Receive container of fingerlings from Gibrien and told to go to one of the following random locations (auto release the fingerlings when you reach spot):
Take crappie fingerlings east to where the Upper Emerald River flows out of Emerald Lake around ( -740, 36, 227 ) Copy/waypoint -740, 36, 227. To reach this point safely, follow the river east on the south bank and take the trail heading up towards the Combine Spire. Head towards the mushroom update for Kelethin: Much Ado About Mushrooms and jump down into the Upper Emerald River here above the waterfalls and avoiding the hostiles.
Take freshwater salmon fingerlings to pond at Tunares Sapling around ( -64, -10, 61 ) Copy/waypoint -64, -10, 61. You may have to swim under the surface to get it to register.
Take catfish fingerlings to Emerald Lake around ( -766, 37, 254 ) Copy/waypoint -766, 37, 254. Same directions for crappie fingerlings apply here.
Take fathead fingerlings to Opal Pond around ( 167, 2, 82 ) Copy/waypoint 167, 2, 82