Cited by 62Microplastics and Plastic PollutionEnvironmental Toxicology and EcotoxicologyPharmaceutical and Antibiotic Environmental Impacts

Estimation of the uptake and gut retention of microplastics in juvenile marine fish: Mummichogs (Fundulus heteroclitus) and red seabreams (Pagrus major)

Ohkubo, Nobuyuki, Ito, Mana, Hano, Takeshi, Kono, Kumiko, Mochida, Kazuhiko·2020·Marine Pollution Bulletin

Abstract

We investigated the impact of microplastics (MPs) on marine fish by estimating the uptake and retention by mummichogs (Fundulus heteroclitus) and red seabreams (Pagrus major) of MPs similar in size (≥0.25 mm) and composition (polyethylene) to MPs detected in fish intestines. Results revealed a correlation between MP concentrations in aquarium water and the content of MPs in the gastrointestinal tracts of exposed fish. More than 95% were excreted from both species within 25 h; this retention time is similar to the processing time of food items. The rate of excretion showed little dependence on MP size, but there was some dependence on fish species and MP shape. These results suggest that MPs similar to those we studied have little direct adverse impact on these two marine fish species.

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Crossref · 10.1016/j.marpolbul.2020.111630

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Authors
Ohkubo, N., Ito, M., Hano, T., Kono, K., & Mochida, K.
Affiliations
Japan Fisheries Research and Education Agency (JP)
Corresponding author
Ohkubo, Nobuyuki
Venue
Marine Pollution Bulletin
Publisher
Elsevier BV
Published
2020-11
Volume
160
Pages
111630
ISSN
0025-326X (ISSN-L)
OpenAlex
W3083773413
Cited by
62
References
35
Citations by year
2026: 8 · 2025: 10 · 2024: 8 · 2023: 19 · 2022: 9 · 2021: 8
FWCI
2.22
Type
journal article
Language
en
Open access
closed
Locations
  • Marine Pollution Bulletin (publishedVersion)
  • PubMed (publishedVersion)
Funders
Fisheries Agency
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
Keywords
microplastics, microplastic ingestion, Fundulus heteroclitus, red sea bream, juvenile fish, polyethylene microplastics, gastrointestinal tract, excretion, microplastic size, microplastic shape, marine fish
MeSH terms
Gastrointestinal Microbiome, Microplastics, Animals, Environmental Monitoring, Plastics, Water Pollutants, Chemical, Sea Bream, Fundulidae

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