The objective of the present study is to investigate the bioefficacy of the leaves extracts of Hyptis suaveolens (L.) Poit against the fish pathogens isolated from diseased Tilapia (Oreochromis niloticus). The petroleum ether, ethanol, ethyl acetate, chloroform and aqueous extracts of H. suaveolens were tested against viz., Aeromonas formicans, Aeromonas hydrophila, Bacillus subtilis, Escherich...