Brachyrhaphis olomina (Meek, 1914) .

Olomina Livebearer; Olomina, Alumina, Pepesca.

Distribution: Global: Middle America; from (probably) southern Nicaragua to central Costa Rica, Atlantic and Pacific drainages; Costa Rica: LN, Pa (Atlantic), Ni, Te, Be, Ba and Ta (Pacific), 10–1486 m.a.s.l., Sec, Pot.

Occurrence and conservation status: End, DD.

References: Bussing (1998: 198; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology) and Angulo et al. (2013: 996; listed, including taxonomic information and distributional data).