Threatened Species

Australia is home to the most incredible ocean wildlife on earth, but many of our species are threatened or endangered. Our threatened marine life like our turtles, whales and sharks need our help.

Australia’s oceans are some of the richest and most diverse on our blue planet.

Global studies have revealed that our northern oceans are some of the last remaining healthy tropical seas in the world. In our cool southern oceans, an incredible 80% of the marine species there occurs nowhere else on Earth.

This means that if we lose them from our waters, they are lost from the world forever.

Australians love our dolphins, seals and sea turtles, but many species are under threat from commercial fishing. Much of our marine wildlife has suffered from historical hunting and capture in fishing gear. Today, many species of seabirds, turtles, sharks and marine mammals are legally recognised as threatened – their future at risk. We must protect them from overfishing, pollution and climate change.

Help us protect the precious threatened and endangered animals in Australia’s oceans.

Under Threat

Australian sea lions

Australian sea lions are Australia's only pinniped, native only to our shores.


Dugongs are shy, elusive marine mammals that depend on healthy seagrass meadows for their diet.


15 species of dolphins and one species of porpoise live in Australian waters.

Hammerhead sharks

Hammerhead sharks are an iconic species inhabiting Australia’s waters but they are under threat.

Snubfin dolphins

Identified as a new species in 2005, the snubfin dolphin is Australia’s only native dolphin.

Southern bluefin tuna

Southern bluefin tuna are ‘critically endangered’ yet rampant fishing of this species continues.


Industrial shipping, plastic pollution and illegal hunting threaten our whales.


This unique and iconic ray is sadly under threat.

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