I'm level 47 almost level 48 now as fisherman.

I've noticed it's actually best to continue EXPing at the dunefishing place level 35+. There is no junk fish and with high enough perception you will be racking up the HQ's and Mooching. At 48 I'm going to take a stab at obtaining the legendary Mahi Mahi although on my server none has even sold yet... it's a very needed item but I'm starting to think it might be best to take up cooking to turn that into the meal yourself since it appears the meal is actually selling. The grilled Mahi Mahi is for crafters that gives a large boost to control. I believe which are selling 20k a pop.