A colorful nudibranch (Nembrotha kubaryana) crawls slowly across a reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

animal markings animal patterns animal themes animals in the wild aquatic biodiversity black close up color image colorful crawling directly above dorid nudibranch ecosystem gastropod green habitat horizontal indonesia invertebrate living organism macro marine biology mollusk multi colored nature nembrotha kubaryana neon no people nudibranch ocean one animal opisthobranch orange outdoors pacific ocean pattern photography rhinophore science sea sea life sea slugs southeast asia species striped sulawesi undersea underwater wilderness wildlife zoology