nanonocticolus, Gelanoglanis Soares-Porto [L. M.], Walsh [S. J.], Nico [L. G.] & Netto [J. M.] 1999:65, Fig. 1 [Ichthyological Exploration of Freshwaters v. 10 (no. 1); ref. 23671] Río Asisa, 22-30 kilometers upstream from confluence with Río Paru, Río Ventuari drainage, Orinoco River basin, about 4°33'N, 65°54'W, elevation 115 meters. Holotype: MCNG 22690. Paratypes: MCNG 36442 (1), MZUSP 28308 (2), UF 105681 (1), USNM 347131 (1). Type catalog: Ferraris 2007:74 [ref. 29155]. •Valid as Gelanoglanis nanonocticolus Soares-Porto, Walsh, Nico & Netto 1999 -- (Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris 2007:74 [ref. 29155], Rengifo et al. 2008:183 [ref. 29738], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Calegari et al. 2014:705 [ref. 33611], Calegari & Reis 2016:7 [1708], 9 [1710] [ref. 34846], Calegari et al. 2019:[74] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Gelanoglanis nanonocticolus Soares-Porto, Walsh, Nico & Netto 1999. Auchenipteridae: Centromochlinae. Distribution: Asisa River drainage, Orinoco River basin and Negro River basin: Brazil and Venezuela. Habitat: freshwater.