In Greek mythology, Plouto or Pluto was an oceanic nymph, daughter of Oceanus and Tethys. According to one ancient scholiast, Plouto was daughter of Cronus, identifying her with Demeter, the goddess of agriculture prosperity. Plouto was loved by Zeus. She bore him Tantalus. According to some versions, Plouto was married to Tmolus, the step father of Tantalus.