Harumanis mango (Mangifera indica L.) seeds have high phytochemical, in the form of tannins, saponins, alkaloids, flavonoids and gallotanin which have antibacterial, so this study aims to obtain the best dose of harumanis mango (Mangifera indica L.) seeds liquid for treat catfish (P. hypophthalmus) that has been infected with A. hydrophila from the leukocyte image. While the expected benefi…