^https://classic.wowhead.com/quest=8615/the-horde-needs-baked-salmon^
One of the Ahn Quiraj turn-ins needs fish that require a very high fishing skill everywhere except AV.
If you’re not gathering AQ turn-in materials now, you’re behind the curve. Yes, it is a Horde quest, but tons of materials will be exchanged on the neutral AH to hasten the AQ events.