On the bottom left a small cupid rides atop one of two giant fish visible in the foamy waters at the bottom of the painting.  
It was one of the seven poesies that the artist painted for Philip II of Spain and preceded the Death of Actaeon in that series.  The title character is situated on the right side clutching a red robe with her left hand.  On the bottom left a small cupid rides atop one of two giant fish visible in the foamy waters at the bottom of the painting.  Two more cupids fly in the air in the top left, but one's eyes are drawn to the right, which is dominated by a massive white bull and the title character, who is clutching on to the bull's back.  FTP, name this painting by Titian that depicts an amorous adventure of Zeus.
It was one of the seven poesies that the artist painted for Philip II of Spain and preceded the Death of Actaeon in that series.  
The Rape of Europa