Aquaculture is growing drastically over the years with intensification. On the other hand intensification increased the stress, occurrence of diseases, introduction of new pathogens and application of the synthetic chemical substances to overcome these problems. Recently adoption of herbal medicine in aquaculture practices is becoming the trend due its advantages over the chemical substances. Plants are storehouses and sources of safer and cheaper chemicals. Numerous herbal plants have been identified for its anti-microbial, antifungal, anti-parasitic, growth promotion, appetite stimulation, immunostimulation and stress reducer properties. Indian almond tree (Terminalia catappa Linn.) is one among them. Tannin is the major chemical component of T. catappa which exhibits the antimicrobial property. The reports on use of Indian almond leaves as herbal biomedicine have been reviewed in the present article. The extensive work need to be done to optimize the dose and duration of treatment against the most common pathogens. | Indian almond tree (Terminalia catappa Linn.) as herbal biomedicine in aquaculture industry