User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-12265783-20130824024744/@comment-10105901-20130824025318

You can get them from the hunting fleet going to Moga Deep or Legendary Tides, but you have to be high rank. 5% chance of Moga Deep. 5% for Legendary Tides. So I suggest you grab some fish finders and send them out fishing.