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61,005 resultsShowing papers similar to Fish as a Bioindicator of Microplastic Contamination in the Mediterranean Sea: State of Knowledge
ClearMicroplastic Concentration in Mediterranean Commercial Fish: A Systematic Review
This systematic review examines microplastic levels in five commercially important fish species caught in Mediterranean waters. The findings confirm that microplastics are routinely present in popular seafood, with concentrations varying by species and location, underscoring the need to monitor and reduce plastic contamination in fish that millions of people eat regularly.
Abundance and ecological risk of microplastics in commercial fish species from northeastern Mediterranean Sea
Researchers examined nine commercially important fish species from the northeastern Mediterranean Sea and found microplastics in both their digestive tracts and gills. The most common particles were small polyethylene and polypropylene fibers, and bottom-dwelling fish species had higher contamination levels. While the ecological risk was rated low to medium, the presence of microplastics in widely consumed fish species highlights a potential pathway for human exposure through seafood.
Microplastic occurrence in the gastrointestinal tract and gill of bioindicator fish species in the northeastern Mediterranean
Four commercial fish species from the northeastern Mediterranean were examined for microplastic presence in gastrointestinal tracts and gills, with plastics found in all species and fiber being the most common type. The results add to growing evidence that microplastic ingestion is routine for commercially harvested Mediterranean fish.
Microplastics in Mediterranean Coastal Countries: A Recent Overview
This review summarized the current status of microplastic pollution in Mediterranean coastal countries, examining contamination levels in fish and other organisms and discussing risks to consumers through trophic transfer in the food chain.
Relationship between biological, ecological parameters and microplastic concentration in Mediterranean fish species
Researchers detected and characterized microplastics in five commercially important Mediterranean fish species -- including Mullus barbatus, Sardina pilchardus, and Trachinus draco -- and analyzed how biological parameters (length, weight) and ecological factors (diet, habitat) influenced microplastic contamination levels across species.
Study of the presence of macroplastics and microplastics in the stomach content of juvenile bluefin tunas and their diet in the Mediterranean Sea.
Researchers studied the occurrence of both macroplastics and microplastics in the stomach contents of juvenile Atlantic bluefin tuna in the Mediterranean Sea, examining how widespread plastic pollution in one of the world's most contaminated seas affects a commercially and ecologically important large predator.
Microplastic in Commercial Fish in the Mediterranean Sea, the Red Sea and the Arabian Gulf. Part 1: The Mediterranean Sea
This literature review covers studies from 2015 to 2021 on the presence of microplastics in commercially important fish species from the Mediterranean Sea, one of the most plastic-polluted water bodies in the world. It also synthesizes data on microplastic concentrations in Mediterranean beach sediments, subtidal sediments, seafloor sediment, and surface water.
A Biomarker Approach as Responses of Bioindicator Commercial Fish Species to Microplastic Ingestion: Assessing Tissue and Biochemical Relationships
Researchers assessed microplastic intake and antioxidant biomarker responses in three Mediterranean fish species, finding that microplastic ingestion correlated with oxidative stress indicators across red mullet, bogue, and anchovy populations.
Microplastics in fillets of Mediterranean seafood. A risk assessment study
Researchers analyzed fillets of several common Mediterranean seafood species for microplastic contamination and estimated the associated human dietary exposure. They detected microplastics in the edible tissue of all species tested, including sardines, sea bream, and mussels. The study provides risk estimates suggesting that regular seafood consumption represents a notable pathway for human microplastic ingestion.
Microplastics occurrence in edible fish species (Mullus barbatus and Merluccius merluccius) collected in three different geographical sub-areas of the Mediterranean Sea
Researchers examined the gastrointestinal tracts of 229 demersal fish from two Mediterranean species across three geographic sub-areas, finding microplastics in a significant portion of individuals with fibers as the dominant type. The study contributes to growing evidence that microplastic ingestion is widespread in commercially fished Mediterranean species.
Detection of microplastics, polymers and additives in edible muscle of swordfish (Xiphias gladius) and bluefin tuna (Thunnus thynnus) caught in the Mediterranean Sea
Researchers detected microplastics — ranging from 140 to 270 particles per kilogram of edible muscle — in swordfish and bluefin tuna caught in the Mediterranean Sea, with polypropylene being the most common polymer type in both species. This confirms that microplastic contamination has reached large, commercially important fish consumed by people across the region.
Contamination from microplastics and other anthropogenic particles in the digestive tracts of the commercial species Engraulis encrasicolus and Sardina pilchardus
Researchers examined microplastic and anthropogenic particle contamination in the digestive tracts of European anchovies and sardines from Spanish waters, finding widespread ingestion of synthetic particles in these commercially important fish species.
Using Boops boops (osteichthyes) to assess microplastic ingestion in the Mediterranean Sea
Researchers assessed microplastic ingestion in 884 Boops boops fish caught at 20 coastal sites across Spain, France, Italy, and Greece, finding microplastics in 46.8% of individuals with an average of 1.17 items per fish, predominantly filaments composed of polyethylene and polypropylene.
