Do sharks travel in groups?

The rules within a group are usually clear. The big sharks eat before the smaller ones, which wait until they finish up under penalty of being involved in the frenzy of the moment and also become the food of its companions. read more

The Gray reef sharks (Carcharhinus amblyrhynchos) only meet with female gray reef sharks when they have to mate. The sand tiger sharks (Carcharias taurus) congregate in groups of 5 or 6 individuals off the Atlantic coast of the United States and stay stacked on top of each other until it is their turn to mate. read more

And nurse sharks, pretty harmless, slender-bodied crustacean eaters , are sometimes found in groups of five, maybe up to fifteen. I did a shark dive in Myanmar on a seamount miles and miles from land, and the vast majority of the sharks were nurse sharks. read more