Y ou'll need to catch a Gravid Bowfin in Monster Hunter Wilds to complete the Fishing for a Favor side mission. This is actually much harder than it sounds, given that the Gravid

Land a Gravid Bowfin in Monster Hunter Wilds in no time at all by setting up your lure at the best locations with its favorite bait.

Being the first real fishing challenge in Monster Hunter Wilds, there isn't much information about how or where to catch a Gravid Bowfin in-game.