Characteristics and differences of microplastics ingestion for farmed fish with different water depths, feeding habits and diets

Current State of Research on the Prevalence of Microplastics in Aquatic Fish and Their Impact on Health

AI summary · Read the abstract

Researchers reviewed microplastic contamination in fish across all seven continents, finding marine fish were studied 2.6 times more than freshwater species, and that microplastics trigger oxidative stress, alter biochemical pathways, and accumulate through biotransformation in fish tissues globally.

Microplastic in fish – A global synthesis

AI summary · Read the abstract

A global synthesis of microplastic ingestion data from marine, freshwater, and estuarine fish found that 49% of sampled fish worldwide had ingested plastic, averaging 3.5 pieces per fish, with freshwater fish and those from aquaculture sources showing higher ingestion rates than wild marine fish. This comprehensive analysis reveals that microplastic contamination of fish — a primary human protein source globally — is now the rule rather than the exception, underscoring urgent risks to food safety.

Microplastic Ingestion by Fish with Different Feeding Habits from Different Habitats in a Typical Semi-Enclosed Haizhou Bay

AI summary · Read the abstract

A study of eight fish species in China's Haizhou Bay found microplastic detection rates of 53–80% across species, with benthic and omnivorous fish accumulating significantly more MPs than pelagic or predatory fish, and PET, polyamide, and polystyrene linked to marine aquaculture and port construction. Feeding behavior and habitat depth are key determinants of MP accumulation, with bottom-dwelling fish consuming prey that carries greater plastic loads from contaminated sediment layers.

Prevalence and Characterization of Ingested Microplastics in Coastal Fish in South Korea

Microplastics in Aquaculture Systems and Their Transfer in the Food Chain

AI summary · Read the abstract

Researchers reviewed how microplastics accumulate throughout aquaculture systems — the fish farms that produce much of the world's seafood — and traced how these particles move up the food chain to reach human consumers, raising concerns about the safety of farmed seafood.