Jeff Rotman / Close-up Port Jackson shark face (Heterodontus philippi) South Australia

Jeff Rotman / Nostrils and mouth parts of Port Jackson shark (Heterodontus philippi) at night, South Australia, Great Australian Bight

Jeff Rotman / Close-up of mouth of Port Jackson Shark (Heterodontus philippi) Eastern Australia, Indian Ocean.

Juergen Freund / Port Jackson shark (Heterodontus Philippi) amongst seaweed, Albany, Western Australia

Juergen Freund / Port Jackson shark (Heterodontus Philippi) swimming amongst seaweed, Albany, Western Australia

Doug Perrine / Port Jackson horn shark {Heterodontus philippi jacksoni} Australia, pacific

Pete Oxford / Port jackson shark, Galapagos. (Heterodontus philippi)

Jeff Rotman / Port Jackson Shark {Heterodontus philippi} South Australia