A full-body view of a friendly, smiling sea creature, specifically a cartoon-style aquamarine-colored fish with vibrant, swirling scales and big, shimmering eyes, set against a plain white background, with a wide shot and feet visible, in a whimsical, dreamy, and fantastical illustration style, with soft, gentle lighting and dynamic shadows, and a sense of movement and energy in the water around it, on a plain white background, even lighting