Fortnite adds a harpoon gun for extreme fishing - Polygon

Fortnite: All New Weapons and Buffs in Update v.29.10

Spear Guns for Home Defense?

Pull an Item, Pull an Opponent, and Catch a Fish using a Harpoon

Harpoon Axe (harvesting tool) - Fortnite Wiki

Harpoon Gun, Fortnite Wiki

Harpoon Gun, Fortnite Wiki

Infantry Rifle - Fortnite Wiki

Pull an Item, Pull an Opponent, and Catch a Fish using a Harpoon

Rapid Fire SMG - Fortnite Wiki

Fortnite Harpoon Axe Harvesting Tool