Horseshoe crabs - King of Crabs?
"The blood of horseshoe crabs is blue, which is a result of its high content in copper-based hemocyanin instead of the iron-based hemoglobin found, for example, in humans."
http://en.wikipedia.org/wiki/Horse_shoe_crab
Is that why they are considered the king of crabs?
The ironic thing being that they aren't crabs at all.
Showing posts with label question. Show all posts
Showing posts with label question. Show all posts
Sunday, March 25, 2007
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