Map of the area of study showing the location of the surveyed caves with hitherto undocumented populations of hypogean Rhamdia. Cave localities are indicated by red dots and correspond to: 1 El Chorro Grande cave (Río Suchiapa basin) 2 El Encanto cave (Río La Venta basin) 3 Los Bordos cave (Río La Venta basin), and 4 Paso Burro cave (Río Sabinal basin).

 
 
  Part of: Buenavad-González MA, López-Vila JM, Torres-Vázquez D, Hernández-Ávila SG, Zárate-Gálvez K, Arroyave J (2023) New records of cave-dwelling populations of Rhamdia catfishes (Siluriformes, Heptapteridae) from Chiapas, Mexico. Subterranean Biology 46: 61-76. https://doi.org/10.3897/subtbiol.46.110269