heyei, Rivulus Nichols [J. T.] 1914:143 [Bulletin of the American Museum of Natural History v. 33 (art. 10); ref. 14159] Saona Island, Dominican Republic, West Indies. Holotype (unique): AMNH 5069. •Valid as Rivulus heyei Nichols 1914 -- (Lee et al. 1983:59 [ref. 22527]). •Synonym of Rivulus ocellatus Hensel 1868 -- (Huber 1992:236 [ref. 20639]). •Synonym of Rivulus marmoratus Poey 1880 -- (Lazara 2001:280 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061]). •Possibly valid, in Cryptolebias -- (Costa 2004:115 [ref. 27763]). •Possilby valid in Kryptolebias -- (Costa 2004:107 [ref. 28584]). •Synonym of Kryptolebias marmoratus (Poey 1880) -- (Costa 2016:189 [ref. 34932], Faloh-Gandarilla et al. 2016:7 [ref. 35177]). Current status: Synonym of Kryptolebias marmoratus (Poey 1880). Rivulidae: Kryptolebiatinae. Habitat: freshwater, brackish.