4. Commander of a Carthaginian fleet, which, according to Justin, was despatched to the assistance of the Romans during the war with Pyrrhus, apparently soon after the battle of Asculum (B. C. 279). The Roman senate having declined the proffered aid, Mago sailed away to the south of Italy, where he had an interview with Pyrrhus himself, in which he endeavoured to sound that monarch in regard to his views on Sicily. (Justin, 18.2.) It was probably part of the same fleet which we find mentioned as besieging Rhegium and guarding the straits of Messana, to prevent the passage of Pyrrhus. (Diod. Exc. Hoesclel. 22.9, p. 496.)