Other names: -
The Port Jackson Shark (Heterodontus portusjacksoni) is a bottom-dwelling shark species native to the temperate waters of southern Australia. Known for its distinctive harness-like markings and blunt head, this shark is primarily nocturnal, resting in rocky crevices during the day. It feeds on mollusks, crustaceans, and small fish, using its strong jaws to crush shells. The Port Jackson Shark is oviparous, laying spiral-shaped egg cases in crevices on the ocean floor.
Other names
-
Length
~120" (max 165)
Weight
~6" (max 16)
Water
Salt
Water Temp
15-22° F
Depth
--275 ft
Crabs
Crustaceans
Mollusks
Prawns
WormsSorry. Regulation data is empty
Port Jackson Sharks prefer rocky reefs and sandy bottoms in coastal waters
They are often found in shallow bays, estuaries, and occasionally deeper waters, depending on the season
Their diet includes sea urchins, mollusks, and crustaceans, which they crush with their powerful jaws
These sharks are generally nocturnal, seeking shelter in rocky crevices during the day and hunting at night
Port Jackson Sharks lay spiral-shaped egg cases, which females wedge into crevices to protect from predators
Eggs take several months to hatch, during which time the embryo develops inside the egg case
Juveniles hatch fully formed and remain in shallow waters until they grow larger
Adults often migrate seasonally, moving to deeper waters during winter and returning to shallower areas for the breeding season
