Nereides, Greco-Roman, were animistic spirits of the sea, considered feminine personalities of whom Amphitrite was the best known. They were assigned the guardianship of the oceans by the great gods and invoked by seafarers. Also, they were attendants to Poseidon. A.G.H.
Jordan, Michael, Encyclopedia of Gods, New York, Facts On File, Inc. 1993, p. 181