astral tadpole, glowing body, transparent skin, starry texture, bioluminescent spots, ethereal fins, graceful swimming pose, cosmic environment, nebula background, floating in space, celestial bodies, soft ambient lighting, close-up shot, detailed scales, iridescent colors, surreal, 3/4 view, high-definition, mystical, serene atmosphere, no gravity effect, fantasy creature, vibrant hues, shimmering tail, digital painting texture, otherworldly.