volcanus, Rivulus Hildebrand [S. F.] 1938:316, Fig. 8 [Field Museum of Natural History, Publications, Zoölogical Series v. 22 (no. 4); ref. 12363] Laguna Grande (Davis) near Volcán, Río Chiriquí Viejo basin, Panama. Holotype: USNM 106509. Paratypes: FMNH 36663-72 (10), USNM 109120 (29). Type catalog: Ibarra & Stewart 1987:76 [ref. 12367], Huber 1992 [ref. 20639]). •Synonym of Rivulus hildebrandi Myers 1927 -- (Bussing 1980:330 [ref. 8732], Huber 1992:448 [ref. 20639], Etzel & Berkenkamp 1992:29 [ref. 32437], Lazara 2001:276 [ref. 25711], Costa in Reis et al. 2003:536 [ref. 27061]). •Synonym of Cynodonichthys hildebrandi (Myers 1927). Current status: Synonym of Cynodonichthys hildebrandi (Myers 1927). Rivulidae: Rivulinae. Habitat: freshwater.