cuyuni, Astyanax Ruiz-C [R. I.], Román-Valencia [C.] & Taphorn [D. C.] 2023:124, Figs. 5B, 17-19 [Journal of Aquaculture & Marine Biology v. 12 (no. 2); ref. 39815] Creek in forest of Parapapoy River, Essequibo/Cuyuni River drainage, Departamento Roscio, Bolivar State, Venezuela. Holotype: MCNG 56442. Paratypes: AUM, MBUCV, MCNG. Holotype in Fig. 17 misprinted as MCNG 56441. •Valid as Astyanax cuyuni Ruiz-C, Román-Valencia & Taphorn 2023. Current status: Valid as Astyanax cuyuni Ruiz-C, Román-Valencia & Taphorn 2023. Characidae: Stethaprioninae. Distribution: South America: Cuyuni River drainage, Essequibo River basin, Venezuela and possibly adjacent Guyana. Habitat: freshwater.