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
4341 Poseidon a brightness variation of 0.08 magnitude (). A second lightcurve was obtained during the " Near-Earth Objects Follow-up Program" which gave a concurring period of hours and an amplitude of 0.07 magnitude (). A low brightness variation typically indicates that the body has a nearly spheroidal shape. This minor planet was named for the "God of the Sea", Poseidon, one of the Twelve Olympians in Greek mythology. He was also referred to as "Earth-Shaker" due to his role in provoking earthquakes, which were then thought to be caused by ocean waves beating on the shore. He was the brother of