Snorkelers with Galapagos sea lion (Zalophus wollebaeki) underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

snorkelers galapagos underwater ecuador galapagos islands unesco marine life ocean adventure snorkeling wildlife nature swimming tourism sea mammals conservation biodiversity aquatic ocean exploration interaction travel vacation tropical clear water playful fauna ecosystem islands nature lovers aquatic experience diving marine biodiversity oceanic sea creatures island hopping eco tourism outdoor activities wildlife encounter animal behavior ocean habitat natural beauty snorkeling experience sea lion zalophus wollebaeki