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Last night Les Stroud was doing his survivalist thing in Africa. He caught a 
land crab for food and so I wondered how many tasty, edible critters have 
been genetically modified to crawl out of sea water into fresh water and 
then land.

Are there genes in the crab known to facilitate this? Could they be used for 
other marine species?

Could it save the Cultus Lake Sockeye? A little joke eh? 

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