The epaulette shark is an opportunistic predator of benthic crustaceans, worms, and small bony fish. Off Heron Island, over 90% of the epaulette shark's diet consists of polychaete worms and crabs, with juveniles taking mostly the former and adults mostly the latter.
The epaulette shark's diet at Heron Island is dominated by polychaete worms and crabs, with juvenile sharks relying on worms and adult sharks focusing on crabs.