The battle was evenly matched, and raged for a long time, but the balance tipped towards the Athenians when Alcibiades sailed into the Hellespont with eighteen triremes.
A batalla estivo igualada e desencadeouse con furia moito tempo, pero a balanza inclinouse cara aos atenienses cando Alcibíades arremeteu no Helesponto con 18 trirremes.