A slender, elegant sea serpent with pearlescent white scales and translucent fin-like crests resting along the shoreline of a pink sand beach. Its scales shimmer with a soft rainbow sheen under golden sunlight. The serpent’s head is refined and equine-like with soft, intelligent eyes. Gentle turquoise waves wash around its body. The atmosphere is misty and magical. High-detail textures, cinematic lighting, shallow depth of field, pastel tones, fantasy realism, ethereal mood, 8K resolution.