Another extremely interesting feature of the jumping spider is its skill in seeing. Many living organisms, including human beings, can only see a limited space with their two eyes and are unable to see behind them. However, the jumping spider can see everything around itself including its back with its four pairs of eyes located on top of its head. Two of these eyes are extended forward from the middle of the head like test-tubes. These two big eyes (called A.M. eyes) can move from right to left, and up and down in their sockets. The other four eyes on the sides of the head cannot perceive the image completely, yet can detect every movement around them. In this way, the animal can easily identify a prey behind it.
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