Fig.Ā 1From: Chromosomal differentiation and speciation in sister-species of Grammatidae (Perciformes) from the Western AtlanticSchematic presentation of the areas of occurrence of (a) Gramma loreto and (b) the sister-species Gramma brasiliensis along the Caribbean and Brazilian coast. Highlighted between these two areas is the zone of influence of discharges from the Orinoco and Amazon rivers into the Atlantic Ocean. The areas (1) and (2) correspond to Rocas Atoll and Fernando de Noronha Archipelago, respectivelyBack to article page