Ethereal goddess of the Pisces zodiac sign, submerged in the serene depths of the ocean. Her long hair and dress are woven from water itself and glowing air bubbles. Two intertwined fish swim gracefully beside her, emitting a soft bioluminescent glow. In the background, a mysterious coral reef and rays of moonlight piercing through the water. Color palette: deep indigo, violet, and turquoise with vibrant accents. Style: fantasy art, surrealism, cinematic lighting, highly detailed, dreamy atmosphere.