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Anthropogenic particles in the stomach contents and liver of the freshwater fish Squalius cephalus

The Science of The Total Environment 2018 155 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
France Collard, Bernard Gilbert, France Collard, France Collard, France Collard, France Collard, Bernard Gilbert, France Collard, France Collard, France Collard, France Collard, Johnny Gaspéri, Johnny Gaspéri, France Collard, Johnny Gaspéri, France Collard, Johnny Gaspéri, France Collard, Johnny Gaspéri, France Collard, France Collard, France Collard, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Bruno Tassin France Collard, Bruno Tassin France Collard, France Collard, Bruno Tassin France Collard, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Gauthier Eppe, Bruno Tassin Bruno Tassin France Collard, France Collard, Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Gauthier Eppe, Gauthier Eppe, Gauthier Eppe, Gauthier Eppe, Gauthier Eppe, Sam Azimi, Vincent Rocher, Vincent Rocher, Vincent Rocher, Vincent Rocher, Vincent Rocher, Vincent Rocher, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Bernard Gilbert, Johnny Gaspéri, Vincent Rocher, Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Vincent Rocher, Bruno Tassin Vincent Rocher, Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, France Collard, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, France Collard, Gauthier Eppe, Bruno Tassin Gauthier Eppe, Bruno Tassin France Collard, France Collard, Gauthier Eppe, France Collard, Bruno Tassin Bruno Tassin Sam Azimi, Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Sam Azimi, Johnny Gaspéri, Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Gauthier Eppe, Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin France Collard, Bruno Tassin Bruno Tassin Johnny Gaspéri, Bruno Tassin France Collard, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Bruno Tassin Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Bruno Tassin Johnny Gaspéri, Bruno Tassin Bruno Tassin Johnny Gaspéri, Bruno Tassin Bruno Tassin Bruno Tassin France Collard, Bruno Tassin Bruno Tassin Vincent Rocher, Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Vincent Rocher, Johnny Gaspéri, Bruno Tassin Gauthier Eppe, Bruno Tassin Bruno Tassin Sam Azimi, Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Sam Azimi, Bruno Tassin Johnny Gaspéri, Bruno Tassin Sam Azimi, Bruno Tassin Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Sam Azimi, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, France Collard, Sam Azimi, Bruno Tassin Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Bruno Tassin Vincent Rocher, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Bruno Tassin Johnny Gaspéri, Bruno Tassin Bruno Tassin Vincent Rocher, Bruno Tassin Johnny Gaspéri, Bruno Tassin Bruno Tassin Johnny Gaspéri, Bruno Tassin Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Bruno Tassin Gauthier Eppe, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Sam Azimi, Johnny Gaspéri, Bruno Tassin Gauthier Eppe, Bruno Tassin Sam Azimi, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Bruno Tassin Vincent Rocher, Bruno Tassin Bruno Tassin Bruno Tassin Vincent Rocher, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Bruno Tassin Johnny Gaspéri, Johnny Gaspéri, Vincent Rocher, Bruno Tassin

Summary

Stomachs and livers of chub (Squalius cephalus) from the Parisian river system were analyzed for anthropogenic particles by Raman spectroscopy, with 25% of fish having ingested at least one particle (half plastic, half synthetic dye) and a subset of particles detected in liver tissue. The study provides rare evidence of anthropogenic particle translocation from the gut to secondary organs in wild freshwater fish from an urban river.

Body Systems
Digestive Hepatic Musculoskeletal
Study Type In vitro

Anthropogenic particles (APs) are a very broad category of particles produced directly or indirectly by human activities. Their ingestion by biota is well studied in the marine environment. In contrast, studies on AP ingestion in wild freshwater organisms are scarce despite high contamination levels in some rivers and lakes. In this study, we aimed to evaluate the ingestion of APs and the possible occurrence of APs in the liver and muscle of a freshwater fish, Squalius cephalus, from the Parisian conurbation. After isolation, the particles were analyzed using Raman spectroscopy. In sixty stomachs, eighteen APs were found, half of which were plastics and the other half were dyed particles. Twenty-five percent of sampled individuals had ingested at least one AP. The mean length of the APs was 2.41 mm. No significant difference was found between the sites upstream and downstream of Paris. Additionally, 5% of sampled livers contained one or more APs, which were characterized as microplastics (MPs). No APs were found in the muscle tissue. The majority of APs isolated from stomach contents were fibers, which is similar to the findings of a previous river contamination study. This highlights that fish could be more exposed to fibers than previously thought and that more studies on the impacts of fiber ingestion are required. Despite their low occurrence, MPs are reported, for the first time, in the liver of a wild freshwater fish species. While the pathways and impacts are still unknown, MPs also occur in liver of marine mollusks and fish. Physiological in vitro studies are needed to better evaluate the impacts of such phenomena.

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