I've looked at wowhead, pretty poor as advice to give it. The arbor in jade forest doesnt seem to give it, tried it about 20 times only got junk. Haven't found any pools for these either
Weather-Beaten Fishing Hat (make sure to use the click effect)
Mastercraft Kalu'ak Fishing Pole
I just fish in the river right next to the quest giver (fishing skill about 540 atm before buffs and enhancements) and have only caught junk twice and golden carps are about 60 - 75% of the catches.
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