Androsthenes (Greek, Ancient (to 1453);: Ἀνδροσθένης; literally meaning: "Man's Strength") of Thasos, son of Callistratus, was one of the admirals of Alexander the Great. He sailed as a trierarch with Nearchus, and was also sent by Alexander down the Euphrates to explore the coast of the Persian Gulf, skirting the coast of Arabia in a triacontor and sailing farther than Archias of Pella.[1] [2] He wrote an account of this voyage, titled The Navigation of the Indian sea ('Greek, Ancient (to 1453);: 'Ὁ τῆς Ἰνδικῆς παραπλοῦς).[3] [4] [5]