mate, Scleronema Ferrer [J.] & Malabarba [L. R.] 2020:29, Figs. 5A, 12, 13A [Neotropical Ichthyology v. 18 (no. 2): e190081; ref. 37587] Arroio Grande, tributary of arroio Castelhano, rio Taquari basin, laguna dos Patos system, Venâncio Aires, Rio Grande do Sul State, Brazil, 29°33'S, 52°17'W. Holotype: MCP 54183. Paratypes: LIRP, MCN, MCP, UFRGS. Plus additional non-type material. •Valid as Scleronema mate Ferrer & Malabarba 2020 -- (Ferrer 2021:243 [ref. 38890]). Current status: Valid as Scleronema mate Ferrer & Malabarba 2020. Trichomycteridae: Trichomycterinae. Distribution: South America: Rio Jacuí basin, laguna dos Patos system (Rio Grande do Sul, southern Brazil). Habitat: freshwater.