majestic underwater coral reef with sunlight and diverse marine life in a vibrant ocean scene

underwater coral reef marine ocean sunlight vibrant aquatic fish biodiversity ecosystem colorful sea nature tropical scenery underwaterworld diving snorkeling aquaticlife oceanlife seabed aquaticlandscape reefhabitat marineanimals seaweed corals tranquility beauty water environment ecology exploration habitat adventure harmony peaceful reeflife marinebiology oceanic natural picturesque serene submarine sanctuary wildlife ai generated