Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait, with diver behind, in Brighton Sealife Centre, Brighton, England, UK. Model released, not property released

Doug Perrine / Zebra / Leopard shark {Stegostoma fasciatum}. Malaysia

Fred Bavendam / Zebra Shark (Stegostoma fasciatum), Andaman Sea, Thailand

Pascal Kobeh / Zebra / Leopard shark (Stegostoma varium) swimming away from the bottom, New Caledonia, Pacific Ocean.

Pascal Kobeh / Zebra / Leopard shark (Stegostoma varium) swimming away from the bottom, New Caledonia, Pacific Ocean.

Jeff Rotman / Zebra Shark (Stegostoma fasciatum) underside showing mouth, teeth, barbels, ampullae of Lorenzini (natural electrical detectors located in the heads of sharks and rays which are sensitive to the elect...

Doug Perrine / Zebra shark (Stegostoma fasciatum) detail of lower jaw teeth used for crushing shells of molluscs and crustaceans, and for grasping small fish, Birch Aquarium, La Jolla, California, USA

Tony Wu / Zebra shark (Stegostoma fasciatum) lying on sandy bottom at a reef located in Wolverine Passage, part of the Barrier Reef of Papua New Guinea

Tony Wu / Zebra shark (Stegostoma fasciatum) swimming up from sandy bottom at a reef located in Wolverine Passage, part of the Barrier Reef of Papua New Guinea

Jordi Chias / Zebra / leopard shark (Stegostoma fasciatum) swimming over the reef, Vaavu atoll, Maldives, Indian Ocean

Pascal Kobeh / Close-up of a leopard shark or zebra shark (Stegostoma fasciatum) Maldives, Indian Ocean.

Aflo / Zebra shark (Stegostoma fasciatum) on sea floor, Maldives, September.

Pascal Kobeh / Zebra / Leopard shark (Stegostoma varium) resting on sea floor, Maldives. Indian Ocean.

Pascal Kobeh / Zebra / Leopard shark (Stegostoma varium) resting on sea floor, Maldives. Indian Ocean.

Pascal Kobeh / Zebra / Leopard shark (Stegostoma varium) resting on sea floor, Maldives. Indian Ocean.

Pascal Kobeh / Female diver above Zebra / Leopard shark (Stegostoma varium) resting on sea floor, Maldives. Indian Ocean. March 2013.

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait, in Brighton Sealife Centre, Brighton, England, UK.

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait, with diver behind, in Brighton Sealife Centre, Brighton, England, UK. Brighton Aquarium is the world's oldest operating public aquariu...

Alex Mustard / A Zebra / Leopard shark (Stegostoma fasciatum /varium) swimming over a reef at dawn. Sipadan Island, Sabah, Borneo, Malaysia. May

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait in Brighton Sealife Centre, Brighton, England, UK.

Juergen Freund / Zebra shark (Stegostoma fasciatum) newly hatched from egg case, Indo-pacific

Juergen Freund / Zebra shark (Stegostoma fasciatum) newly hatched from egg case, Indo-pacific

Jeff Rotman / Aquarium Scientists inject antibiotic into Zebra shark (Stegostoma fasciatum) in aquarium, Manly Oceanworld, Sydney, New South Wales, Australia.

Doug Perrine / Zebra / Leopard shark {Stegostoma fasciatum} Layang Layang atoll, Malaysia

Fred Bavendam / Zebra Shark (Stegostoma fasciatum) portrait, underwater, Phuket, Adaman Sea, Thailand

Fred Bavendam / Zebra Shark (Stegostoma fasciatum), Andaman Sea, Thailand

Doug Perrine / Zebra / Leopard shark {Stegostoma fasciatum} Layang Layang Atoll, Malaysia (Non-ex).

Doug Perrine / Zebra / Leopard shark {Stegostoma fasciatum} Sabah, Malaysia (Non-ex).

David Fleetham / Leopard / Zebra shark (Stegostoma fasciatum), resting on seabed, Thailand.

David Fleetham / Leopard / zebra shark (Stegostoma fasciatum), resting on seafloor, Thailand.

Ian Coleman / Illustration of Zebra shark / Carpet shark (Stegostoma fasciatum), Stegostomatidae. Endangered / threatened species.

Henley Spiers / Leopard / Zebra shark (Stegostoma fasciatum) swimming over reef, Byron Bay, New South Wales, Australia, Pacific Ocean.

Henley Spiers / Leopard / Zebra shark (Stegostoma fasciatum) swimming over the reef surrounded by small fish, Byron Bay, New South Wales, Australia, Pacific Ocean.

David Fleetham / Zebra / Leopard shark (Stegostoma fasciatum) egg case on shingle seabed, Indo Pacific, Yap, Mocronesia.

Pascal Kobeh / Zebra o/Leopard shark (Stegostoma varium) laying on the sea floor, Indian Ocean, Maldives.

Pascal Kobeh / Zebra / Leopard shark (Stegostoma varium) resting on the sea floor, Maldives, Indian Ocean.

Pascal Kobeh / Zebra or Leopard shark (Stegostoma varium) swimming towards the surface, Indian Ocean, Maldives.

David Fleetham / Zebra / Leopard shark (Stegostoma fasciatum) cruising along the edge of an underwater drop off, Philippines.