The Port Jackson shark is endemic to the temperate waters around southern Australia and can be found in an area … See more

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. A study showed that captive and wild individuals … See more

Port Jackson sharks can grow up to 1.65 metres (5.5 ft) long and are similar to others of their genus, bearing a broad, blunt, flat head, an anal fin, and crests above its eyes. However, the species possesses characterist… See more

The Port Jackson shark has five gills, the first supports only a single row of gill filaments, while the remaining four support double rows of filaments. Each of the second to the fifth gill arches supports a sheet of m… See more

Male Port Jackson sharks become sexually mature between ages 8 and 10, and females at 11 to 14. They are oviparous, meaning that they lay eggs rather than give live birth to their young. The species has an annual bre… See more

Digestion of food can take a long time in the Port Jackson shark. Food moves from the mouth to the J-shaped stomach, where it is stored and initial digestion occurs. Unwanted items may never get any further than the st… See more