blennioides, Characidium Eigenmann [C. H.] 1909:37 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Erukin River, tributary of Potaro River above Kangaruma, Mazaruni-Potaro District, Guyana. Holotype: FMNH 71043 [Cex M 1144]. Paratypes: (39, CM and IU) BMNH 1911.10.31.165 (1), CAS 40923-27 [ex IU 40923-27] (2, 1, 2, 2, 4); CAS-SU 21911 (1); USNM 66129 (1); FMNH 7313 (1), 52757-59 (1, 4, 4), 69688 (1), 72629-31 (2, 1, 2), 75958 (3); MCZ 29932 (1); NMW 62674 (1); ZMA 100988 (1). Type catalog: Henn 1928:55 [ref. 12305], Böhlke 1953:22 [ref. 12291], Nijssen et al. 1982:16 [ref. 19236], Ibarra & Stewart 1987:22 [ref. 12367], Vari & Howe 1991:11 [ref. 19022]. •See Planquette et al. 1996:348 [ref. 22818]. •Valid as Melanocharacidium blennioides (Eigenmann 1909) -- (Buckup 1993:113 [ref. 20831], Buckup in Reis et al. 2003:92 [ref. 27061], Sarmiento et al. 2014:186 [ref. 35004], Melo et al. 2016:132 [ref. 34701] as cf. blennioides, Borstein et al. 2022:16 [ref. 39507], Taphorn et al. 2022:21 [ref. 41297]). Current status: Valid as Melanocharacidium blennioides (Eigenmann 1909). Crenuchidae: Characidiinae. Distribution: South America: Essequibo River basin, coastal streams of northern South America (Guyana, Suriname, Bolivia, French Guiana and Venezuela; ?Brazil). Habitat: freshwater.