Tiger grouper or brown marble grouper, Epinephelus fuscoguttatus, is the most popular marine finfish for culture and highly esteemed in the South East Asian region. This species can be cultured in floating net-cages as well as earthen ponds; in monoculture or polyculture in brackish water environment. The rapid development of marine cage culture especially of grouper is evident by the high increase in production in recent years