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Microplastics contamination in the gills of Scylla spp. from the Selangor River Estuary, Malaysia

Marine Pollution Bulletin 2025 2 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 58 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Nawaltul Akma Ahmad Sabri, Ahmad Zaharin Aris Nawaltul Akma Ahmad Sabri, Nawaltul Akma Ahmad Sabri, Nawaltul Akma Ahmad Sabri, Muhammad Raznisyafiq Razak, Zafira Madzin, Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris Nazarudin Mohamed, Muhammad Raznisyafiq Razak, Nazarudin Mohamed, Ahmad Zaharin Aris Ahmad Zaharin Aris Muhammad Raznisyafiq Razak, Nawaltul Akma Ahmad Sabri, Zafira Madzin, Ahmad Zaharin Aris Muhammad Raznisyafiq Razak, Zafira Madzin, Muhammad Raznisyafiq Razak, Ahmad Zaharin Aris Murni Karim, Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris Ahmad Zaharin Aris

Summary

Scientists examined the gills of mud crabs (Scylla spp.) from a Malaysian river estuary and found 282 microplastic particles across 35 specimens, predominantly fragments followed by fibers. The pollution hazard index reached Level IV, indicating significant contamination, with fragments posing the highest risk. The study establishes these mangrove crabs as useful biological indicators for tracking microplastic pollution in coastal and estuarine environments.

Study Type Environmental

Microplastics (MPs) pollution is a growing environmental concern owing to its widespread presence and risks to aquatic ecosystems. This study examined MPs in the gills of Scylla spp. from estuarine and coastal regions of Malaysia. As key mangrove species with high pollutant exposure, Scylla spp. serve as bioindicators of MPs contamination in brackish environments. Analysis of 35 crab samples identified 282 MPs, predominantly fragments, followed by fibers and pellets. The Pollution Hazard Index (PHI) was 658.46 (Level IV), indicating significant MPs pollution, while the coefficient of MPs impact (CMPI) showed that fragments posed the highest risk. These findings provide baseline data on MPs in Scylla spp., highlighting their role in MPs transfer and ecological risk assessment. This study emphasizes the need for continued monitoring and mitigation to address MPs pollution in aquatic environments.

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