陽光差し込む海面下を滑空する巨大マンタ

wide ocean scene of a giant manta ray swimming gracefully near the surface, wings fully extended across a large portion of the frame, sunlight filtering from above creating soft rays and reflections, smaller fish swimming alongside and beneath it, open water stretching into the distance with a gentle blue gradient, smooth motion and elegant form, ultra realistic, 8k --ar 2:3 --no text, watermark, logo