Before overfishing, the Spiny Dogfish was the most abundant spark species in the world.
The largest shark to ever exist! Over 50 feet long and up to 100X the mass of today's great whites!
Goblin Sharks are called a living fossil because their family, Mitsukurinidae, can be traced back 125 million years.
Frilled Sharks got their name from the six rows of gills on their throat that look like ruffled collars.