
Christmas tree worm (Spirobranchus giganteus) Aptly named to be at the top of our list, Christmas tree worms are a type of tube-building polychaete worm. Their multicoloured (and tree-like) spiral tentacles can be seen poking out of holes they’ve board into corals and are used to catch passing prey which is then passed down into their mouths. Popular with photographers, these brightly coloured underwater Christmas trees will disappear in front of our eyes should they sense anyone getting too close. Humbug dacyllus (Dascyllus aruanus) Despite it’s name, I like to think the Humbug dacyllus is a happy little fish and …
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