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Plastic debris and natural food in two commercially important fish species from the coast of Peru

Marine Pollution Bulletin 2021 26 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, César Fernández-Ojeda, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, César Fernández-Ojeda, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, Ostin Garcés-Ordóñez, Aida Henostroza, Marcelo Costa Muniz, Aida Henostroza, Ostin Garcés-Ordóñez, Aida Henostroza, Renan Pereira Cardoso, Renan Pereira Cardoso, Marcelo Costa Muniz, Marcelo Costa Muniz, Aida Henostroza, Renan Pereira Cardoso, R. M. Anjos Marcelo Costa Muniz, R. M. Anjos Renan Pereira Cardoso, Ostin Garcés-Ordóñez, Enrique Huaringa, R. M. Anjos R. M. Anjos Marcelo Costa Muniz, Enrique Huaringa, R. M. Anjos Carmela Nakazaki, R. M. Anjos Ostin Garcés-Ordóñez, Aida Henostroza, Aida Henostroza, R. M. Anjos Aida Henostroza, Ostin Garcés-Ordóñez, Aida Henostroza, R. M. Anjos

Summary

Researchers examined stomach contents of 1,820 fish from two commercially important Peruvian coastal species, finding low but present microplastic contamination — primarily green and blue polyethylene and polypropylene fragments — with higher prevalence in the filter-feeding species Ethmidium maculatum.

The aim of this study was to evaluate the presence of plastic debris in the stomach contents of two commercially important species Ethmidium maculatum and Mugil cephalus from Peru and relate their characteristics to their diet. The contents of 1820 stomachs were analyzed visually to detect the presence of plastics and prey. Of the analyzed samples, 0.3% contained nine microplastic fragments (0.72-4.54 mm) and one mesoplastic fragment (6.65 mm). Green and blue plastics of polyethylene and polypropylene were the most common. In E. maculatum, copepods were the main prey, followed by diatoms and decapods, and they exhibited the highest amount of plastics. In M. cephalus, the main prey were diatoms, copepods, and dinoflagellates, and they exhibited only one type of microplastic. Although the characteristics of the plastics and the prey of these species may be related (sizes-colors), more research is required to understand this problem in commercially important fishery resources in Peru.

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