25 Crazy Shark Facts You Can Sink Your Teeth Into

Posted by , Updated on July 23, 2018

Cue the Jaws music and get out of the water as fast as you can. Shark Week 2018 is here. Since 1988, Shark Week has been a much anticipated, week-long event, getting people fascinated by those ferocious sharp-toothed creatures of the deep. These kings of the ocean may have a hard time distinguishing between friends and food, but they’re still a prime favorite among people all over the world. In honor of Shark Week 2018, here are 25 Crazy Shark Facts You Can Sink Your Teeth Into.

Subscribe to List25


Expensive Dental Bills

shark teethSource: http://www.thesuperfins.com/how-many-teeth-does-a-shark-have-in-its-lifetime/

The average shark has 40-45 teeth and can have up to seven rows of replacement teeth. Because sharks lose a lot of teeth and grow them back quickly, they often go through more than 30,000 teeth in a lifetime.


Bad to the Bone

sharksSource: http://www.iflscience.com/plants-and-animals/no-bones-about-it-sharks-evolved-cartilage-reason/

Sharks today don’t have bones. Their skeletons are made of cartilage. Subsequently, this makes it harder to study their fossils, but paleontologists believe they found an earlier ancestor to sharks that actually did have bones once. 


Jam Packed


Hammerhead sharks are born with soft heads so they won’t jam their mothers’ birth canals.


Not Your Mama’s Cookies


The Cookiecutter shark’s name stemmed from its unusual feeding method. The sharks attach its mouth onto its victim and carve out a hunk of flesh, leaving a circular wound in its prey that resembles the hole a pastry cutter forms in dough.


Survival of the Fittest


The first tiger shark pup to hatch inside its mother’s womb devours its unborn siblings until only two pups remain, one on each side of the womb.

Photo: Featured Image - Shutterstock, 1. Samuel Windsor (Fair Use: Illustrative Purposes Only), 2. USFWS - Pacific Region, Grey reef sharks,Pacific Remote Islands MNM, CC BY 2.0 , 3. Pixabay.com (Public Domain), 4. NOAA Ocean Exploration & Research, Smalltooth Sand Tiger Shark, CC BY-SA 2.0, 5. Karen Carr, VMNH megalodon, CC BY 3.0 , 7. m-louis, Shark ear, CC BY-SA 2.0 , 8. Malcolm Lidbury (aka Pink pasty), Fossil Shark Teeth Folklore Divination tools, CC BY-SA 3.0 , 9. Víctor Cebollada, Pardachirus marmoratus, CC BY-SA 3.0 , 10. Javontaevious, Dwarf Lanternshark, CC BY-SA 3.0, Abe Khao Lak, Similan Dive Center - great whale shark, CC BY-SA 4.0 , 11. Albert kok, Caribbean reef sharks and a lemon shark , CC BY-SA 3.0 , 12. WikipediaCommons.com (Public Domain), 13. Hermanus Backpackers, Great white shark south africa, CC BY 2.0 , 14. Yakuzakorat, Scientists are working in the lab.24, CC BY 4.0 , 15. Use or reproduction of this image outside of Wikipedia must give the original photographer (Andrew Shiva) credit. Although not required, it would be appreciated if a message was left here indicating where this image was being used., Great White Shark (Carcharodon carcharias) 02, CC BY-SA 4.0 , 16. WikipediaCommons.com (Public Domain), 17. Christian Haugen, Shark fins right outside Sirena ranger station, CC BY 2.0, 18. Bernard DUPONT, Great White Shark (Carcharodon carcharias), CC BY-SA 2.0, 19. Pixabay.com (Public Domain), 20. Ibolya, Frilled-shark, CC BY 2.0, 21. Albert kok, Tiger shark, CC BY-SA 3.0 , 22. WikipediaCommons.com (Public Domain), 23. Pixabay.com (Public Domain), 24. PxHere.com (Public Domain), 25. Photolib.noaa.gov (Public Domain)

SEE ALSO: 25 Life Hacks That Actually Don't Help Make Your Life Better »

NOW WATCH: 25 Best Netflix Original Movies

Subscribe to List25
Show Us Your Love
Join Over 2 Million+ List25 Fans