menezes in Reis et al. 2003:204 [ref. 27061], Toledo-Piza et al. 2014:237 [ref. 33370], Mattox et al. 2020:432 [ref. 37712], Mattox et al. 2021:15 [ref. 38426], Mattox et al. 2022:598 [ref. 39274], Mattox et al. 2023:15 [ref. 39984]). Current status: Valid as Priocharax ariel Weitzman & Vari 1987. Acestrorhynchidae: Heterocharacinae. Distribution: South America: Negro and Orinoco River basins (Venezuela and Brazil). Habitat: freshwater.