gaiophanes, Trachelyichthys Calegari [B. B.], Akama [A.], Ferraris Jr. [C.] & Reis [R. E.] 2026:14, Figs. 7-8A [Neotropical Ichthyology v. 24 (no. 2): 250200; ref. 43281] Lake at bank of rio Negro, Amazon basin, Paricatuba, Santa Isabel do rio Negro, Amazonas, Brazil, circa 00°31'S, 65°01'W. Holotype: MZUSP 57485. Paratypes: MCP, MZUSP. •Valid as Trachelyichthys gaiophanes Calegari, Akama, Ferraris & Reis 2026. Current status: Valid as Trachelyichthys gaiophanes Calegari, Akama, Ferraris & Reis 2026. Auchenipteridae: Auchenipterinae. Distribution: South America: upper Negro River drainage, Amazon River basin, Brazil. Habitat: freshwater.