speciosus, Rivulus Fels [J. F.] & de Rham [P.] 1981:66, Fig. [Revue française d'Aquariologie Herpétologie v. 8 (no. 3); ref. 8607] Quisto Cocha, 3°56'S, 72°24'W, 18 kilometers from Iquitos on Iquitos-Nauta Road, Peru. Holotype: MHNG 2079.68. Paratypes: MHNG 2079.69 to .76 (8), MNHN 1981-1271 (3). Type catalog: Weber 1998:12 [ref. 32707]. •Valid as Rivulus speciosus Fels & de Rham 1981 -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1992:403 [ref. 20639], Lazara 2001:284 [ref. 25711], Costa in Reis et al. 2003:539 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Huber 2021:9 [ref. 38709]). •Valid as Anablepsoides speciosus (Fels & de Rham 1981) -- (Costa 2011:243 [ref. 31655], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Anablepsoides speciosus (Fels & de Rham 1981). Rivulidae: Rivulinae. Distribution: South America: middle Amazon River basin (Peru). Habitat: freshwater.