Whimsical underwater scene, Stephen Hillenburg's style, bright colors, bold lines, exaggerated features, a cheerful smiling fish, yellow with blue stripes, big round eyes, swims near a coral reef, sea anemones, schools of small fish, ocean plants, wavy seaweed, sunlight filtering down from above, warm glow, playful bubbles rising to surface, 3/4 composition, cinematic angle, vibrant textures, stylized seawater effects.