A mermaid with long hair and colorful tail swimming in the ocean

rainbow mermaid,fantasy creature (mermaid:1.1),underwater scenery,ocean depths,beautiful detailed eyes,beautiful detailed lips,sparkling scales,flowing colorful hair,finely detailed fish tail,magical underwater lighting,calm and serene atmosphere,peaceful underwater kingdom,dreamlike setting,floating seaweed and coral,fascinating marine life,vibrant and bright colors,natural sunlight filtering through the water,iridescent jellyfish dancing around,playful and gentle sea creatures,ethereal and enchanting presence,mythical and mysterious aura.