Each region has a rod which can be earned and is more effective in that regions fishing spots (Gintel) : r/Genshin_Impact_Leaks

Genshin Impact fishing spots (updated for 4.2) - Polygon

SPECIAL FISHING ROD EFFECT SHOWCASE! FISHING FASTER! - GENSHIN IMPACT #161

Genshin Impact Leaks

3.6 points (rough boundary) overlay on 3.4 full map with Paimon boundary (3.4 red boundaries) : r/Genshin_Impact_Leaks

Fishing System Guide Genshin Impact｜Game8

Genshin Impact fishing spots (updated for 4.2) - Polygon

Genshin Impact: Fishing Locations

Genshin Impact Leaks

Genshin Impact 2.1 leaks: New fishing system and fishing rod revealed

6 Types of Fishing Rods Explained

GO FISHING Embroidery Iron on Back Patches for Motorcycle Knight

Fisherman Dad with Fishing Rod Multi-Color Embroidered Iron-On

RED Daiwa Fishing Patch Logo Emblem Badge Iron on Tackle Lures Trout Rod Reels

Fishing Pole Embroidered Patch — Iron On