Sea in culture sea nymphs whose parents were Nereus and Doris. The Tritons, sons of Poseidon, who were variously represented with the tails of fish or seahorses, formed Poseidon's retinue along with the Nereids. The mythic sea was further peopled by dangerous sea monsters such as Scylla. Poseidon himself had something of the shifting character of the sea, presiding not only over the sea, but also earthquakes, storms and horses. Neptune occupied a similar position in Roman mythology. Another Greek sea-god, Proteus, specifically embodies the domain of sea change, the adjectival form "protean" meaning mutable, able to assume many forms. Shakespeare makes use
Poseidon aristocratic Indo-European horse-god who was then assimilated to Near Eastern aquatic deities when the basis of the Greek livelihood shifted from the land to the sea, or a god of fresh waters who was assigned a secondary role as god of the sea, where he overwhelmed the original Aegean sea deities such as Proteus and Nereus. Conversely, Walter Burkert suggests that the Hellene cult worship of Poseidon as a horse god may be connected to the introduction of the horse and war-chariot from Anatolia to Greece around 1600 BC. It is almost sure that once Poseidon was worshiped as a