PETER CHADWICK / SCIENCE PHOTO LIBRARY PETER CHADWICK / SCIENCE PHOTO LIBRARY
Scorpion (Opistopthalmus karrooensis) on a rock. This scorpion is also known as the shiny burrowing scorpion, as it digs and shelters in burrows that can be up to a metre deep and a metre and a half long. It is carnivorous, but not an active hunter, waiting until prey is nearby before thrusting out its large claws or the sting on its tail. Small prey, such as other invertebrates, are crushed to death with the pincers, while larger prey, such as small mammals, are paralysed with venom. The scorpion is able to detect prey and predators through vibrations in the ground. When threatened it makes a hissing sound by rubbing its claws together. Photographed in Uniondale, South Africa.
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