The Sirens were creatures that sang beautifully, luring those passing by to danger. Each Siren combined the appearance of a woman and a bird, Sirens had bodies of birds with the heads of women, while others made them look like women with the legs of birds. Sirens look like seductive women and minimized their bird features.
Triton, in Greek mythology, a merman, demigod of the sea; he was the son of the sea god, Poseidon, and his wife, Amphitrite. Triton dwelt with his parents in a golden palace in the depths of the sea. Sometimes he was not particularized but was one of many Tritons. He was represented as human down to his waist, with the tail of a fish. Triton’s special attribute was a twisted seashell, on which he blew to calm or raise the waves.
Thalassa was the primordial goddess of the sea. She produced the fish and other sea creatures. Thalassa was the literal body of the sea and in the fables of Aesop, manifests as a woman formed of sea-water rising from her native element.
Thalassa is depicted in Greco-Roman mosaics as a matronly woman, half-submerged in the sea, with crab-claw horns, seaweed for clothes, and a ship's oar in her hand.
Yemaya is the orisha of the surface of the ocean. She is the other half of Olokun, sometimes a sister and sometimes a wife.While Olokun is the Keeper of Secrets and rules over the depths of the ocean, Yemaya presides over the surface waters. She has great power as the Earth cannot thrive without her.
Olokun is the Orishas of great wealth and the ruler of the ocean. He is revered as the ruler of all bodies of water and has the authority of the other water deities. Olokun represents patience, endurance, observation, wisdom, vision and royalty. Olokun is one of many orishas known to help women that desire children.