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The Port Jackson shark is a nocturnal species which peaks in activity during the late evening hours before midnight and decreases in activity before sunrise. [2] A study showed that captive and wild individuals displayed similar movement patterns and the sharks' movements were affected by time of day, sex, and sex-specific migrational behaviour.
Two marine biologists share 10 shark facts for kids, as well as why shark attacks happen and why sharks are essential to human survival.
Shark Island. Shark Island is an island located within Sydney Harbour, in New South Wales, Australia.The island is 1.5 hectares (3.7 acres) in area, [1] measuring some 250 metres by 100 metres, and lies off the Sydney suburbs of Point Piper, Rose Bay and Vaucluse, in the eastern section of the harbour between the Harbour Bridge and the harbour entrance.
Port Jackson may also refer to: Port Jackson, New Zealand, a small settlement on the Coromandel Peninsula's coast; Port Jackson shark, a species of shark found in the coastal region of southern Australia, including the waters in the harbour of Sydney; Port Jackson willow or Acacia saligna, a species of Acacia from Australia that has become an ...
Researchers in Australia discovered a slumber party consisting of thousands of female Port Jackson sharks. Girls rule: Video shows researchers discovering girls-only shark sleepover with robot ...
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The zebra bullhead shark (Heterodontus zebra) is a bullhead shark of the family Heterodontidae found in the central Indo-Pacific between latitudes 40°N and 20°S, from Japan and Korea to Australia. [ 1 ] [ 2 ] It is typically found at relatively shallow depths down to 50 m (160 ft), but off Western Australia , it occurs between 150 and 200 m ...
Discovery’s “Shark Week” has a rival — its programming coincides with National Geographic’s “SharkFest,” which also has hours of sharky content, including Anthony Mackie exploration ...