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All Journal Journal of Marine Studies
Miskon, Mohd Fuad
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Environmental Science

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Microplastic contamination in pelagic fishes from the east coast of Peninsular Malaysia Nawawi, Ain Waznin Nuha Ahmad; Ezraneti, Riri; Miskon, Mohd Fuad; Mohamed, Juliana
Journal of Marine Studies Volume 2, Issue 1 (March, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/joms.v2i1.21125

Abstract

Microplastic contamination in marine environments is a growing concern, particularly in fish species consumed by humans. This study investigates the presence and characteristics of microplastics in the livers of Indian mackerel (Rastrelliger kanagurta) and yellowtail scad (Atule mate) collected from Pahang and Kelantan. The abundance of microplastics was quantified for each species at each location, with the total count normalized by the number of fish analyzed following the extraction and identification process. Microplastic identification was conducted using a Stereoscopic Microscope, while polymer composition was determined through ATR-FTIR spectroscopy. The microplastic abundance recorded was 0.067 particles per fish. The microplastic identified were predominantly fragments and filaments in red, black, and grey colors. The polymers found were poly(diallyl phthalate) (PDAP), poly(butylene terephthalate) (PBT), polypropylene (PP), poly(cyclohexylenedimethylene terephthalate) (PCT), and high-density polyethylene (HDPE). The finding of microplastics in fish livers provides preliminary evidence of contamination and suggests direct exposure of these vital organs. This raises serious concerns about potential contamination in other crucial organs, including the gills, gastrointestinal tract, tissues, and even the brain. This highlights the need for further research on microplastic exposure pathways and its ecological implications along the east coast of Peninsular Malaysia.
Microplastic distribution in the fish flesh as physical pollutants: Preliminary study Ezraneti, Riri; Hassan, Noor Artika; Miskon, Mohd Fuad; Mohamed, Juliana
Journal of Marine Studies Volume 2, Issue 2 (July, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/joms.v2i2.21802

Abstract

Microplastics, as physical pollutants, have become a hazard and can accumulate in fish tissues. There is limited documentation of the spread of microplastic buildup in fish flesh. The purpose of this research was to investigate the distribution of microplastics in fish flesh. This study used the golden threadfin bream (Nemipterus virgatus) as one of the commercial marine fish in peninsular Malaysia. The fish was dissected by filleting and separated through its dorsal, ventral, and caudal parts to observe if there was variation in the accumulation of microplastics in each part of the fish flesh. The findings show that the caudal part has the most microplastic accumulation compared to the dorsal and ventral parts. However, there is no significant difference in the amount of microplastic discovered in any part of the fish based on statistical analysis. The bulk of the microplastics identified are black and have a fibre form. Polyamide (PA), polyethylene terephthalate (PET), and polypropylene are types of microplastics found in the fish flesh. This research shows that microplastics can accumulate in every part of the fish flesh in varying amounts. To accurately depict the average number of microplastics in fish flesh, it is recommended to randomly sample the fish flesh for detection.
Co-Authors Hassan, Noor Artika Mohamed, Juliana Nawawi, Ain Waznin Nuha Ahmad Riri Ezraneti