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Microplastics contamination in commercial fish landed at Lengkong Fish Auction Point, Central Java, Indonesia

Journal of Water and Land Development 2023 7 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Nuning Vita Hidayati, Nuning Vita Hidayati, Faizal Rachman, Nuning Vita Hidayati, Nuning Vita Hidayati, Sapto Andriyono, Muslih Muslih, Rizqi Rizaldi Hidayat, Nuning Vita Hidayati, Sapto Andriyono, Dyahruri Sanjayasari Maria Dyah Nur Meinita, Sapto Andriyono, Hendrayana Hendrayana, Hendrayana Hendrayana, Muslih Muslih, Hendrayana Hendrayana, Iqbal Ali Husni, Sapto Andriyono, Dyahruri Sanjayasari

Summary

Researchers examined the digestive tracts of four commercially fished species landed at a Central Java fish auction and found microplastics in 100% of individuals tested, with concentrations up to 28 particles per fish. Seven polymer types were identified including polyurethane — flagged as particularly harmful — alongside polystyrene, nylon, and polypropylene. Because these are commercially consumed species, the findings point to a direct human dietary exposure pathway for plastic polymers and their associated chemical additives.

Polymers

ABS HDPE LDPE PE PP PS PU nylon

Body Systems

Digestive

Study Type Environmental

Plastic is one of the main pollutant sources that are difficult to decompose and then carried into the ocean and fragmented into smaller parts (microplastics) due to UV radiation and water currents. Their small size means that microplastics are often ingested by aquatic organisms, such as fish. This research aimed to determine the presence, abundance, and types of microplastics in the digestive tract of four dominant fishes landed at Lengkong Fish Auction Point, Cilacap, Central Java, i.e. threadfin ( Eleutheronema tetradactylum), mackerel ( Rastrelliger sp.), threadfin bream ( Nemipterus japonicus), and hairtail ( Trichiurus lepturus). We found microplastics in the digestive tract of four selected fishes with a frequency of occurrence of 100%. The concentration of microplastics in fish digestive tracts is relatively high, with a value range of 12 ±2.86 to 28.33 ±8.11 particles∙ind.-1. Microplastics were found in films, fibres, fragments, and granule shape types with various colours: brown, purple, blue, black, green, transparent, and yellow. The polymers found were polystyrene (PS), nylon, acrylonitrile butadiene styrene (ABS), polyurethane (PU), polypropylene (PP), high-density polyethylene (HDPE), and low-density polyethylene (LDPE). The present study provides baseline data for microplastics contamination in commercial fish species landed at Lengkong Fish Auction Point, Cilacap, Central Java, Indonesia. The fact that we discovered PU, the most harmful polymer, piques our attention.

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