vaillants chiton (acanthopleura vaillanti), scraping algae from corals. red sea, egypt

acanthopleura animal aquatic chiton chitons coastal colorful colors coral fish reef reefs deep dive diving egypt environment intertidal invertebrate life marine marsa alam mollusk natural nature wildlife polyplacophora red sea rock salt tide tropical undersea underwater vaillants water wild vaillanti scraping algae corals corals egypt