Julian Rocks is a fantastic site to dive or snorkel with a wide variety of both tropical and temperate marine life to encounter.
This is because they, like all sharks, lack a swim bladder, a sac-like organ that fish use to fine-tune their buoyancy.
To date, there are no documented cases of a Goblin Shark ever attacking a human.
Unfortunately however, in 1955 one did attack a diver in Trinidad Bay, California.
Bamboo Sharks are so docile, they have been noted to let divers stroke and pet them.
Elasmobranch Gonad Structure: A Description and Survey.