The relationship between Poseidon and sea creatures in Greek myths is complex, showcasing a divine authority over the ocean's inhabitants. Poseidon, the god of the sea, is often depicted as ruling over various marine beings, such as tritons, nereids, and mythical creatures like the hippocampus. His temperament influences the behavior of these creatures, reflecting his moods and actions. Furthermore, Poseidon’s mythological narratives elaborate on themes of power, chaos, and the inherent connection between gods and nature, emphasizing his pivotal role in shaping the marine realm.