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Occurrence, abundance and characteristics of microplastics in some commercial fish of northern coasts of the Persian Gulf
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Microplastics were found in muscle, liver, gill, and gastrointestinal tissues of 14 commercially fished species from the northern Persian Gulf, with gastrointestinal tissues showing the highest contamination and muscle tissue showing very low levels, suggesting limited translocation from gut to edible flesh in most species.
This study assessed the abundance of microplastics (MPs) in muscle, liver, gill, and gastrointestinal tissues of 14 fish species from the Persian Gulf. The quality control showed no significant difference in MPs abundance between blank samples and muscle and liver tissues. The mean abundance of MPs accumulated in gill and gut was 2.85 ± 1.57 and 2.46 ± 1.46 pa/individual, respectively. The maximum mean abundance of MPs was observed in the gill (5.71 pa/ind) of the fish Thunnus tonggol and gut tissue (5.67 pa/ind) of the fish Sphyraena putnamiae. Fiber, black color and size of 23-75 μm were the predominant form of MPs. There was a significant positive correlation between the total fish length and the abundance of MPs. MPs were more abundant in pelagic fish (5.79 ± 5.98) than demersal fish species (3.89 ± 3.53). The level of fish contamination with MPs was low to moderate in comparison to the ranges reported in the literature.
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Microplastics in different tissues of fish and prawn from the Musa Estuary, Persian Gulf
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Researchers analyzed multiple tissues of commercially important fish and prawns from the Persian Gulf and found microplastics present in guts, skin, muscle, gills, and liver across all species examined. The type and abundance of microplastics varied by species and sampling location, with bottom-dwelling fish accumulating the most particles. The findings are notable because they show microplastics penetrate beyond the digestive tract into edible muscle tissue, which is directly relevant to human consumption.
Abundance and characteristics of microplastic in some commercial species from the Persian Gulf, Iran
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Scientists examined microplastic contamination in the digestive tracts of five commercially important fish and shellfish species from the Persian Gulf, finding plastic particles in nearly 73 percent of all individuals sampled. Microfibers were the most common type, making up about 58 percent of particles found, and polymer analysis identified polypropylene and polyethylene as the dominant plastics. The study highlights that seafood from the Persian Gulf region is widely contaminated with microplastics, raising concerns about potential exposure for human consumers.
Microplastics in fishes of commercial and ecological importance from the Western Arabian Gulf
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Researchers examined microplastics in the gastrointestinal tracts of nine commercial fish species from the Saudi EEZ of the Arabian Gulf across coastal, pelagic, and reef habitats, finding a relatively low overall contamination rate (0.057 items per fish) but with variation by species and habitat.
Assessment of microplastics in the gastrointestinal tract of some fish caught for human consumption in Bandar Abbas, the Persian Gulf
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Researchers examined microplastic content in the digestive tracts of fish caught for human consumption in the Persian Gulf near Bandar Abbas, Iran. Microplastics were found in multiple commercially important species, with the highest contamination rates in Sillago sihama (62%), raising food safety concerns for local seafood consumers.
Microplastic occurrence in selected aquatic species of the Persian Gulf: No evidence of trophic transfer or effect of diet
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Researchers examined microplastic contamination in six fish species, one mollusk, and three crustacean species from the Persian Gulf, finding no evidence of trophic transfer of microplastics or dietary effects on contamination levels across species.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.