Occurrence of Microplastics in Commercial Seafood under the Perspective of the Human Food Chain. A Review

Mercogliano, Raffaelina; Avio, Carlo Giacomo; Regoli, Francesco; Anastasio, Aniello; Colavita, Giampaolo; Santonicola, Serena

doi:10.1021/acs.jafc.0c01209

Cited by 199 publications

(87 citation statements)

References 29 publications

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“…Feeding strategy can influence this intake: for example, in the South Pacific it was observed that fish selected fragments in colors corresponding to their food items (Mizraji et al, 2017;Ory et al, 2017). It has also been suggested that fish with more selective diets tend to eat less plastics than those with more generalist feeding habits; however, smaller particles can be more easily ingested irrespective of feeding strategy (Mercogliano et al, 2020). In addition, the type of habitat could also influence ingestion, since it has been shown that some fish species that occur in coastal regions closer to urbanized areas had higher plastic intake than those in less urbanized areas (Peters and Bratton, 2016).…”

Section: Introductionmentioning

confidence: 99%

Ingestion of plastic debris by commercially important marine fish in southeast-south Brazil

Neto

Rodrigues

Ortega

et al. 2020

Environmental Pollution

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Rising concentrations of plastics in the oceans are leading to increasing negative interactions with marine biota, including ingestion by endangered and/or economically important seafood species such as fish. In this paper, we visually evaluated plastic debris ingestion by 965 specimens of eight commercially exploited fish species from different marine habitats off the southeast-south coast of Brazil. All species ingested plastics, with pelagic animals having higher amounts, frequency of occurrence, diversity and sizes of ingested items than demersal-pelagic and demersal animals. Highest frequency of occurrence (FO%) of plastic ingestion (25.8%) was observed for the pelagic skipjack tuna Katsuwonus pelamis (Scombridae), and lowest (5%) for the demersal bluewing searobin Prionotus punctatus (Triglidae). Microplastics predominated in all species, and fibers/lines and fragments were the main items found, possibly derived from fishing materials. The most abundant plastic colors were transparent, black and blue, and the most common polymers were polyamide and polyurethane. With the available data, no relationship between the size of the individuals and amount of ingested plastics was observed. Considering the negative impacts of plastic ingestion on marine fish, and potentially on human health due to their consumption, understanding ingestion patterns is critical for better evaluating their origin and possible causes, and consequently for helping define prevention strategies for this problem.

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Section: Introductionmentioning

confidence: 99%

Ingestion of plastic debris by commercially important marine fish in southeast-south Brazil

Neto

Rodrigues

Ortega

et al. 2020

Environmental Pollution

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“…The scope of macroplastic accumulation is evidenced by littered shorelines around the world. While macroplastics are the most visible components of plastic contamination very small particles, known as microplastics, may be just as important 3,12 . One of the initial observations of microplastics was in the early 1970s when small plastic particles were observed in water samples collected with a plankton net 13 .…”

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confidence: 99%

Polystyrene microplastic contamination versus microplankton abundances in two lagoons of the Florida Keys

Badylak

Phlips

Batich

et al. 2021

Sci Rep

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A microscopic study of microplankton in two coastal lagoons in the Florida Keys coincidently, and unexpectedly, revealed the widespread presence of high concentrations of polystyrene microplastic particles. The polystyrene particles were first observed in the second year of a 2-year study of phytoplankton communities, with peak densities in the spring/summer of 2019 at all ten sampling sites in the two lagoons. Polystyrene particle densities reached levels up to 76,000 L−1. The particles ranged in size from 33 to 190 µm, similar to the size range of microplanktonic algae (20–200 µm). Over the period of peak polystyrene densities, average particle densities were similar to average densities of microplanktonic algae cells. The latter observation highlights the potential significance of the microplastic particles for the ecology of the pristine waters of the Florida Keys, if they persist.

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“…Plastic debris either float through the seawater column or sink when they become covered in biofilm, and settle into the sediments 6,16 . Plastic particles of all range sizes not only contain additives but also other anthropogenic contaminants, such as organic chemicals that are adsorbed from surrounding seawater 7,17 . These pollutants include persistent, bioaccumulative, and toxic substances (PBTs), such as polychlorinated biphenyls (PCBs) and dioxins.…”

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confidence: 99%

Microplastic pollution in seawater and marine organisms across the Tropical Eastern Pacific and Galápagos

Alfaro-Núñez

Astorga

Cáceres-Farías³

et al. 2021

Sci Rep

166

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Detection of plastic debris degrading into micro particles across all oceanic environments and inside of marine organisms is no longer surprising news. Microplastic contamination now appears as one of the world’s environmental main concerns. To determine the levels of microplastic pollution at sea, water samples were collected across a 4000 km-trajectory in the Tropical Eastern Pacific and the Galápagos archipelago, covering an area of 453,000 square kilometres. Furthermore, 240 specimens of 16 different species of fish, squid, and shrimp, all of human consumption, were collected along the continental coast. Microplastic particles were found in 100% of the water samples and marine organisms. Microplastic particles ranging from 150 to 500 µm in size were the most predominant. This is one of the first reports simultaneously detecting and quantifying microplastic particles abundance and their impact on marine organisms of this region.

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Occurrence of Microplastics in Commercial Seafood under the Perspective of the Human Food Chain. A Review

Cited by 199 publications

References 29 publications

Ingestion of plastic debris by commercially important marine fish in southeast-south Brazil

Ingestion of plastic debris by commercially important marine fish in southeast-south Brazil

Polystyrene microplastic contamination versus microplankton abundances in two lagoons of the Florida Keys

Microplastic pollution in seawater and marine organisms across the Tropical Eastern Pacific and Galápagos

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