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Or Ukrainians….or Russians…or Germans…or crab people.
Plenty of theories, but Hersh’s is wrong.
Here’s a theory.

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I expect this is just the beginning.
Populations of marine animals will migrate to new areas less suited for them (or try and fail), causing disruptions in their new location, spurring more migrations….
When this happens, local fishing industries collapse because their prey is gone and new invasive species either aren’t edible or aren’t caught with the gear they have (like Lionfish, inedible to most fish and mammals, and all but impossible to catch except by spear fishing).
Between ocean acidification, deep water warming, overfishing, invasive species, pollution, loss of ice packs, and other as yet unknown factors, the ocean’s ability to produce food is going to be severely limited in the near future. It already is, in fact.
The crab collapse isn’t the canary in the coal mine, it’s not even the first miner to drop dead. It’s like 1/4 of the entire night shift just disappeared….and they are all the engineers that keep things functioning.

This is like a massive corn blight on land. It not only kills the corn, it takes out everything that relies on corn too, like pigs, chickens, cattle, goats, pretty much any livestock, and an insanely large percentage of the calories humans eat too. A shitload of the ocean relies on crab meat, and more rely on crabs to keep the ocean floors clean….important if we don’t want clouds of hydrogen sulfide erupting from the ocean making all coastal states dead zones.

I swear I saw Head Crabs

Grr. It didn't pick up my http://www.youtube.com/watch?v=f1dnocPQXDQ from http://www.reddit.com/r/crab/comments/rijbvk/hermit_crab_kindness/hoykmu8/

*backup=[...snipped...] from http://www.reddit.com/r/crab/comments/rijbvk/hermit_crab_kindness/hoykmu8/

*dead

Congratulations! Your comment on Hermit Crab Housing Chain has just received enough votes from the community to earn you 1 Power Point. Thank you for your quality contribution to VideoSift.

This achievement has earned you your "Silver Tongue" Level 34 Badge!

*backup=[...snipped...] from http://www.reddit.com/r/crab/comments/rijbvk/hermit_crab_kindness/hoykmu8/

*cute

And for his heroic deed, the crab was cooked alive and eaten.

Crabs and pants go together.

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