Assessment of microplastic pollution in eleven commercial fish species in the Gulf of İzmir (Aegean Sea, eastern Mediterranean)
Researchers examined 152 fish from 11 commercially important species in the Gulf of Izmir, Turkey, and found microplastics in 42% of them. Polyethylene fragments and fibers were the most common types found in fish digestive tracts, with surface-dwelling fish species showing higher contamination than bottom-dwelling ones. Since these are species commonly sold and eaten by people in the region, the study highlights a direct pathway for microplastic exposure through seafood consumption.
Study of the presence of macroplastics and microplastics in the stomach content of juvenile bluefin tunas and their diet in the Mediterranean Sea.
Researchers examined microplastic and macroplastic ingestion in juvenile bluefin tuna (Thunnus thynnus, 20-40 cm) captured in recreational fishing contests at multiple sites along the Spanish Mediterranean coast, studying 300 individuals to assess stomach contents and dietary interactions. The study represented the first investigation of microplastic ingestion and its relationship to prey diet in juvenile bluefin tuna, a commercially and ecologically important top predator.
First evidence of presence of plastic debris in stomach of large pelagic fish in the Mediterranean Sea
Researchers examined stomach contents of large predatory fish including swordfish and bluefin tuna caught in the Mediterranean Sea and found plastic debris in about 18% of the specimens. The ingested plastics ranged from tiny microplastics to large fragments, and were primarily polyethylene and polyester. This is the first study documenting plastic ingestion in large pelagic Mediterranean fish, suggesting that even top ocean predators are exposed to plastic pollution.
Bioindicators for monitoring marine litter ingestion and its impacts on Mediterranean biodiversity
Researchers reviewed existing knowledge of marine litter ingestion impacts on Mediterranean biodiversity and proposed a new integrated monitoring framework using bioindicator species, identifying major knowledge gaps in understudied habitats and sub-regions while outlining a threefold approach to simultaneously measure plastic presence and its sub-lethal effects on organisms.
Ingestion of microplastics and natural fibres in Sardina pilchardus (Walbaum, 1792) and Engraulis encrasicolus (Linnaeus, 1758) along the Spanish Mediterranean coast
Microplastics and natural fibers were found in the digestive tracts of European sardines and anchovies collected from 14 stations along the Spanish Mediterranean coast, with microplastics present in about 15% of individuals. The study documents widespread but variable microplastic ingestion in two commercially important small pelagic fish species that are key components of Mediterranean food webs and human diets.
Contamination from microplastics and other anthropogenic particles in the digestive tracts of the commercial species Engraulis encrasicolus and Sardina pilchardus
Researchers examined the presence of microplastics and other anthropogenic particles in the digestive tracts of European anchovy (Engraulis encrasicolus) and European pilchard (Sardina pilchardus) sampled along the continental shelf of Spain, finding bioaccumulation of particles across these commercially important fish species with implications for food web contamination and human health.
Contamination from microplastics and other anthropogenic particles in the digestive tracts of the commercial species Engraulis encrasicolus and Sardina pilchardus
Researchers examined the presence of microplastics and other anthropogenic particles in the digestive tracts of European anchovy (Engraulis encrasicolus) and European pilchard (Sardina pilchardus) sampled along the continental shelf of Spain, finding bioaccumulation of particles across these commercially important fish species with implications for food web contamination and human health.
Detection of fibrous microplastics and natural microfibers in fish species (Engraulis encrasicolus, Mullus barbatus and Merluccius merluccius) for human consumption from the Tyrrhenian sea
Scientists examined the gut contents of three popular fish species from the Tyrrhenian Sea sold in markets and found microfibers in all of them. While natural and artificial fibers were the most common, synthetic plastic fibers including polyester were also present. Since these are fish people regularly eat, the study highlights seafood as a pathway for human microplastic exposure and calls for better standardized methods to assess the risk.
Impacts of Marine Waste, Ingestion of Microplastic in the Fish, Impact on Fishing Yield, M’diq, Morocco
Researchers in Morocco evaluated microplastic ingestion in fish and its impact on fishing yield on the northern Mediterranean coast, finding that 10% of sampled fish had ingested microplastics. The study highlights both ecological and economic consequences of microplastic contamination in commercially important fish stocks.
Research and characterization of fibrous microplastics and natural microfibers in pelagic and benthic fish species of commercial interest
Researchers assessed microfiber contamination in European anchovy and red mullet, two commercially important Mediterranean fish species. The study found microfibers in 53% of anchovies and 60% of red mullet, with an average of 6.9 and 9.2 microfibers per individual, respectively, composed of polymers including cellulose, cotton, and polyester. These findings confirm that fibrous microplastics are widespread in both pelagic and deep-sea food webs, with potential implications for seafood consumers.
Microplastics in commercial fish and their habitats in the important fishing ground of the Black Sea: Characteristic, concentration, and risk assessment
Researchers analyzed microplastic contamination in six commercial fish species from the Black Sea and found microplastics in all environmental areas studied, including surface water, the water column, sediments, and fish. Fibers were the most common type of microplastic found, and bottom-dwelling fish had higher contamination levels than fish living closer to the surface. Since these are commonly eaten fish species, the findings are relevant to human dietary exposure to microplastics.