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Plastic ingestion and diet composition in two common fish species from the Swedish Skagerrak
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This study examined the plastic ingestion rates and diet composition of two common fish species, identifying the types and quantities of microplastics found in their digestive tracts. The results help establish baseline data on how microplastics enter aquatic food webs through fish consumption.
Plastic ingestion is supposed to be linked to the feeding behaviour of the fish. Anthropogenic particles were expected to be accidentally ingested by the common dab due to its feeding strategy, which is focused on ground-living organisms. In the whiting, marine debris was suggested to be ingested secondarily through the prey organisms as well as by accident. However, the drivers of plastic ingestion require further research and discussion. In order to understand the interaction between the diet and plastic ingestion, future research is advised to focus on the role of plastic in food web dynamics.
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Occurrence and potential effects of plastic ingestion by pelagic and demersal fish from the North Sea and Baltic Sea
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Researchers examined the occurrence and potential effects of plastic ingestion in pelagic and bottom-dwelling fish from the North Sea and Baltic Sea, finding plastics in both groups. The study contributed to baseline knowledge of microplastic ingestion rates in commercially important fish species in European seas.
Effect of biological and environmental factors on microplastic ingestion of commercial fish species
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Researchers analyzed microplastic ingestion in commercially important fish species, evaluating how biological and environmental factors influence ingestion rates across 2,222 individual fish. The study assessed gastrointestinal tract contents to determine the extent and patterns of microplastic contamination. The findings suggest that both species-specific biology and environmental conditions play important roles in determining microplastic ingestion levels in commercial fish.
Plastic ingestion by pelagic and demersal fish from the North Sea and Baltic Sea
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Researchers examined gastrointestinal tracts of 290 North and Baltic Sea fish and detected plastic in 5.5% of individuals, with pelagic species like herring and mackerel ingesting plastic at three times the rate of bottom-dwelling cod and flounder, and polyethylene making up nearly 40% of identified polymer types.
Microplastic ingestion and diet composition of planktivorous fish
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This study analyzed stomach contents of six planktivorous pelagic fish species from Atlanto-Iberian waters, finding microplastics in a substantial proportion of individuals. The relationship between microplastic ingestion and diet composition suggests that fish consuming prey similar in size to microplastics are at higher risk of ingestion.
Anthropogenic particles ingestion in fish species from two areas of the western Mediterranean Sea.
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Anthropogenic particles including microplastics were found in the digestive tracts of fish from two aquatic environments, with ingestion rates and particle types varying by species and location. The study documents widespread microplastic ingestion across fish species in different habitat types.
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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.