Scientists using DNA to track Mekong’s ‘monsters’

The technique which involves filtering DNA in shed skin from river water was put to the test at six deep Mekong River sites, including two in Cambodia, in the study Trails of river monsters: Detecting critically endangered Mekong giant catfish, published in this month’s Global and Ecology Conservation journal. Lead author Eva Bellemain said that the study had detected the Mekong giant catfish in one Thai location; but given the complexity and size of the river and rarity of the species, she said this was a promising find. 

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