 Hasdrubal bided his time, avoiding any battles with the Romans.As Publius Scipio neared Castulo, he was harassed day and night by the Numidian light cavalry under Masinissa.When informed that Indibilis was moving across his line of retreat with 7,500 Iberians, Publius Scipio decided not to face Mago but to attack the Iberian chieftain, fearing that he would be surrounded by Carthaginian forces.