sterbai, Geryichthys Zarske [A.] 1997:159, Figs. 1-3 [Zoologische Abhandlungen; Staatliches Museum für Tierkunde in Dresden v. 49 (no. 2); ref. 23714] Rio Huacamyao, nahe Aguaytia, about 9°00'S, 75°29'W, Loreto Dept., Peru. Holotype: MTD F 17561. Paratypes: Géry coll. 101,1-5 (5); MTD F 17105 (1), F 17562-70 (9), F 17795-846 (52), F 16604-06 (3); ZMH 8873 (1); plus non-type material. Type catalog: Zarske 2003:21 [ref. 27474]. •Valid as Geryichthys sterbai Zarske 1997 -- (Buckup in Reis et al. 2003:92 [ref. 27061]). •Valid as Characidium sterbai (Zarske 1997) -- (Melo et al. 2016:[6] [ref. 34807], Meza-Vargas et al. 2021:20 [ref. 39298]). Current status: Valid as Characidium sterbai (Zarske 1997). Crenuchidae: Characidiinae. Distribution: South America: upper Amazon basin at region of Iquitos and Ucayali River drainage (Brazil and Peru). Habitat: freshwater.