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November 11, 2025Marine Environmental ResearchOpen Access

Variation of ingested microplastic size and quantity in different tissues of juvenile European seabass, Dicentrarchus labrax

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Authors

SZSinem ZeytinAKAnnabell KlinkeGWGretchen Wagner

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Overview

Controlled feeding experiment reveals varying microplastic bioaccumulation in tissues of juvenile fish, implying effects on aquatic organisms.

Key Points

  • The study investigates the translocation and bioaccumulation of microplastics in juvenile European seabass tissues.
  • Conducted a controlled feeding experiment with juvenile European seabass consuming fluorescent microplastic for 16 weeks.
  • Analyzed collected tissue samples including blood, intestine, gill, liver, and fillet for microplastic contamination.
  • Quantified microplastic size and abundance across different tissues.
  • Average microplastic abundance was highest in blood samples (54.6 ± 46.3 MP/g).
  • Significant differences in microplastic levels between tissues were observed.
  • Smaller microplastics (1-2 μm) primarily accumulated in the intestine, blood, and gills, while larger ones (4-5 μm) were more prominent in the liver and fillet.

Cite This Study

Zeytin et al. (2025) studied this question.

synapsesocial.com/papers/69252e9ec0ce034ddc356586https://doi.org/10.1016/j.marenvres.2025.107699
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Occurrence of microplastics and metals in European seabass produced in different aquaculture systems: Implications for human exposure, risk, and food safety2024 · 35 citations
  2. 2Microplastic Distribution Patterns in Fish and Implications for Safe Consumption.2025 · 19 citations
  3. 3Microplastics Interception from Riverine Ecosystems and Translocation to Fish Internal Organs2026
  4. 4The abundance and localization of environmental microplastics in gastrointestinal tract and muscle of Atlantic killifish (Fundulus heteroclitus)2024
  5. 5MICROPLASTIC INGESTION BY MARINE FISH FROM THE CENTRAL TYRRHENIAN SEA: TOWARD THE IDENTIFICATION OF REGIONAL BIOINDICATORS2025