Nereid, a moon of the planet Neptune, is named after the Nereids. Nereid is the third-largest moon of Neptune. The Nereid Opis is mentioned in Virgil's "Aeneid". Nereid was discovered by Gerard P. Kuiper in 1949. He was the son of the Nereid Thetis and Peleus, king of Phthia. It is about in diameter, larger than Nereid, Neptune's third-largest moon. Actaea is a nereid or sea nymph. According to the first Greek god Poseidon wanted to marry Amphitrite, a beautiful nereid. Significantly, the triton and nereid who accompany the sea-god are not haloed. Nereid Lake in Antarctica is named after the nymphs. The shape of Nereid is unknown. It is implied that the "Nereid" survived the nuclear strike. Aeacus' second wife was the Nereid, Psamathe. There are currently no named features on Nereid. The reverse shows a Nereid mounted on a fantastic sea creature.