Fig. 5From: Genetic diversity and structure in Arapaima gigas populations from Amazon and Araguaia-Tocantins river basinsMap of Amazon region showing the natural distribution of Arapaima gigas according to Castello and Stewart [22] (by Marta E. Ummus using software ArcGIS). Sampling points include two wild populations from Amazon river Basin (Amazon - 1 and Solimões - 2), two wild populations from Tocantins-Araguaia Basin (Tocantins – 3 and Araguaia - 4), and one captive population (Captive - 5) from Tocantins state, BrazilBack to article page