English: Distribution and migration pathways of Pangasianodon hypophthalmus, based on information from http://www.mrcmekong.org/programmes/fisheries/mig_pangasianodon_h.htm and N. Van Zalinge, Lieng Sopha, Ngor Peng Bun, Heng Kong, J. Jørgensen: Status of the Mekong Pangasianodon hypophthalmus resources, with special reference to the stock shared between Cambodia and Viet Nam. In: MRC Technical Paper. Nr. 1, Mekong River Commission, Phnom Penh 2002, ISSN 1683-1489 (http://www.mrcmekong.org/download/free_download/Technical_paper1.pdf)

orange - March to May

dark green - May to September

red - October to February

shaded region: spawning region of the southern Mekong population between Khone Falls and Kratie