This awesome video of a California seal lion eating a leopard shark (Triakis semifasciata) was captured by sailor and YouTuber byox88x in San Francisco Bay.

Leopard sharks are a small coastal species that's native to North America's Pacific coastline. They're often confused with zebra sharks (Stegostoma fasciatum), which are in turn known as leopard sharks in parts of Australia and southeast Asia. The predation behaviour you see in the video is actually quite common; a leopard shark's teeth, though perfect for munching on invertebrates and small fish, are no match for the jaws of a 770 pound (350 kg) sea lion. 

Want more pinniped-on-shark action? Cape fur seals have been spotted munching on blue sharks! 

Top header image: Stacina/Flickr