brevis, Rivulus Regan [C. T.] 1912:504 [Annals and Magazine of Natural History (Series 8) v. 10 (no. 59); ref. 3648] Northern Colombia. Holotype (unique): BMNH 1908.5.14.8. •Valid as Rachovia brevis (Regan 1912) -- (Taphorn & Thomerson 1978:389 [ref. 4337], Parenti 1981:486 [ref. 7066], Costa 1998:80 [ref. 23792], Lazara 2001:265 [ref. 25711], Costa in Reis et al. 2003:533 [ref. 27061], DoNascimiento et al. 2017:101 [ref. 35633], Berkenkamp 2020:10 [ref. 37695]). Current status: Valid as Rachovia brevis (Regan 1912). Rivulidae: Rivulinae. Distribution: Magdalena River and Lake Maracaibo basins: Colombia and Venezuela. Habitat: freshwater.