User blog comment:BannedLagiacrus/Discussion of the Week: Symbiotic Relationships/@comment-24734669-20160413021823/@comment-184612-20160413024606

@MHAdvent;

Mohran eat Delex (as evident by finding their fins in their mouths). Delex jumping on the boat is just from them being in the same area, not from them going out of their way to help Mohran.