Sora Prompt: An ultra-realistic betta fish swimming in crystal-clear water, with long flowing fins in vivid blue, red, and purple. A natural green aquatic plant is nearby, gently swaying. Realistic rays of sunlight stream through the water from above, creating soft god rays, light particles, and natural water refraction. Macro underwater photography style, lifelike textures, sharp focus on the fish, true-to-life colors, cinematic realism, peaceful atmosphere.