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Sampling, isolating and identifying microplastics ingested by fish and invertebrates
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This study reviewed sampling and identification methods for microplastics ingested by fish and invertebrates, evaluating each approach for accuracy, reproducibility, and applicability to different species and sample types.
Microplastic debris (<5 mm) is a prolific environmental pollutant, found worldwide in marine, freshwater and terrestrial ecosystems. This review assesses the numerous different methods used to identify microplastics ingested by marine organisms.
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Sampling, Isolating and Identifying Microplastics Ingested by Fish and Invertebrates *
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This methodological review critically evaluated sampling, isolation, and identification techniques for microplastics ingested by fish and invertebrates, identifying common sources of error including contamination during processing, particle loss, and misidentification — and recommending standardized protocols.
Protocol for extraction and analysis of microplastics in freshwater, sediment, and fish samples
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Researchers developed a standardized protocol for extracting and identifying microplastics from freshwater, sediment, and fish digestive system samples, combining chemical digestion, density separation, vacuum filtration, and Raman spectroscopy to enable reliable, reproducible analysis across aquatic sample types.
Screening for microplastics in sediment, water, marine invertebrates and fish: Method development and microplastic accumulation
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Researchers developed improved methods for extracting microplastics from biological samples and sediments, using enzymatic digestion that achieved 97% particle recovery without damaging the plastics. When applied to field samples from the North Sea and Swedish coast, they found microplastics in 8 of 9 invertebrate species tested and in 68% of brown trout. Mussel tissue contained roughly a thousand times more microplastic particles per kilogram than surrounding sediment or water.
Towards the suitable monitoring of ingestion of microplastics by marine biota: A review
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This review assessed various monitoring methods for detecting microplastic ingestion by marine biota, comparing laboratory and field-based approaches. The authors recommend method selection based on organism type and research question and call for more consistent reporting standards to enable cross-study comparison.
Occurrence, Distribution, and Extraction Methods of Microplastics in Marine Organisms
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This review synthesizes global data on microplastic occurrence and distribution across marine organisms, comparing the advantages and limitations of different extraction and identification methods used in the field.
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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.