Figure 2

Map of sample collection sites of the highly migratory Hilsa shad across its diverse migratory habitats including all strategic aquatic ecosystems in Bangladesh. Each color indicates specific habitat group and abbreviated letter indicates sampling location. CM, Chilmari; BG, Balashi Ghat; CN, Chapai-Nababganj; RS, Rajshahi; MO, Mohanganj; SS, Someshwari river, Durgapur; MG, Manikganj; BR, Bhairab; CP, Chandpur ; KN, Khulna; PP, Pirojpur; BL, Bhola; MP, Mohipur; CF, Char Fasson; PC, Pokhkhir Char; PG, Patharghata; CB, Cox’s Bazar; MK, Maheshkhali. The map was produced by using QGIS version-3.4.1 with GRASS 7.4.2 (https://qgis.org/en/docs/index.html).