Horseshoe crab blood. Chiefly to make sure medicine and vaccines are sterile. The immune cells of the blood react to bacteria and germs in a unique way. The crabs are usually not harmed by this when done correctly. No more than if you donate a pint at a clinic.
the ones in the pic have been ripped in half
They are just curled up on the stand. You can see thier tail spines sticking out under their noses. Exposes a soft spot between the shell segments.
apparently they're not, they can fold in half like that.
Correct answer
The picture is of street shitters.
GTFO! Ive seen them in Florida. There is literally nothing to eat on them. Theyre tiny legs and shell!
Some of them look like they've been bled dry into those massive bottles.
Thanks
It looks like they have had some of their shells cut away.
Nah just bent over to expose a soft spot in the shell.
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