This study aimed to determine the effect of giving probiotic EM4 (Effective microorganism) with different doses on the growth and survival of selincah fish (Belontia hasselti). This study used a completely randomized design (CRD) consisting of 5 treatments with 3 replications each, namely P0 (control), P1 (10 ml/ kg of feed), P2 (15 ml/ kg of feed), P3 (20 ml/ kg of feed) and P4 (25 ml/ kg of f…