This steep-head parrotfish (scaridae - chlororus microrhinos) is one of the many delightful residents of a lagoon whose long stretch of natural coral reef and turquoise waters is one of the best secret snorkelling spots in the world, dubbed "the Aquarium" because it's relatively small and shallow - just one to four meters (3¼ to just over 13 feet) - yet home to myriad colourful tropical fish and healthy corals.

Read more about the Aquarium and more than a dozen more fantastic spots worldwide in member Megan Sashyl's post on our blog 15 of the World's Lesser Known Travel Wonders.

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