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Peculiarities of Microplastic Accumulation in Fish and Crustaceans of the Mekong Delta (Vietnam)
Summary
Researchers found microplastic particles in nearly all fish and crustacean species sampled from the Mekong Delta in Vietnam, with blue-violet fibers being the most common type. The widespread contamination across 11 of 12 fish species and all 6 crustacean species tested highlights how deeply microplastics have penetrated even the food species of one of Southeast Asia's largest river systems, raising concerns for both ecosystem health and food safety for the millions of people who depend on the Mekong for protein.
Plastic pollution in Asian rivers is one of the global problems of the region. This work has been performed to identify microplastic (MP) particles in the tissues of some species of hydrobionts from the Mekong Delta, one of the largest rivers in Southeast Asia. The method of tissue decomposition with 30% hydrogen peroxide is used. The presence of MP particles is revealed in 11 of 12 fish species and in 6 crustacean species. The dominant type of plastic in both fish and crustaceans is blue-violet fibers.
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