dark, underwater cavern and beams of light

acidification adventure anemone animals beams beautiful biodiversity biology cave cavern change climate colorful conservation coral corals dark detail diverse diversity diving ecology ecosystem endemic environment evolution exposed fish fluorescent grotto habitat healthy island islands landscape lesser life light marine melanesia natural nature niche ocean pacific pattern reef reefbuilding remote research resort scenery scenic science seascape snorkeling solomon species sunlight symbiosis symbiotic tourism travel triangle tropical tropics underwater vacation vibrant water wild wildlife