Mated Pair Firefish Question

briandg

Member
Hi,
I'm thinking of adding a couple of firefish to my tank, it's a 180 gal. My question is will a regular and purple firefish become a mated pair, or do I have to order 2 of the same firefish. I'd rather mix them for more color. Also, I have a black goby, I don't see a problem with it and the firefish, but would the addition of another similar goby such as a green cause problems or is my tank large enough to avoid trouble. I have about 350 lbs of live rock in it. Finally, can I also add a yellow watchman since it's a bottom dweller.
Thanks
 
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