Microplastics in stomach contents of juvenile Patagonian blennies (Eleginops maclovinus).

S M Mendoza, M P García-Moll, V H Fernandez, M Barrios, R Mena, S Miriuka, M Cledon

The Science of the total environment 2023 Oct 10

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Microplastics are one of the major environmental issues that need to be addressed because they are starting to impact food chains and are also affecting human populations. The size, colour, form, and abundance of microplastics in young blennies of the species Eleginops maclovinus were examined in the current study. While the stomach contents of 70 % of the studied individuals contained microplastics, 95 % of them included fibres. Individual size and the largest particle size that can be eaten, which ranges between 0.09 and 1.5 mm present no statistical correlation. The quantity of particles taken in by each individual does not change with size. The most present microfibers colours were blue and red. Sampled fibres were analysed with FT-IR and no natural fibres were detected, proving the synthetic origin of the detected particles. These findings suggest that protected coastlines create conditions that favour the encounter of microplastics increasing local wildlife exposure to microplastics, raising the danger of their ingestion with potential physiological, ecological, economical and human health consequences. Copyright © 2023 Elsevier B.V. All rights reserved.

Citation

S M Mendoza, M P García-Moll, V H Fernandez, M Barrios, R Mena, S Miriuka, M Cledon. Microplastics in stomach contents of juvenile Patagonian blennies (Eleginops maclovinus). The Science of the total environment. 2023 Oct 10;894:164684