Are Port Jackson Sharks Dangerous. Heterodontus portusjacksoni Port Jackson Shark [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 They have strong jaws equipped with plate-like teeth for crushing invertebrates and bivalve mollusks, such as clams and mussels.
Heterodontus portusjacksoni Port Jackson Shark from reeflifesurvey.com
They have strong jaws equipped with plate-like teeth for crushing invertebrates and bivalve mollusks, such as clams and mussels. The Port Jackson shark, also known as the Horn shark, is a species of bullhead shark that is found in the coastal waters of southern Australia
Heterodontus portusjacksoni Port Jackson Shark
Surveys indicate that the number of Port Jackson Sharks in Bass Strait declined from 701 individuals caught per 1,000 km lift hours in 1973-1976 to 169 in 1998-2001 (Braccini et al The Port Jackson Shark has two triangular dorsal fins, each with a strong spine, and a small anal fin, and jaws with sharp grasping teeth at the front, and flat grinding molars at the rear 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
Port Jackson Shark SydneyDives. The Port Jackson Shark has two triangular dorsal fins, each with a strong spine, and a small anal fin, and jaws with sharp grasping teeth at the front, and flat grinding molars at the rear 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
Fish Port Jackson Shark Barwon Bluff. Feeding: Port Jackson Sharks generally feed at night 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