Notable for its seven gill slits (most sharks have five or rarely, six), the broadnose sevengill shark is also the only member of the genus Notorynchus. It has a large, thick body with a blunt snout. These sharks tend to inhabit offshore waters making occasional forays to the surface. They are opportunistic feeders, its food items including other sharks, rays, pinnepeds, bony fish, snails, and carrion. They are also known to hunt in packs in order to take down larger prey.