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Ingestion of microplastics by bigeye scad, Selar crumenophthalmus in Municipal Waters of Malimono, Surigao del Norte, Philippines
Summary
This study found microplastics in 11.67% of bigeye scad fish sampled from municipal waters in the Philippines. Fibers made up the majority of ingested plastics. The findings contribute to growing evidence that microplastic ingestion is widespread in commercially important fish species in Southeast Asian coastal fisheries.
This study evaluated the presence of microplastic ingestion by bigeye scad, Selar crumenophthalmus from the Municipal Waters of Malimono, Surigao del Norte, Philippines.The microplastics were found in seven (7) fish individuals (11.67%) from a total of 60 fish samples examined, with an average of 0.12 ± 0.04 (mean ± SD) items per fish.Fibers (42.86%) made up the majority of the ingested plastic, followed by beads and fragments (28.57%).Only one piece of plastic was found in each of the stomachs of the seven fish samples that had consumed microplastic.The amount of microplastic that fish consumed in this study is relatively low compared to other findings from various locations.The statistical analysis proved that there is no significant difference (p>0.05) in the condition of all samples with or without microplastic ingestion in the stomach.The mean relative condition factor (Kn) both with and without microplastic ingestions is (K>1), which indicates that fish have good condition.