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Comparing microplastic ingestion in two commercial crustacean species, Aristaeomorpha foliacea and Parapenaeus longirostris: a sympatric case study from Western Mediterranean Sea
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Researchers compared microplastic ingestion between two sympatric deep-sea shrimp species, Aristaeomorpha foliacea and Parapenaeus longirostris, from the Western Mediterranean Sea, coupling stable isotope analysis with microplastic characterization to examine how trophic position influences plastic uptake. The study provided insights into how microplastic pollution interacts with trophic dynamics in commercially important crustacean species.
The escalating contamination of our seas with plastic poses a serious threat to marine organisms. Among the various concerns, the ingestion of microplastics emerges as a potential hazard for marine organisms at various trophic levels. In order to shed light on the interplay between microplastic pollution and trophic dynamics, the present study couples stable isotope analysis (SIA) with the analysis of ingested microplastics in two sympatric shrimp species: Aristaeomorpha foliacea and Parapenaeus longirostris. This two target species, are economically valuable species, commonly found on sandy-muddy bottoms in the Mediterranean Sea, and displays similar feeding preference targeting polychaetes, crustaceans, fish and molluscs. A total of 180 specimens have been collected in the same haul off Rome coast, Italy (Central Tyrrhenian Sea, Western Mediterranean Sea). SIA was carried out on the muscle tissue of 80 specimens to discern the trophic level and the relationship between the trophic niche of the species. Besides, the gastrointestinal tracts of 100 specimens were dissected and subjected to chemical digestion (15 Also see: https://micro2024.sciencesconf.org/559593/document
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Comparing microplastic ingestion in two commercial crustacean species, Aristaeomorpha foliacea and Parapenaeus longirostris: a sympatric case study from Western Mediterranean Sea
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Researchers examined microplastic ingestion in two sympatric deep-water shrimp species — Aristaeomorpha foliacea and Parapenaeus longirostris — collected from the same haul off the coast of Rome, combining stable isotope analysis of muscle tissue from 80 specimens with gastrointestinal tract analysis from 100 specimens subjected to chemical digestion. The study aimed to link trophic level and niche differences between the two economically important Mediterranean species to differences in their microplastic ingestion rates.
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Researchers monitored microplastic contamination in deep-sea crustaceans from the Mediterranean Sea, including Aristeus antennatus and Nephrops norvegicus, to assess plastic pollution in commercial fishing species. Both species were found to contain microplastics, indicating contamination reaches deep-water habitats used by commercially exploited stocks.
Monitoring plastics in the Mediterranean Sea with an emerging commercial species, the deep-water rose shrimp (Parapenaeus longirostris).
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This study continued monitoring microplastic contamination in deep-sea Mediterranean crustaceans including Aristeus antennatus and Nephrops norvegicus, assessing these commercially important species as indicators of plastic pollution in deep-water ecosystems. Both crustacean species consistently contained microplastics, confirming contamination persists across monitoring periods.
Microplastics and Alien Black Particles as Contaminants of Deep-Water Rose Shrimp (Parapenaeus longistroris Lucas, 1846) in the Central Mediterranean Sea
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Microplastics and unidentified black particles were found in the gastrointestinal tracts of deep-water rose shrimp caught in the central Mediterranean Sea, with nearly 15% of individuals containing plastic. The results add to evidence that microplastic ingestion is widespread in commercially harvested crustaceans, which raises concerns about human exposure through seafood consumption.
Tracing the route: Using stable isotope analysis to understand microplastic pathways through the pelagic-neritic food web of the Tyrrhenian Sea (Western Mediterranean)
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Stable isotope analysis of three pelagic fish species in the Tyrrhenian Sea found no significant effect of trophic position on microplastic ingestion frequency, but species at higher trophic levels ingested a greater diversity of microplastic types including larger particles.
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