Watching a shoal of colourful yellow tropical fishes on a healthy coral reef while scuba diving in crystal clear water on the Coral Triangle in Southeast Asia

coral reef reefs corals shoal snorkelling reef snorkeling underwater scuba dive diving east timor shoals scuba coral snorkel southeast asia diver timorleste timor leste south east asia crystal clear dive islands swimming tropics island yellow colourful beautiful clear tropical colorful triangle healthy