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Microplastics in the Indian and South Atlantic oceans translocate to gills, digestive glands, and muscle of the chokka squid Loligo reynaudii

Marine Pollution Bulletin 2024 10 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.

Francois Bothma, Hindrik Bouwman Lucian Iordachescu, Francois Bothma, Francois Bothma, Francois Bothma, Lucian Iordachescu, Francois Bothma, Lucian Iordachescu, Hindrik Bouwman Lucian Iordachescu, Francois Bothma, Hindrik Bouwman Lucian Iordachescu, Hindrik Bouwman Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Ryan C. Uren, Ryan C. Uren, Ryan C. Uren, Carl D. van der Lingen, Carl D. van der Lingen, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Hindrik Bouwman Carl D. van der Lingen, Lucian Iordachescu, Hindrik Bouwman Hindrik Bouwman Lucian Iordachescu, Lucian Iordachescu, Carl D. van der Lingen, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Carl D. van der Lingen, Lucian Iordachescu, Hindrik Bouwman Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Hindrik Bouwman Lucian Iordachescu, Lucian Iordachescu, Lucian Iordachescu, Hindrik Bouwman Hindrik Bouwman Hindrik Bouwman Hindrik Bouwman

Summary

Researchers compared microplastic contamination in chokka squid from the South Atlantic and Indian Oceans off South Africa. The study found that squid from both oceans contained microplastics in their gills, digestive glands, and muscle tissue, with blue polyethylene fibers being the dominant type, suggesting that marine microplastic pollution affects commercially important cephalopod species.

Polymers

Body Systems

Digestive Musculoskeletal

Study Type Environmental

Comparative microplastic (MP) data for cephalopods between oceans is scarce. Our aim was to quantify, characterise, and compare MPs in gills, digestive gland, and mantle of chokka squid from the South Atlantic Ocean (SAO) and Indian Ocean (IO) off the coast of South Africa. South African squid had more MPs compared with other studies (means = 2.0 and 0.4 in SAO and IO squid mantle, respectively). Blue fibres were dominant. Identifiable MPs were polyethylene. Despite IO water having higher MP concentrations than the SAO, SAO squid had higher MP concentrations. Dilution by growth is the likely reason for the lower MP concentrations. Fibres were shorter in SAO than IO squid. However, we could not explain why fibre and mantle lengths from both oceans were positively correlated. Squid may not be the best indicator of marine MPs. The characteristics of MPs in squid can be used to track stocks and migrations.

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