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_6.dat
GUID 76b4d4cf9bc4442d8c5c1a8e834fbf28
Type Fisher
Rarity Mythical
Useable Fisher
ID 19732
Size_X 3
Size_Y 1
Size_Z 0.25
Backward
Reward_ID 19232
Blueprints 1
Blueprint_0_Type Tool
Blueprint_0_Supplies 1
Blueprint_0_Supply_0_ID 19731
Blueprint_0_Supply_0_Amount 2
Blueprint_0_Build 27