That should be fine!
Just remember to keep up with WCs and such...individuals aren't a massive bioload per se, but for the numbers you need to add to cut back aggression, they build up waste faster in a group...
A suggestion, hornwort is a major nutrient sponge and grows fast enough to be a major visibility block from them seeing each other all the time and getting stressed by that...it's pretty cheap, too...
In my 55gal sorority community, I don't have the light to keep plants alive[yet the vals & sword are hanging in], so I use the hardscape[driftwood, mainly] as a sight blocker...