The Triton Trump Snail is widespread in Pacific and Indian Ocean, commonly seen in coral reef of Taiwan and its off-shore islands. They live in shallow water below the subtidal zone. The large-sized shell is measured over 40 cm. Adult tritons are active predators and feed on other mollusks and starfish. The giant triton has gained fame for its ability to capture and eat crown-of-thorns starfish thus may protect the health of coral reef.