Libertarians are underwhelmed by media claims that the blue crab population is dwindling.  The media always  fail to mention the only real solutions: private property rights in waterways, aquaculture, aqua-farming, and free-market environmentalism.  As usual the media always call for yet more government intervention.  
    (As the libertarians say, the purpose of government is to provide service, and the purpose of the media is to provide Vaseline.  The media prove that government schools create statists.)
    Blue crabs are a reminder of the hardship that bureaucracy imposes upon blue crabs and those who love them (to eat).  Dwindling blue crab populations are a creation of bureaucrats who subvert private property rights under water in favor of trademark socialism: government ownership of waterways with periodic unavailability and rationing. Thank goodness the government isn't involved in most farmlands, foods and goods, or the results would be similar.
    The solution is property rights in crab habitats.  A proposal for specialty license plates touts the libertarian solution to save Florida’s waterways:  http://rexcurry.net/tageverglades6b.jpg  Also see  http://rexcurry.net/comindex.html
    Blue crab habitats should be privatized.  Private property and aquaculture farming would produce bigger and better blue crabs.  Indeed, the abundance and prosperity that inures to land farming, would inure to all seafood, not just blue crabs.