Aquaculture has become an important economic activity in many countries. In large-scale production facilities, where aquatic animals are exposed to stressful conditions, problems related to diseases and deterioration of environmental conditions often occur and result in serious economic losses....

A total of 20 actinobacterial strains were isolated from the two estuarine fishes and examined for their amylase activity. Among them, one strain AS-10, which was identified as Streptomyces galilaeus showed higher amylase activity with lower biomass and it was taken for further study. The effect...