Marine Australia
croc-lurking

Ancient Wonders

Have you wondered who would win in a fight between a crocodile and a shark. Don’t kid yourself: this thought has crossed your mind before, right? My money is on the croc. Crocodiles,…

Dolphin spongers 'wear' the porous invertebrates on their beaks to help them hunt for prey on the ocean floor. Image: Ewa Krzyszczyk, monkeymiadolphins.org

Australian dolphins form a subculture

Bottlenose dolphins display the first evidence of animal grouping based on mutual interests.

Squid

Heavy mating has a cost

The dumpling squid (Euprymna tasmanica) mates for up to three hours and cannot return to peak physical form for up to 30 minutes.

Our coral reefs may be on the brink of collapse, just like they did 4,000 years ago. Image: Shutterstock

El Niño to blame for ancient reef collapse

Ancient reef foretells the possible fate of modern coral reef ecosystems.

Small-eye pigmy sharks' derbellies are covered in tiny, light-emitting photophores that are able to fill their revealing silhouettes. Image: © Dr J. Mallefet / Dr J.Claes FNRS/  UCL

Glowing can be an effective camouflage

Small-eye pigmy sharks’ bellies shine to disguise them from predators.

Nemo’s days are numbered

Ocean’s growing carbon dioxide levels may threaten coral fish

From dolphins and fish

When a predatory dolphin is on the hunt for food, fish often hide in an empty conch shell.

Tooling around

Believe or not, fishes use tools to eat.

Meet the seahorses of Sydney Harbour

Sydney has arguably the best marine life of any major city on the planet and is the easiest place in the world to come face-to-face with seahorses in the wild.

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