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HORSESHOE CRABS may soon be endanged as humans are havesting their cerulian blue blood at a feverish pace.

 
Anonymous Coward
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08/27/2019 01:04 PM
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HORSESHOE CRABS may soon be endanged as humans are havesting their cerulian blue blood at a feverish pace.
Meghan Owings plucks a horseshoe crab out of a tank and bends its helmet-shaped shell in half to reveal a soft white membrane. Owings inserts a needle and draws a bit of blood. "See how blue it is," she says, holding the syringe up to the light. It really is. The liquid shines cerulean in the tube.

When she's done with the show and tell, Owings squirts the contents of the syringe back into the tank. I gasp. "That's thousands of dollars!" I exclaim, and can't help but think of the scene in Annie Hall when Woody Allen is trying cocaine for the first time and accidentally sneezes, blowing the coke everywhere.

I'm not crazy for my concern. The cost of crab blood has been quoted as high as $15,000 per quart.

Their distinctive blue blood is used to detect dangerous Gram-negative bacteria such as E. coli in injectable drugs such as insulin, implantable medical devices such as knee replacements, and hospital instruments such as scalpels and IVs. Components of this crab blood have a unique and invaluable talent for finding infection, and that has driven up an insatiable demand. Every year the medical testing industry catches a half-million horseshoe crabs to sample their blood.

But that demand cannot climb forever. There's a growing concern among scientists that the biomedical industry's bleeding of these crabs may be endangering a creature that's been around since dinosaur days. There are currently no quotas on how many crabs one can bleed because biomedical laboratories drain only a third of the crab's blood, then put them back into the water, alive. But no one really knows what happens to the crabs once they're slipped back into the sea. Do they survive? Are they ever the same?

Scientists like Owings and Win Watson, who teaches animal neurobiology and physiology at the University of New Hampshire, are trying to get to the bottom of it. They're worried about the toll on the creatures, from the amount of time crabs spend out of the water while in transit to the extreme temperatures they experience sitting on a hot boat

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Anonymous Coward
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08/27/2019 01:21 PM
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Re: HORSESHOE CRABS may soon be endanged as humans are havesting their cerulian blue blood at a feverish pace.
CERULEAN.
Anonymous Coward
User ID: 39903149
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08/27/2019 01:50 PM
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Re: HORSESHOE CRABS may soon be endanged as humans are havesting their cerulian blue blood at a feverish pace.
These crabs cover the ENTIRE floor of the inlet at Ocean City MD during mating season.






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