When parrotfish sleep at night, they often secrete a mucus "sleeping bag" around themselves for protection from predators. The bags also have antibiotic properties that are beneficial for the fish. There are over 30 species of parrotfish on the Great Barrier Reef and you are usually guaranteed to see these magnificently coloured creatures swimming over the corals. They all share a few common traits, the most obvious being their teeth. Parrotfish evolved from the carnivorous wrasse family, but through the course of time, their teeth have moved forward on the jawbone and reduced in size. Eventually, the teeth fused together creating a very useful tool for scratching algae off the surface of the coral. Filmed at Norman Reef recently, check out this video clip of a parrotfish tucked away for the night while the coral spawns. Vision courtesy of Satoshi Kagimoto, Indepth Video. Enjoy a day trip to spot a parrotfish and many more tropical creatures with Great Adventures - Green Island Cruises http://www.greatadventures.com.au/

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Step aboard The Junk & The Phinisi to discover a dive experience like no other. From the vibrant reefs of the Similan Islands to the remote beauty of the Mergui Archipelago, our liveaboard adventures are where world-class diving meets timeless seafaring charm. It’s more than a dive trip… it’s days filled with exploration, connection, and moments you’ll carry long after you’ve surfaced. 🌊 Join us beneath the waves and beyond the ordinary. Learn more about our trips: https://thejunk.com/

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Manta cleaning station in the Maldives

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CLUB MARINE TV YouTube Channel https://youtu.be/Wej46SSqlsw For some time now Peter Harburg’s Black Jack – the lightest of the super maxis racing to Hobart - has been touted as the one to watch, particularly if the race turns up some lighter air phases, as it frequently does. In this interview, recorded just after Black Jack’s win in the SOLAS Big Boat Challenge, skipper Mark Bradford explains the thinking behind the foil design for the boat, how it’s used and why it needed to be different from the foils aboard Black Jack’s near twin, Wild Oats XI.

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