Organic contaminants sorbed to microplastics affect marine medaka fish early life stages development

Type Article
Date 2020-05
Language English
Author(s) Le Bihanic Florane1, Clérandeau Christelle1, Cormier Bettie1, 2, Crebassa Jean-Claude3, Keiter Steffen H.2, Beiras Ricardo4, Morin Bénédicte1, Bégout Marie-LaureORCID3, Cousin XavierORCID3, 5, 6, Cachot Jerome1
Affiliation(s) 1 : Bordeaux University, EPOC, UMR CNRS 5805, 33405 Talence, France
2 : Örebro University, Man-Technology Environment Research Center, Örebro, Sweden
3 : Ifremer, Laboratoire Ressources Halieutiques, 17137 L'Houmeau, France
4 : University of Vigo, ECIMAT, 36331 Vigo, Spain
5 : MARBEC, Univ. Montpellier, CNRS, IRD, Ifremer, 34250 Palavas, France
6 : Univ. Paris-Saclay, AgroParisTech, INRAE, GABI, 78350 Jouy-en-Josas, France
Source Marine Pollution Bulletin (0025-326X) (Elsevier BV), 2020-05 , Vol. 154 , P. 111059 (9p.)
DOI 10.1016/j.marpolbul.2020.111059
WOS© Times Cited 56
Keyword(s) Marine medaka, Microplastics, Developmental toxicity, Benzo(a)pyrene, Perfluorooctanesulfonic acid, Benzophenone-3

The role of polyethylene microplastics 4–6 μm size (MPs) in the toxicity of environmental compounds to fish early life stages (ELS) was investigated. Marine medaka Oryzias melastigma embryos and larvae were exposed to suspended MPs spiked with three model contaminants: benzo(a)pyrene (MP-BaP), perfluorooctanesulfonic acid (MP-PFOS) and benzophenone-3 (MP-BP3) for 12 days. There was no evidence of MPs ingestion but MPs agglomerated on the surface of the chorion. Fish ELS exposed to virgin MPs did not show toxic effects. Exposure to MP-PFOS decreased embryonic survival and prevented hatching. Larvae exposed to MP-BaP or MP-BP3 exhibited reduced growth, increased developmental anomalies and abnormal behavior. Compared to equivalent waterborne concentrations, BaP and PFOS appeared to be more embryotoxic when spiked on MPs than when alone in seawater. These results suggest a relevant pollutant transfer by direct contact of MPs to fish ELS that should be included in the ecotoxicological risk assessment of MPs.

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Le Bihanic Florane, Clérandeau Christelle, Cormier Bettie, Crebassa Jean-Claude, Keiter Steffen H., Beiras Ricardo, Morin Bénédicte, Bégout Marie-Laure, Cousin Xavier, Cachot Jerome (2020). Organic contaminants sorbed to microplastics affect marine medaka fish early life stages development. Marine Pollution Bulletin, 154, 111059 (9p.). Publisher's official version : , Open Access version :