Description

Port Jackson Shark – Heterodontus portusjacksoni

Overview:
The Port Jackson Shark is a unique and hardy species of bullhead shark, known for its distinctive harness-like markings and blunt head with ridged teeth. It is a calm, nocturnal predator that adds intrigue and character to large marine aquariums.

Origin:
Native to the southern coasts of Australia, commonly found in rocky reefs, sandy bottoms, and kelp forests.

Feeding:
Carnivorous – feeds on mollusks, crustaceans, small fish, and other benthic invertebrates. Hard-shelled prey helps maintain healthy teeth.

Tank Mates:
Best kept with other large, non-aggressive fish. Avoid small fish or invertebrates, as they may be targeted as prey.

Aggression:
Generally peaceful but may hunt smaller tank mates.

Experience Level:
Advanced – requires a very large, well-established aquarium with strong filtration and stable water parameters.

Water Parameters:

Temperature: 59–72°F (15–22°C)
pH: 8.0–8.4
Salinity: 1.020–1.025
Minimum Tank Size: 1,000+ gallons

The Port Jackson Shark is a captivating, low-maintenance, and nocturnal predator, perfect for advanced marine aquarists looking to introduce a unique and educational centerpiece species to their aquarium.