Christmas tree worms (Spirobranchus giganteus) grow on a coral reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.

animal animal themes animals in the wild annelid aquatic christmas tree worms close up color image colorful coral coral reef coral triangle day extreme close up focus on foreground front view habitat horizontal indo pacific ocean indonesia macro marine biology multi colored national park nature no people ocean outdoors photography polychaete worms reef sea life serpulidae southeast asia species spicules spiral gilled tubeworm spirobranchus giganteus sulawesi three animals tubular undersea underwater wakatobi wakatobi national park wilderness wildlife worms zoology