Lam, Theresa W.L., Fok, Lincoln, Ma, Anson T.H., Li, H.X., Xu, X.R., Cheung, Lewis ORCID: https://orcid.org/0000-0002-1619-0473 and Wong, M.H. (2022) Microplastic contamination in marine-cultured fish from the Pearl River Estuary, South China. Science of the Total Environment, 827 (154281).

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Abstract

Microplastics are ubiquitous in the aquatic environment. However, the occurrence of microplastics in farmed fish is under-researched. Herein, microplastic abundance in the stomach and intestine of marine-cultured hybrid groupers (Epinephelus fuscoguttatus × Epinephelus lanceolatus) in the Pearl River Estuary (PRE) was examined. Microplastics were detected in all fish samples, with an average abundance of 35.36 n/individual or 0.62 n/g. The fish intestine contained more microplastics (23.91 n/individual, i.e., 1.10 n/g) than the stomach (12.80 n/individual, i.e., 0.37 n/g). In addition, the ingested microplastics were predominantly fibre-shaped (70.1%), and nearly 70% were smaller than 1 mm in diameter. Potential factors affecting the ingestion of microplastics by farmed hybrid groupers include fish diet and the availability of microplastics in their feeding habitat.

Item Type:	Article
Status:	Published
DOI:	10.1016/j.scitotenv.2022.154281
Subjects:	G Geography. Anthropology. Recreation > GB Physical geography
School/Department:	York Business School
URI:	https://ray.yorksj.ac.uk/id/eprint/8285

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