User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-6050823-20130216233108/@comment-124.148.92.178-20130217071903

It is possible (but unlikely) that it or several were caught in some sort of natural disaster and washed out to sea. Some scientists beleive that several species of dinosaurs could swim. So its possible that abiorugu ended up adapting to the polar sea after arriving there. I mean, it can already handle going to places like the snowy mountains.