This issue was discussed once before.  See:

http://z14.invisionfree.com/Conchologist_Forum/index.php?showtopic=503
Marlo
merritt island, fl
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3/11/2010  Matt Blaine asked:

Hi all,
I was recently told that all shelling is illegal in Costa Rica. This
apparently includes live and dead collecting and that you will be arrested
if caught. I was wondering if anyone else had heard the same?
Matt

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