This article highlights five ocean creatures that capture the festive spirit of the holiday season. The Christmas Tree Worm resembles a small tree with its colorful branches. The Red Lionfish is striking with its red and white stripes but is also venomous. The elusive Cookie Cutter Shark feeds on larger prey, creating distinctive bite marks. The Decorator Crab decorates itself with sea materials for camouflage, while the Ivory Bush Coral offers a snowy appearance underwater. Together, these creatures showcase the beauty and diversity of marine life during this festive time.