Amphitrite

Amphitrite was the queen of the sea, wife of Poseidon, and eldest of the fifty Nereids.

Residence: The Sea
Symbols: Fish and dolphin
Parents: Nereus and Doris
Siblings: The Nereids
Consort: Poseidon
Children: Triton and Rhodus
Roman equivalent: Salacia

A Roman mosaic on a wall in the House of Neptune and Amphitrite, Herculaneum, Italy.

When Poseidon first sought Amphitrite’s hand in marriage, she fled his advances, and hid herself away near Atlas at the far ends of the earth. Delphin, the dolphin, eventually tracked her down and persuaded her to return to wed the king of the sea.

Triumph of Poseidon and Amphitrite. A detail of a vast mosaic from Cirta, c. 315–325 AD, Louvre.