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Posted Mon Jan 10 2011: from National Geographic:
Fish as Good as College Students in Numbers Test
Mosquitofish can "count" to a hundred but have trouble with ratios, study finds.... The new study shows that the fish can not only tell the difference between small numbers such as 4 and 8, but they can also differentiate between quantities as large as 100 and 200. "You just don't expect interesting results like this when dealing with animals like fish," said study leader Christian Agrillo of the University of Padova in Italy. "We thought this was really incredible." But numerical skills break down for the fish when the ratios between two numbers change--an effect that was also seen among human volunteers.... "It was kind of funny, most of them appeared to be surprised when we switched from small numbers to hundreds. They swam inside the tank for a while, looking at the new stimuli as if they were trying to understand what was going on," Agrillo said. "However, after a short while they started to solve the task as well."
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'Doc Jim says:
Yes, but how well do they go with tartar sauce?
And I bet they can't even Google.

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