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A comment on Biomedical companies bleed 500k horseshoe crabs a year. Parent comment

Re:Biomedical companies bleed 500k horseshoe crabs a year by tim333 on Monday April 17, 2017 @12:05PM (#14131935)
Probably they can. Pain detection evolved so organisms can avoid damaging their bodies. There's no reason to think that doesn't apply to crabs.
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Re:Biomedical companies bleed 500k horseshoe crabs a year by prodikl on Monday April 17, 2017 @12:50PM (#14132408)
i think this is the most logical answer. i would imagine pain appeared very early in a common ancestor as its effect on survival is absolutely immense
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