![HelenTheShark on Twitter: "The Ragged Tooth Shark (aka Sand Tiger Shark) gulp down and keep air in their stomachs to keep them from rolling over or sinking. They're often seen in aquariums. # HelenTheShark on Twitter: "The Ragged Tooth Shark (aka Sand Tiger Shark) gulp down and keep air in their stomachs to keep them from rolling over or sinking. They're often seen in aquariums. #](https://pbs.twimg.com/media/Ej0MYAkXsAEHaBD.jpg)
HelenTheShark on Twitter: "The Ragged Tooth Shark (aka Sand Tiger Shark) gulp down and keep air in their stomachs to keep them from rolling over or sinking. They're often seen in aquariums. #
![Stock photo of Ragged tooth shark (Carcharias taurus) showing teeth, De Hoop, South.... Available for sale on www.naturepl.com Stock photo of Ragged tooth shark (Carcharias taurus) showing teeth, De Hoop, South.... Available for sale on www.naturepl.com](https://www.naturepl.com/cache/pcache2/01445004.jpg)
Stock photo of Ragged tooth shark (Carcharias taurus) showing teeth, De Hoop, South.... Available for sale on www.naturepl.com
![Ragged Tooth or Sand Tiger Shark (Carcharias Taurus) cruising reefs, Aliwal Shoal, South Africa Stock Photo - Alamy Ragged Tooth or Sand Tiger Shark (Carcharias Taurus) cruising reefs, Aliwal Shoal, South Africa Stock Photo - Alamy](https://c8.alamy.com/comp/H3MY77/ragged-tooth-or-sand-tiger-shark-carcharias-taurus-cruising-reefs-H3MY77.jpg)