rubripunctatus, Rivulus isthmensis Bussing [W. A.] 1980:334, Figs. 1C, 3D, 4D [Brenesia No. 17; ref. 8732] Pond 1/2 kilometer southwest of Puerto Vargas, Punta Cahuita, Limón Province, Costa Rica, elevation 2 meters. Holotype: LACM 38278-1. Paratypes: LACM 38278-2 (20); UCR 212-1 (28), 791-1 (4), 892-1 (147), 892-2 (22), 893-6 (1), 894-1 (1), 896-1 (10), 897-1 (23), 1017-4 (1), 1018-1 (8); USNM 219777 (10). Type catalog: Angulo et al. 2015:373 [ref. 35212]. •Status uncertain -- (Huber 1992:388 [ref. 20639]). •Synonym of Rivulus isthmensis Garman 1895, but a valid subspecies as described -- (Bussing 1998:177 [ref. 24179], Lazara 2001:278 [ref. 25711]). •Valid as Rivulus rubripunctatus Bussing 1980 -- (Berkenkamp & Etzel 1999:64 [ref. 23985], Costa in Reis et al. 2003:539 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Cynodonichthys rubripunctatus (Bussing 1980) -- (Costa 2011:242 [ref. 31655], Angulo et al. 2013:995 [ref. 33194]). Current status: Valid as Cynodonichthys rubripunctatus (Bussing 1980). Rivulidae: Rivulinae. Distribution: Atlantic river basins, Costa Rica. Habitat: freshwater.