Ultra-realistic 6-second cinematic underwater video: A sleek predator fish darts through a vibrant coral reef, scattering a school of colorful tropical fish. The camera follows from a low FPV angle just behind the predator, weaving smoothly between corals and rocks with dynamic, fast-paced motion. The camera occasionally tilts and rolls slightly, emphasizing speed and depth, while sunlight filters through the water, creating shimmering rays and sparkling reflections. Tiny bubbles and particles f...