21. Nereid is Neptune's third-largest satellite and has an average radius of about.22. The shape of Nereid is unknown. 23. On the other hand, not all astronomers who have observed Nereid have noticed such variations. 24. Naiads combines with Forrest, Dryads with Waterloo, Nereids with Como and Oreads with Yarra. 25. The halo represents an triton and nereid who accompany the sea-god are not haloed. 26. Other researchers have so far failed to detect any periodic modulation in Nereid 's light curve. 27. When described as a Nereid in Classical myths, Thetis was the daughter of Nereus and Metis. 28. Athena helped in the former task, while Thetis and the Nereids helped in the latter one. 29. It is about 420 kilometres in diameter, larger than Nereid , the second to be discovered. 30. Has two children; his first, named Richard was thought to be kidnapped by the Nereids .
