Adding firefish with one firefish

[jasonrusso]

I have a 34 gallon reef. I had 2 firefish for a couple of years added at the same time. No problems at all. One went "missing" a year ago, never found him.

The other one has been thriving ever since. I want to add 2 purple firefish (or another variant). Will that work or will the other firefish play dominant?? I read once that they get territorial, but that was only once.

 

[Miami Reef]

I’ve tried to add multiple firefish but they’ve always dwindled to one. I’ve never seen them aggressive, but who knows!

 

[CoralNerd]

More than one is a no no.