Seven gill sharks are among the most prehistoric shark species in the world. Unlike other species, their
anatomy remains fairly "unspecialized" and it most closely resembles fossil records of prehistoric sharks.
Currently this species is only known to exist in a few locations around the world.
Here we are diving with them near Simonstown, South Africa.
Watch the video
Barry gearing up for a shore entry and a hundred meter swim through a kelp forest.
One of the baboons who tried to break into our car while we were diving.