Characteristics of Microplastic Deposition in Coral Reef Fishes with Different Feeding Habits-An Example in Xisha, South China Sea

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

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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.

Microplastic ingestion by fish from beaches with different characteristics in a tropical bay

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Researchers studying fish in a tropical bay found that 1 in 5 fish had microplastics in their stomachs, and this happened across all species, sizes, and locations, including areas far from big cities. Even fish-eating predators (which many humans also eat) showed contamination, suggesting plastic pollution is now baked into the food web from top to bottom. Since some of these fish end up on dinner plates, this study is a reminder that microplastic exposure through seafood may be more widespread than we think, and more research is needed to understand what that means for our health.

Studies on Microplastic Ingestion and Elimination under Seawater and Freshwater Environments using Oryzias Fishes

Random or not? Comparing Microplastic Ingestion and Preys in Scomber colias and Trachurus trachurus

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Researchers examined microplastic ingestion in two commercially important fish species—Scomber colias and Trachurus trachurus—comparing ingested plastic characteristics to prey items to assess whether ingestion was selective or random. Understanding whether fish actively or incidentally consume microplastics has direct implications for estimating human dietary exposure through seafood consumption.

Micro-debris Accumulated in Marine Fishes Collected from Central Vietnam: Characteristics and Implication for Human Health Risk

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Examination of edible tissue from seven common marine fish species in Central Vietnam found micro-debris averaging 0.6–1.0 items per gram wet weight, predominantly fibers of rayon and PET smaller than 250 μm, translating to an estimated annual human intake of 33,000–50,000 items per person through fish consumption. This provides direct evidence of microplastic transfer from marine environments into the human food chain via seafood, quantifying a significant dietary exposure route for coastal populations.