Can 12 Chromis be introduced at the same time into a 190g?

[ponokareefer]

I started with 9 last fall and they picked off the weaker ones within 2 weeks until I was down to 5 and that is where I have been since then. I have them mixed with Anthias so they get multiple feedings/day. I wouldn't say they school a whole lot together, but do mix in with the anthias. I'm not sure if they will last long term or not. When they get scared, they school together.