The Trident is a polearm used by the Dunlendings and the Pelargir Marines. It benefits the user with its increased reach, though at the cost of a somewhat slower swing speed. They deal the same damage as a sword of the same faction. To catch a fish hold right mouse button to charge the trident, then once fully charged release the button to spear a fish.
Both are crafted in the same way, on their respective crafting table: