The seahorse has come to symbolize patience, protection, contentment and generosity. The seahorse gained symbolic and mystical meaning because the Ancient Greeks and Romans, European alchemists and the Chinese believed the seahorse was a magical creature with mystical significance.
The Ancient Greeks believed that the seahorse was connected to Poseidon, the god of the sea, earthquakes and horses. Thus, the seahorse symbolized strength and power. European alchemists thought the seahorse was the carrier of souls into the underworld. In this world view, the seahorse ensured safe passage. The Chinese believed the seahorse was a sea dragon that symbolized strength. They viewed seahorses as a sign of good luck.