Task: Text Simplification
Input (English): The silky shark is an opportunistic predator , feeding mainly on bony fishes from all levels of the water column , including tuna , mackerel , sardines , mullets , groupers , snappers , mackerel scads , sea chubs , sea catfish , eels , lanternfishes , filefishes , triggerfishes , and porcupinefishes .
Output (English): The Silky shark feeds mainly on bony fish such as tuna , mackerel , sardines , mullets , groupers , snappers , sea chubs , sea catfish , eels , lanternfish , filefish , triggerfish , and porcupinefish .