When we think of scary sharks, we often think of Great Whites.
After all, they're enormous. Those teeth are the stuff of nightmares. In reality, many shark attacks are carried out by the Great White's much smaller cousin, the bull shark. Known for being aggressive and living in shallow, warm water around the world, you're much more likely to run into one of these nasty fellows.
A spear fisherman swimming off the coast of North Queensland, Australia, however, caught a highly unusual and terrifying behavior on video.