As commander of the Carthaginian fleet under Himilco in the great sea-fight off Catania, Mago completely defeated the fleet of the Syracusans under Leptines, the brother of Dionysius, sinking or destroying over 100 of their ships, as well as capturing many others.
Mago's triumph as commander of the Carthaginian naval forces under Himilco in the major sea battle off Catania against the Syracusan fleet led by Leptines, a brother of Dionysius, resulted in significant losses for the enemy, including over 100 ships sunk or destroyed and many more captured.