Microplastic occurrence in the digestive tract of marble goby (Oxyeleotris marmorata) from Jeneberang River, Makassar, Indonesia

Wicaksono, Ega Adhi and Werorilangi, Shinta and Afdal, Muh and Nimzet, Robby and Tahir, Akbar (2023) Microplastic occurrence in the digestive tract of marble goby (Oxyeleotris marmorata) from Jeneberang River, Makassar, Indonesia. Journal of Sustainability Science and Management (Malaysia), 18 (8). pp. 170-177. ISSN 2672-7226

Microplastic pollution has been reported in various aquatic environments. Microplastics can accumulate in fish through active and passive uptake. Marble goby (Oxyeleotris marmorata) is a freshwater fish that act as an ambush predator. This feeding habit suggests O. marmorata tend to accumulate microplastics from the aquatic environment through passive uptake. This fish is also one of the consumption commodities utilised in the Jeneberang River. This study aimed to measure the microplastic abundance from the digestive tract of O. marmorata from the Jeneberang River. The O. marmorata individuals were captured using fish traps during the wet and dry seasons. Microplastics from the gastrointestinal tract of O. marmorata were extracted using the alkaline digestive method. The results showed that microplastic was found in O. marmorata’s digestive tract with an average abundance of 1.11 ± 0.19 MPs/Individual. There is a tendency for microplastic abundance in O. marmorata during dry season (1.58 ± 0.39 MPs/Individual) to be higher compared to the wet season (0.94 ± 0.23 MPs/individual). Blue and line microplastics were the most abundant found in the samples. Based on their shape, the microplastics found in the sample are suspected to be secondary MPs. These results indicate that microplastics have been uptake in high trophic-level fish.

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Abstract

Microplastic pollution has been reported in various aquatic environments. Microplastics can accumulate in fish through active and passive uptake. Marble goby (Oxyeleotris marmorata) is a freshwater fish that act as an ambush predator. This feeding habit suggests O. marmorata tend to accumulate microplastics from the aquatic environment through passive uptake. This fish is also one of the consumption commodities utilised in the Jeneberang River. This study aimed to measure the microplastic abundance from the digestive tract of O. marmorata from the Jeneberang River. The O. marmorata individuals were captured using fish traps during the wet and dry seasons. Microplastics from the gastrointestinal tract of O. marmorata were extracted using the alkaline digestive method. The results showed that microplastic was found in O. marmorata’s digestive tract with an average abundance of 1.11 ± 0.19 MPs/Individual. There is a tendency for microplastic abundance in O. marmorata during dry season (1.58 ± 0.39 MPs/Individual) to be higher compared to the wet season (0.94 ± 0.23 MPs/individual). Blue and line microplastics were the most abundant found in the samples. Based on their shape, the microplastics found in the sample are suspected to be secondary MPs. These results indicate that microplastics have been uptake in high trophic-level fish.

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Item Type:	Article
AGROVOC Term:	microplastic pollution
AGROVOC Term:	microplastics
AGROVOC Term:	Oxyeleotris marmorata
AGROVOC Term:	feeding habits
AGROVOC Term:	research
AGROVOC Term:	trap fishing
AGROVOC Term:	dry season
AGROVOC Term:	wet season
AGROVOC Term:	aquatic environment
Geographical Term:	Indonesia
Uncontrolled Keywords:	Pollution, feeding habit, season, trophic level, uptake
Depositing User:	Nor Hasnita Abdul Samat
Date Deposited:	20 Mar 2025 04:24
Last Modified:	20 Mar 2025 04:24
URI:	http://webagris.upm.edu.my/id/eprint/1636

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