I play a mage/mystic/weaver that swaps out one of the 120 casting skills for Fishing, so your Fisher template is very doable.
My template is 120 Magery/120 Spellweaving/120 Mysticism/120 Eval/120 Focus/100 Inscription/60 Med (using a Katakotl's Ring set for +20 Mystic, and +10 Med)
I have overcapped LRC, LMC, and Int, as well as over 25 MR, 50% SDI (98% with my event spellbook), and the suit is all 70s even with the neck being the 0-resist Pendant of the Magi. I also have what would be overcapped FC and 4 FCR, if I didn't spend all my time with protection and stone form up.
With magery relegated to a travel skill (just enough for recall) you could do away with Eval for keeping Fishing on full time, and not have any meditation, going 120 SW/Mystic/Focus/Fishing, 120 in one more skill (resist? med??) and 100 Magery for travel. And that's with no skill on jewelry or your spellbooks.