During the investigations on the shark fisheries of the Madras Presidency, a large number of specimens of Tiger sharks (Galeocerdo articus and G. rayneri) were examined. The stomach contents included the following different kinds of food fishes in the different areas: mackerel, seer, eels, silver-bellies, cat fishes, small sharks, ribbon fish, and anchovies. Besides the above economically important food fishes turtles and sea-snakes have been common in their diet. Sea-snakes have been observed in the stomach contents of tiger sharks in the both coasts.