I have a 300g mixed reef tank. Since this is posted in reef fish I am assuming yours will also be a mixed reef? If so eliminate the Aussie Tusk and I would also eliminate the Flame angel - they can be ok but IMO not worth risking it with so many other fish options.
Way too many tangs. I have 4 and love my selection of them. I have a chevron (always picking at the rocks), blue hippo, purple (cool but a jerk), and blond naso. I would recommend these 4 and start with the Chevron and Naso (definitely a male - with streamers). Then later add the blue hippo and purple.
Radiant and cleaner wrasse are fine. I have them both. My radiant is probably about 5 inches and is a stunning fish. I think this is where I would look to have more fish. Make sure you have a lid as they will jump (my tank is an enclosed canopy). There are some really nice cheaper wrasses - solorensus and lubbocks are nice and cheap. Then comes the addiction and you will look to some pricier ones that are stunning - Lineatus, Pintail, Rhomboid (supermale is stunning), Flame, and my favorite is a diamond tail flasher wrasse. Some of these nicer wrasses are easier to find in the summer months. Reduce the number of tangs (and bioload) and add wrasses.
I have a pair of flame hawks - very funny fish with personality. I would do a pair together - mine are bonded and always hang together.
Midas blenny is also a great choice - get the male which has streamers as well.
Another fish I have that I would recommend is a spotted rabbit fish. Great personality and cool fish.
With this fish load make sure to have a good protein skimmer and filtration and do frequent water changes. I do my own service aside from the water changes which I have a company come in every other week. I also have a dosing system set up for the calcium, alkalinity, and trace elements. Once the tank is established (go SLOWLY) I do not think it is anymore work than a smaller tank if set up properly. Just more $$$ because you have more real estate to cover - especially with the coral.
tank is 96x24x30
300 gallon stock list as follows:
Any additions, subtractions or advice would be greatly appreciated.
3x Yellow tang
3x blue Tang
1X purple tang
1x sohal tang
1x indian ocean sailfin tang
1x blonde naso tang
1x flame angel
1x radiant wrasse
6x clown fish
1x midas blenny
1x royal gramma
1x bicolor dottyback
1x flame hawkfish
2x yellow prawn goby
1x aussie tusk
1x hawaiian cleaner wrasse
6x barlett anthias