Joyful 3D rainbow fish swimming in a colorful reef

"A cheerful, vibrant underwater scene in 3D cartoon style, featuring a sparkling rainbow-colored fish with glittering scales swimming happily. The fish has big expressive eyes and a friendly smile. Surrounding her are several smaller, colorful fish friends, looking joyful and playful. Bright coral reefs, swaying seaweed, and twinkling bubbles fill the background. Sunlight beams through the water, making the scales shimmer and sparkle. The scene is lively, magical, and full of movement, capturing friendship, sharing, and fun under the sea. Style is cute, kid-friendly, Cocomelon-inspired, with bright, vivid colors and consistent character designs across multiple images."