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Evidence for non-selective ingestion of microplastic in demersal fish.

08:00 EDT 27th August 2019 | BioPortfolio

Summary of "Evidence for non-selective ingestion of microplastic in demersal fish."

Microplastics have been observed in >100 species of fish, with considerable variability in levels of contamination in different species and different geographic locations. Here, we investigated the incidence of microplastic in five species of demersal fish (four wild-caught species and one from a mariculture business) in Hong Kong. We observed that 54% of fish stomachs contained microplastic (hard fragments and fibres) with no significant difference in the abundance of microplastic ingested between the species, between wild and commercial fish farms, or between locations. In addition, we observed no difference between the type of microplastics (shape or composition) ingested by fish. However, we did observe spatial variation, with fish closest to the Pearl River having higher frequency of occurrence of microplastics which reinforce the evidence that fish collected close to urban area are more likely to ingest microplastics.

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This article was published in the following journal.

Name: Marine pollution bulletin
ISSN: 1879-3363
Pages: 110523

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Fish of the genera ONCORHYNCHUS and Salmo in the family SALMONIDAE. They are anadromous game fish, frequenting the coastal waters of both the North Atlantic and Pacific. They are known for their gameness as a sport fish and for the quality of their flesh as a table fish. (Webster, 3d ed).

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A genus of nematodes of the superfamily ASCARIDOIDEA. Its organisms are found in the stomachs of marine animals and birds. Human infection occurs by ingestion of raw fish that contain larvae.

The most diversified of all fish orders and the largest vertebrate order. It includes many of the commonly known fish such as porgies, croakers, sunfishes, dolphin fish, mackerels, TUNA, etc.

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