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Occurrence of Microplastics in Economically Important Fish in Cateel, Davao Oriental, Philippines

East Asian Journal of Multidisciplinary Research 2026
Rosemie Siarot, Eleanor Vilela

Summary

Researchers studying fish sold in a coastal town in the Philippines found that all three popular, economically important fish species they tested contained microplastics — tiny plastic bits that end up in the ocean from litter and waste. This matters because eating contaminated fish is a direct way these plastics can get into our bodies, and the study suggests that better waste management and public education are needed to reduce this pollution before it affects more communities and seafood supplies.

This study evaluates the effects of microplastics on marine ecosystems and identifies possible pathways of microplastic transmission to humans through fish consumption. Conducted in Cateel, Davao Oriental, the study used a descriptive-quantitative research design to analyze the occurrence of microplastics in economically important fish and assess community awareness regarding microplastic pollution. Findings revealed that microplastic contamination was present in all three fish species examined. The Knowledge, Attitude, and Practices (KAP) survey also showed that the community has a high level of awareness and concern about microplastics. Overall, the study highlights the need for continuous environmental education, proper waste management, and stronger environmental protection efforts to reduce microplastic pollution and protect marine ecosystems and public health.

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