: Hikmatulloh, S.Kom, M.Kom; Dr., Dwiza Riana Riana Riana Riana; Jamal, Maulana Hudin Hudin Hudin; Susilawati, S.E, M.M; Dede, Wintana Wintana Wintana; Sri, Hadianti Hadianti Hadianti;
flatworms that are parasitic and attack the skin and gills of fish are called monogenean parasites. In this study 3 monogenic parasites were used, nam