Figure 1 Map
Mexico, showing the Ciénega Churince in Cuatro Ciénegas, Coahuila.
Figure 2 Image of study area
Map of the Churince system.
Trophic spectrum of the fish community.
Simpson’s similarity index for the G. marshi groups in Laguna Intermedia and in the freshwater spring Manantial de Agua Dulce.
Bray-Curtis similarity index for the species ingested, based on diet composition and expressed by the IRI.
Bray-Curtis index to rank species according to the similarity of the species in the diet.
Collected species and their specimens, following the division of the Ciénega Churince.