23-May-2006, 08:05 PM
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Senior Member
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Join Date: Mar 2004
Posts: 10,760
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Quote:
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Originally Posted by Kullat Nunu
Because they were spared and other crabs weren't, the crabs with faces on their backs became more common.
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Maybe. Wikipedia:
Quote:
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The story goes that the crabs with shells resembling Samurai were thrown back, while those not resembling Samurai were eaten, giving the former a greater chance of reproducing. As it turns out, Carl Sagan was wrong about this detail of their evolution. Heikegani reach a maximum size of approximately 30 mm (1.2 inches) carapace width, and are not eaten. All are thrown back into the sea if they are caught.
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