A beautiful nudibranch (Glossodoris cincta) crawls on the black sand seafloor in Lembeh Strait, Indonesia.

animal animal behavior animal themes animals in the wild aquatic beauty in nature biogeography bizarre black background black sand blue chromodorididae color image doridoidea ecology full length gastropod girdled nudibranch glossodoris cincta horizontal indonesia lembeh lembeh strait marine biology mollusk no people nudibranch ocean floor one animal outdoors pacific ocean photography sea life sea slugs seabed seafloor side view soft bodied southeast asia sulawesi undersea underwater wildlife yellow