The venomous stonefish are dangerous and can be fatal to humans. Stonefish can be difficult to spot because they camouflage extremely well with their surroundings, so one needs to be careful not to accidentally step on their needle-like spines.

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• Wikipedia: Stonefish

Original description:
A misplaced foot in Australia can lead to a terrible venomous injection from the dangerous stone fish. Dangerous Encounters: Deadly Australia : http://channe...