Look at that smile 😁 Do you know which of these three statements about sand tiger sharks isn't true? 1. These large sharks may be toothy, but they’re actually quite docile. 2. Sand tiger sharks are unique among sharks in that they often come to the ocean surface to gulp air. 3. Sand tiger sharks are commonly found near coral reefs and in the open ocean. Let us know your answer to this #TwoTruthsTuesday puzzle in the comments and learn more about the images used for the #NationalMarineSanctuariesStamps by visiting https://sanctuaries.noaa.gov/news/aug22/introducing-sanctuaries-forever-stamps.html. (Image description: Sand tiger shark patrolling Monitor National Marine Sanctuary, surrounded by a school of fish. Credit: Greg McFall/NOAA) #EarthIsBlue #Sharks #NOAA #SharksofInstagram #Underwater #Wildlife #SandTigerShark #WorldTourismDay #Shark #SCUBA #Diving #DivePhotography