Underwater view of a whale shark gliding in the clear blue waters of the Philippines, sunlight dappling on its skin

whale shark underwater philippines marine life gliding clear water blue sunlight dappling skin ocean giant fish aquatic endangered wildlife conservation ecotourism biodiversity nature serene majestic gentle giant tropical sea swimming travel adventure tourism snorkeling scuba diving marine biology fish large spot pattern graceful ecofriendly summer holiday exploration natural habitat exotic tranquility peaceful rare preservation marine ecosystem oceanography filter feeder