Green Clown goby ?

[KLR]

My clown goby is in a 66 gal tank and I read where they prefer to be in pairs/groups if in a tank more than 45 gal...mine always follows his reflection, and arent they not suppose 2 swim to often, so i was wondering if i should get another and have a pair?

 

[_Alex_]

i have 2 in my 55 gallon and sometimes at night they are all over the place but mostly durring they day they are sitting on my mushrooms and bouncing about in the rocks... havnt heard much on if they HAVE to be a pair but it was buy 3 for $xx and one got stuck up against my koralia so now only got 2 and they are funny to watch

 

[KLR]

so if 1 is already sorda establishd do you think he would fight the other 1, mine is only a inch big..even though they dont get much bigger