Abstract. Widiyanti R, Nugroho HA, Megarani DV, Widiasih DA, Pakpahan S. 2023. Multiplex PCR detection of mackerel-based food adulteration with pleco and chicken in selected areas around Ciliwung River, Indonesia. Biodiversitas 24: 1538-1543. Detecting fish product is crucial to ensure safety since meat was already reported carry several heavy metals that might harm human health. Pleco invasive...