melas, Brachyglanis Eigenmann [C. H.] 1912:157, Pl. 11 (fig. 2) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Crab Falls, Essequibo River, Guyana. Holotype: FMNH 53217 [ex CM 1672]. Paratypes: (12, CM and IU) BMNH 1911.10.31.62 (1); CAS 63391 [ex IU 12053] (2), 63392 [ex IU 12054] (1); FMNH 53218 (2), 53569-70 (1, 1); MCZ 30084 (1); CAS-SU 21905 (1, missing); USNM 66124 [ex CM] (1). Type catalog: Henn 1928:75 [ref. 12305], Böhlke 1953:43 [ref. 12291], Ibarra & Stewart 1987:17 [ref. 12367], Ferraris & Vari 1992:32 [ref. 19771], Ferraris 2007:181 [ref. 29155]. •Valid as Brachyglanis melas Eigenmann 1912 -- (Burgess 1989:276 [ref. 12860], Bockmann & Guazzelli in Reis et al. 2003:410 [ref. 27061], Ferraris 2007:181 [ref. 29155], Taphorn et al. 2022:48 [ref. 41297]). Current status: Valid as Brachyglanis melas Eigenmann 1912. Heptapteridae: Heptapterinae. Distribution: South America: Essequibo River basin (Guyana) endemic. Habitat: freshwater.