Tawny Nurse Sharks Swarming Around Boat For Food, Underwater Closeup

tawny nurse shark nurse shark carpet shark snorkeling nurse sharks maldives maldives snorkeling underwater clear blue group sea water boat tour prowl gather feeding crystal sunlight caustics refraction fish marine life no people nobody tourism snorkel attraction nebrius ferrugineus ginglymostomatidae pack atoll animal shallow surface ocean undersea swarm circling close closeup cluster vacation travel ecotourism leisure swim excursion shark