Xenophallus umbratilis (Meek 1912). Umbrela Livebearer; Olomina, Alumina, Pepesca, Olomina Sombrilla Vouchers: UCR 0024-003 (22), 0062-003 (12), 0538-005 (1), 0539-008 (1), 0540-003 (3), 0543-004 (5), 0548-001 (1), 1003-004 (6), 1004-004 (10), 1050-002 (22), 1051-012 (107), 1052-013 (21), 1054-015 (13), 1055-008 (1) and 1057-007 (3); other collections: TU 202733 (8). Distribution: Central America; from southern Nicaragua to northern Costa Rica, Atlantic drainages; (Nicaragua) To, Sa, SJ, RF and LN (Atlantic); 0–350 masl; Sec, Dia, Amp. Occurrence and conservation status: Nat; VU B1ab(iii) (2020), population trend unknown. Literature: Astorqui (1975: 110; brief description, including illustrations and an identification key, and information on distribution and ecology), Villa (1982: 131; detailed description, including illustrations and an identification key, and information on distribution and ecology), Bussing (1998: 210, as Neoheterandria umbratilis —synonym; brief description, including illustrations and an identification key, and information on distribution, with a map, and ecology) and Angulo (2021: 57; listed, including information on distribution).

Published as part of Angulo, Arturo, Betts, Joel T., González-Alemán, Néstor J., Castañeda, Edgar, Berghe, Eric Van Den, Elías, Diego J., Mcmahan, Caleb D. & Matamoros, Wilfredo A., 2023, Continental fishes of Nicaragua: diversity, distribution and conservation status; with an annotated and illustrated checklist of species and an identification guide to families, pp. 1-89 in Zootaxa 5376 (1) on page 63, DOI: 10.11646/zootaxa.5376.1.1, http://zenodo.org/record/10208788