Interesting species in Sydney

Articles on Sydney's more interesting locals: the hammer octopus, the Port Jackson shark, and what makes each worth looking for.

Articles featuring some of our interesting locals!

The Hammer Octopus

The Port Jackson shark

• The Hammer OctopusThe hammer octopus in Sydney: how to recognise one, where divers have found them, and why the sightings are worth recording.
• The Port Jackson sharkThe Port Jackson shark: why Sydney's most common shark aggregates here, how far it migrates, and the months you will see them.