The only known things about his rule were three events: his relations with Sittius, his part in the war against Juba I and the Pompeians, and the annexation of Western Mauretania.

He was recognized as king by the Caesarean Senate in 49 BC, but he was previously hostile to Juba and it is unknown when exactly his reign began.

It is certain that by this time, him and his brother Bogud, would plead in favor of Caesar against the Pompeians and their ally Juba I, king of Numidia.

Bocchus's actions stopped there, but Sittius continued the fight, beating Saburra, the lieutenant of Juba, capturing Faustus Sulla, and Afranius, leading his fleet to Hippo Regius, where he caught Metellus Scipio's ship rushing.

[3] During Bogud's absence in Spain, Bocchus II seized the whole of Mauretania, and was confirmed sole ruler by Octavian.