User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-68.49.124.68-20130204051221/@comment-4969421-20130208143950

It could. Many real-life reptiles have traveled to different regions by swimming, even if they are not adapted to aquatic habitats. Also, your theory of the DI being an archipielago does not explain why Ura/Baggi is there.