User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-1780011-20130921142323/@comment-8874090-20130922171454

Amphibians live partially underwater and can live normally there if they need to. They can breath underwater. But I can't imagine akantor or ukanlos swimming, and especially not living underwater. So... No, there's not a chance of them being amphibians.