Included on the sculpture of Augustus of Primaporta What is Cupid riding?

In the sculpture of Augustus of Primaporta, Cupid is depicted riding a dolphin. This imagery symbolizes Augustus' divine lineage, as Cupid is the son of Venus, the goddess of love, who is often associated with the Roman ideals of beauty and divinity. The dolphin also represents naval power and Augustus' successful military campaigns, particularly his naval victories.