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Numbray
(Hypnos monopterygium)
This somewhat
odd-looking ray has the ability to stun their prey and surprise a
non-suspecting diver with an electric shock. The electric field is
generated by two specialised organs located on its back on either
side of the spine. This ray normally buries itself in the sand waiting
for some food to come past. In March, however, large numbers can be
seen swimming around at Julian Rocks.
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