underwater macro life in the lembeh straits of indonesia

animal aquatic chromodorididae chromodoris close closeup coral creature diving gastropod gastropoda gastropods indonesia invertebrate invertebrates kbr lembeh life macro marine mollusca mollusk mollusks nudi nudibranchia nudibranchs ocean ophisthobranchia opisthobranchia opisthobranchs reef retreat scene sea shell slug slugs straits sulawesi tropical underwater water wet willani worm