Microplastic prevalence in epipelagic layer: Evidence from epipelagic inhabiting prawns of north-west Arabian Sea

Mar Pollut Bull. 2024 Mar:200:116137. doi: 10.1016/j.marpolbul.2024.116137. Epub 2024 Feb 19.

Abstract

The escalating global microplastic (MP) pollution severely threatens marine life due to insufficient waste management and widespread single-use plastic. This study focuses on assessing MP contamination in commercial prawns from Gujarat State, India. Ten prawn species collected at five main fishing harbors revealed 590 MP particles in their gastrointestinal tracts, averaging 6.08 ± 5.96 MPs/g and 1.15 ± 0.78 MPs/individual. Significant variations in contamination levels were observed between species and study sites. Pollution indices indicated very high contamination throughout the study sites. Threads were the predominant shape, with blue and black as prevalent colors. Size-wise, 1-2 mm MPs dominated. Polymer analysis identified polyethylene terephthalate, polyurethane, polystyrene, polypropylene, polyvinyl chloride, and acrylonitrile butadiene styrene. The findings provided crucial preliminary information for ecotoxicology and seafood safety investigations regarding MP contamination in commercially important prawns.

Keywords: ATR-FTIR; Microplastic pollution; North-west coast of India; Seafood safety; Shellfish.

MeSH terms

  • Environmental Monitoring
  • Microplastics*
  • Plastics / analysis
  • Prevalence
  • Seafood / analysis
  • Water Pollutants, Chemical* / analysis

Substances

  • Microplastics
  • Plastics
  • Water Pollutants, Chemical