Diet of mudcrab Scylla serrata consists of crustaceans, mollusks, fish flesh, detritus, debris and undigested flesh. The presence of detritus, debris and undigested flesh items in the stomachs suggested that the crabs are detritivorous species consuming fresh and decaying flesh of all kinds of finfish and shellfish. The detritus comprise of many materials like body parts of invertebrates, mud and sand with decaying organic matter. The source of semidigested flesh could not be identified unless accompanied by fish bones or scales or crustacean fragments. The sand particles might have entered the stomach during the feeding process. However, the feeding ecology of this crab depends on the source or abundance of its food in the environment. Fattening and grow out culture of mudcrab uses different types of flesh of finfish and shellfish and is becoming popular due to better economic returns.