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_4.dat
GUID 10a3f772b31a488d8cad7cf713b54885
Type Fisher
Rarity Epic
Useable Fisher
ID 19730
Size_X 3
Size_Y 1
Size_Z 0.25
Backward
Reward_ID 19227
Blueprints 1
Blueprint_0_Type Tool
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 19729
Blueprint_0_Supply_0_Amount 2
Blueprint_0_Build 27