iota, Scolichthys Rosen [D. E.] 1967:9, Figs. 1, 7-11 [American Museum Novitates No. 2303; ref. 3808] Tiny creek emptying into River Chajmayic, Alta Verapaz, Guatemala. Holotype: AMNH 22716. Paratypes: AMNH 22717 (142, 4 c&s). •Valid as Scolichthys iota Rosen 1967 -- (Lucinda in Reis et al. 2003:572 [ref. 27061], Lucinda & Reis 2005:41 [ref. 29205], Meyer 2015:355 [ref. 34698], Huber 2019:140 [ref. 36941], Barrientos et al. 2023:274 [ref. 41235], Quintana 2024:8 [ref. 41186]). Current status: Valid as Scolichthys iota Rosen 1967. Poeciliidae: Poeciliinae. Distribution: Central America: Chajmaic River basin, Alta Verapaz (Guatemala) endemic. Habitat: freshwater.