This item is not included in any spawn asset, but it doesn't necessarily mean that it doesn't spawn naturally on any of the maps.
PS_Rod_Tier_3.dat
GUID 471267d26f7d42f89f33baedf210b5ae
Type Fisher
Rarity Rare
Useable Fisher
ID 19729
Size_X 3
Size_Y 1
Size_Z 0.25
Backward
Reward_ID 19226
Blueprints 1
Blueprint_0_Type Tool
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 19728
Blueprint_0_Supply_0_Amount 2
Blueprint_0_Build 27