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The Stonefish is another of Australia's deadly marine creatures and considered to be the most venomous fish in the world.

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As the name suggests, Stonefish can be superbly camouflaged, often looking like an encrusted rock or lump of coral.

While searching for their prey, Stonefish remain still giving the appearance of a rock. This not only helps them to hide from predators, but allows the Stonefish to surprise its prey.

Powerful Protection

When a Stonefish feels threatened or disturbed, it erects 13 poisonous dorsal fin spines as a defence, but remains motionless. The Stonefish’s toxin is released from the spines when pressure is placed on them, for example when a larger fish attacks or a diver steps on them. This venom can be fatal to humans and in some cases has resulted in death.

Did you know?

The venom of a stonefish can kill a human in two hours.

Stonefish Fast Facts:

  • Common Name: Stonefish
  • Scientific Name: Synanceia verrucosa
  • Habitat: Coral reefs or dormant in the mud or sand
  • Diet: Small fish
  • Size: Up to 35cm
  • Range: The Great Barrier Reef in Queensland, to far northern New South Wales.
  • Threats: Sharks and rays
  • Conservation Status: Not assessed
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