Plastic Ingestion by the Small-Spotted Catshark (Scyliorhinus canicula) from the South West Coast of the United Kingdom

Bull Environ Contam Toxicol. 2021 Jun;106(6):910-915. doi: 10.1007/s00128-021-03129-3. Epub 2021 Feb 12.

Abstract

Plastic pollution has increased dramatically worldwide and is having a detrimental effect on a variety of marine organisms. This study contributes to the existing data on the ingestion of both macroplastics and microplastics by one elasmobranch species, the small-spotted catshark (Scyliorhinus canicula), considering the occurrence in males and females. Plastics were extracted from the stomach and spiral valve of (N = 200, n = 100 females and n = 100 males) and analysed by visual observations. A total of 28 pieces of plastic were found with five pieces extracted from a single individual. Overall findings indicate that this shark species is vulnerable to some extent to plastic ingestion (6.5% frequency of occurrence), but different aspects, such as differences in plastic contamination levels of different locations and ability to regurgitate stomach content, may affect the results of similar studies.

Keywords: Bioaccumulation; Bioindicator organism; Catshark; Plastic pollution.

Publication types

  • Letter

MeSH terms

  • Animals
  • Eating
  • Environmental Monitoring
  • Female
  • Male
  • Microplastics
  • Plastics
  • Sharks*
  • United Kingdom
  • Water Pollutants, Chemical* / analysis

Substances

  • Microplastics
  • Plastics
  • Water Pollutants, Chemical