Marine biological diversity Coral reefs and islands Marine biology Marine organisms Natural history Anemone fishes Anesthesia in dentistry Anesthesia, Dental Architectural drawing Architecture Biodiversity -- Marine environment -- Philippines Case studies Complications Composition, proportion, etc Coral reef biology Coral reef ecology Coral reef fishes Damselfishes Dentistry, Operative Fishes--South Seas Freshwater fishes Harmony (Aesthetics) Hypnotics and Sedatives Marine biodiversity Palawan -- Philippines Sedatives Side effects Space (Architecture) Visual perception adverse effects