Fish Fon’t Leave Footprints achievement is under Professions > Fishing category and worth 10 Achievement Points. To complete this achievement you will need a Weather-Beaten Journal. This can be found in fished trunks or in fishing daily quest reward Bag of Shiny Things. To use this journal you have to be 100 skill in Fishing. Upon using you will acquire Find Fish ability. With this ability you can use the minimap’s tracking menu to see fish schools on your minimap.