Family Poeciliidae Secondary Heterandria anzuetoi Rosen & Bailey, 1979 (Chimbolo, Anzueto’s killifish) Hydrographical zone: Río Lempa Departments: Cabañas, Cuscatlán Poecilia butleri Jordan, 1889 (Topote del Pacífico, Pacific molly) Hydrographical zone: Río Jiboa Department: La Paz Poecilia gillii (Kner, 1863) (Olomina, Gill’s molly) Hydrographical zones: Río Lempa, Cara Sucia San Pedro Departments: Ahuachapán, La Libertad, San Salvador, La Paz, San Miguel, Morazán, Santa Ana Poecilia marcellinoi Poeser, 1995 (Topote de Ilopango, Ilopango molly) Hydrographical zones: Río Lempa, Grande de Sonsonate, Mandinga-Comalapa Departments: Sonsonate, La Libertad, Santa Ana Poecilia salvatoris Regan, 1907 (Topote de El Salvador, Salvadoran molly) Hydrographical zones: Río Lempa, Río Paz, Grande de Sonsonate Departments: Ahuachapán, Sonsonate, San Salvador, Santa Ana, Chalatenango Poecilia sphenops Valenciennes, 1846 (Topote mexicano, Mexican Molly) Hydrographical zones: Río Lempa, Río Paz, Mandinga-Comalapa, Río Grande de San Miguel Departments: Ahuachahapán, La Libertad, San Salvador, Usulután, San Miguel, Santa Ana, Cuscatlán Poeciliopsis pleurospilus (Günther, 1866) (Guatopote manchote, Largespot livebearer) Hydrographical zones: Río Lempa, Río Paz, Grande de Sonsonate, Mandinga-Comalapa, Río Jiboa, Río Grande de San Miguel, Lago Coatepeque Departments: Ahuachapán, Sonsonate, La Libertad, San Salvador, La Paz, San Miguel, Morazán, Santa Ana, Chalatenango, Cuscatlán Poeciliopsis turrubarensis (Meek, 1912) (Guatopote del Pacífico, Barred livebearer) Hydrographical zones: Río Lempa, Bahía Jiquilisco Departments: San Vicente, Usulután ORDER GASTEROSTEIFORMES Family Syngnathidae Peripheral Pseudophallus starksii (Jordan & Culver, 1895) (Pipeta/Falso Caballo, Yellowbelly pipefish) Hydrographical zones: Mandinga-Comalapa, Sirama Departments: La Libertad, La Unión ORDER SYNBRANCHIFORMES

Published as part of Mcmahan, Caleb D., Matamoros, Wilfredo A., Álvarez Calderón, Francisco S., Henríquez, Wendy Yamileth, Recinos, H. Michelle, Chakrabarty, Prosanta, Barraza, Enrique & Herrera, Néstor, 2013, Checklist of the Inland Fishes of El Salvador, pp. 440-456 in Zootaxa 3608 (6) on pages 447-448, DOI: 10.11646/zootaxa.3608.6.2, http://zenodo.org/record/216071