Port Jackson shark

Port Jackson Shark

Port Jackson shark

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The Port Jackson shark, Heterodontus portusjacksoni, is a nocturnal, oviparous type of bullhead shark of the family Heterodontidae, found in the coastal region of southern Australia, including the waters off Port Jackson. It has a large head with prominent forehead ridges and dark brown harness-like markings on a lighter grey-brown body. Port Jackson sharks can grow up to long.

The Port Jackson shark is a migratory species, traveling south in the summer and returning north to breed in the winter months. They feed on hard-shelled mollusks, crustaceans, sea urchins, and fish.Port Jackson Sharks are quite distinctive blunt headed-sharks that lay eggs. Port Jackson Sharks have harness-like markings which cross the eyes, run along the back to the first dorsal fin, then cross the side of the body. This pattern makes it very easy to identify this species.

Distribution and habitat

The Port Jackson shark is endemic to the waters around Australia—it can be found in southern Australian waters and west of the south central coast of the continent. It is believed to have originated somewhere off the coast of South Africa. On one occasion it has occurred off the coast of New Zealand, however it is usually limited into two groups found from Northeastern Victoria to Western Australia and from Southern Queensland to New South Wales. It usually lives less than underwater, but has been known to...
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