Microplastic contamination in Indonesian anchovies from fourteen locations

Endar W. Ningrum, Mufti P. Patria

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Microplastics in seawater can enter into the food chain of pelagic fish with subsurface foraging behavior such as anchovies (Stolephorus spp.). Anchovies are valuable commercial fish with high market demand. Hence, measuring potential marine pollutants in these fish is needed. Microplastics as marine contaminants are reportedly more dangerous if they occur together with other contaminants such as trace metals. This research aims to detect microplastic contaminants in anchovies caught in the Indonesia Sea. This research compared between the microplastic contamination on anchovies from 14 harbors: 6 in Western Indonesia (Meulaboh, Krui, Pangkalpinang, Muara Angke, Karimunjawa, and Sidoarjo) and 8 in Eastern Indonesia (Manado, Mamuj u, Makassar, Kendari, Ambon, Sorong, Fakfak, and Waingapu). We isolated the digestive tracts of anchovies and measured their length and dry weight. The organic materials were digested with NaOH and a technical-grade sodium Laureth sulfate (SLES) solution approximately one week after collection. Microplastics were observed using a microscope and confirmed with Fourier transform infrared spectroscopy (FTIR). We found that most microplastic contaminants in anchovies were in fiber and film shapes. The majority of the sizes ranged from 50-500 μm, followed by a range of 20-50 μm. Microplastics were surprisingly high in samples from Mamuju (688±1.15 MPs idv-1) and Krui (645±7.02 MPs idv-1), higher than any contaminated biota ever reported for anchovies. As reported, anchovies from the Indonesia Sea are contaminated by microplastics. Moreover, human exposure to microplastic contaminants is possible and may affect consumer health in long-term exposure.

Original languageEnglish
Pages (from-to)125-134
Number of pages10
Issue number1
Publication statusPublished - Jan 2022


  • Micro fragment
  • Microfiber
  • Microfilm
  • MPs
  • Stolephorus


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