The cookiecutter shark has a very peculiar set of skills and is known for its distinctive feeding behavior. Despite leaving its mark on a wide variety of creatures (and even some humans and inanimate objects), much about these small sharks remains a mystery! Guest Aaron Carlisle from the University of Delaware's School of Marine Science and Policy brings his perspective and highlights the challenges of studying this amazing and strange fish.

If you like sharks, you might like these episodes!

• Blacktip Reef Shark (S4:E30)
• Pacific Sleeper Shark (S4:E23)
• Greenland Shark (S3:E29)
• Goblin Shark (S2:E42)
• Salmon Shark (S1:E29)