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Gambaran Morfologi Dan Kandungan Mikroplastik Pada Saluran Pencernaan Ikan Pelagis Hasil Tangkapan Nelayan Di Ppi Bulu Sebagai Sumber Belajar Biologi
Summary
This Indonesian study examined microplastic types and abundance in the digestive tracts of three pelagic fish species caught by local fishermen. Researchers found filament-type microplastics were most prevalent, with fragments and films also present, while morphological damage to the fish was attributed to other causes.
Microplastics are among the most dominant marine debris found in waters, the presence of microplastics in a waters will cause serious problems, one of which is the ingestion of microplastics by marine organisms, especially pelagic fish. The purpose of this study was to determine the description of the morphological and anatomical damage of pelagic fish, to determine the type and abundance of microplastics in the gastrointestinal tract of pelagic fish, and to analyze the potential results of research as a source of learning biology. There are 3 types of pelagic fish used in this study, namely yellow selar fish (Selaroides leptolepis), banyar fish (Rastrelliger kanagurta), blue fly fish (Rastrelliger kanagurta). The data collection technique was carried out by observation. Observation of morphological and anatomical damage was carried out by direct observation, while the type of microplastic was observed using a binocular microscope. The results showed that there was morphological damage characterized by peeling scales, sunken and red eyes, damaged mouth organs, brown gills in fish, missing parts of the fish body, and anatomical damage marked by damage in the form of scratches and holes in pelagic fish. The damage to the morphology and anatomy of pelagic fish was not caused by microplastics. There are 3 types of microplastics obtained, namely the most dominant filament type found, fragments and films which have various colors. There are 3 types of microplastics found in blue fly fish and yellow selar fish, namely filament, fragment and film microplastics, while in Banyar fish only 1 type of microplastic is found, namely the type of filament only, this is influenced by fish habitat, microplastic properties and water conditions. dominated by filament type microplastics. The highest microplastic abundance calculated is in the blue fly fish sample with 2.5 particles / fish. The results of this study have the potential as a source of learning biology.