FRILLED SHARK
The Frilled Shark Lives in the blue highlighted areas.
By Chris_huh - Compagno, Leonard; Dando, Marc & Fowler, Sarah (2005). Sharks of the World. Collins Field Guides. ISBN 0-00-713610-2., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2827905
CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=7458229
The Frilled Shark has strange, long teeth used for grabbing it's prey.
By OpenCage - http://opencage.info/pics.e/large_8116.asp, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=10141837
On the right, you can see the shark's flexible jaws and throat. This is why it can eat up to 1/2 its size! On the left, you can see the shark's strange back neck and gills.
By OpenCage - http://opencage.info/pics.e/large_13408.asp, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=10166203