As a participant improves their fishing stage, they unlock much better creatures that give extra XP and better loot. Killing sea creatures to the private island does not provide fishing XP. To cast a baitcasting rod and reel, the reel is turned on its side, the "totally free spool" feature https://fishing-near-me56888.mywikiparty.com/823894/new_step_by_step_map_for_fishing_near_me