Feeding Behavior
Adult tritons are active predators and feed on other molluscs and starfish. The giant triton has gained fame for its ability to capture and eat crown-of-thorns starfish, a large species (up to one metre in diameter) covered in poisonous spikes an inch long. This starfish has few other natural predators and has earned the enmity of humans in recent decades by proliferating and destroying large sections of coral reef.
Tritons can be observed to turn and give chase when the scent of prey is detected. Some sea stars (including the crown-of-thorns starfish) appear to be able to detect the approach of the mollusk by means which are not clearly understood, and they will attempt flight before any physical contact has taken place. Tritons, however, are faster than sea stars and only larger starfish have a reasonable hope of escape, and then only by abandoning whichever limb the snail seizes first.
The triton grips its prey with its muscular foot and uses its toothy radula (a serrated, scraping organ found in gastropods) to saw through the sea star's armoured skin. Once it has penetrated, a paralyzing saliva subdues the prey and the snail feeds at leisure, often beginning with the softest parts such as the gonads and gut.
Tritons will ingest smaller prey animals whole without troubling to paralyse them, and will spit out any poisonous spines, shells or other unwanted parts later.
Read more about this topic: Triton (gastropod)
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