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source: http://english.vietnamnet.vn/en/special-
report/23283/giant-fish-in-mekong-river.html Last update
10/06/2012 08:00:00 AM (GMT+7) VietNamNet Bridge – There is no
river in Vietnam which has as many giant fish like the Mekong
River. There are fresh-water fish species of up to 300 or even
500kg in weight in this river. The largest species is the Mekong
giant catfish (Pangasianodon gigas). This is perhaps the most
interesting and most threatened species in the Mekong River. For
this reason conservationists have chosen it as a sort of
“flagship” species to promote conservation on the Mekong. With
recorded sizes of up to 3.2m and 300kg, the Mekong giant catfish
currently holds the Guinness Book of World Records’ position for
the world’s largest freshwater fish. A fish of up to 500kg, 5m
and 60-year-old was netted in the river. Endemic to the lower
half of the Mekong River, this catfish is in danger of
extinction due to overfishing, as well as the decr