Fig. 1From: Molecular characterization of MHC class IIB genes of sympatric Neotropical cichlidsMap of the Pacific coast of Nicaragua (Central America) with the great lakes and several crater lakes where samples were collected (source http://photojournal.jpl.nasa.gov/catalog/PIA03364; wikimedia.org). Samples belonged to the four species Amphilophus citrinellus, A. labiatus, A. amarillo and A. xiloaensis Back to article page