underwater macro life in the lembeh straits of indonesia

animal aquatic black blue chromodoris colony color colorful coral crawl deep design dive diving exotic explore gastropod gastropoda gastropods house indonesia invertebrate invertebrates kbr lembeh life marine mollusca mollusk mollusks nudibranc nudibranchia nudibranchs ocean ophisthobranchia opisthobranchia opisthobranchs reef saltwater scuba sea seabed slug slugs straits stripe tropical underwater vacation water white willani