Reducing bio load selling theses above fishes :
1/ lemon peel angel ( 2-1/2 to 3 inches )
2/ blu head wrasse ( 4 inches )
3/ sohal tang ( 3-1/2 inches )
All fishes are stable and pellet feeding here my contact : 9 two two 1 5 nine nine zero
Cheers
The sohal can hold himself I think no issue just make sure he feed well and should fine your tank don't have a lot of agressive fishes.
Maybe worry about new fishes in the future haha once sohal make his territory can be difficult to add others tang unless bigger or different species..
Cheers
at juvenile stage cannot really tell, but at adult stage desjardini got some spot will look nicer and the line different as well
pic one veliferum, pic two desjardini.
cheers