Gold Midas Blenny

[DontMakeNoSense]

Ok need help wanting to add 3 of these to my 50 gallon cube and have conflicting information. Iv been told unless these are sexed I can't have more then 1 if this is the case please let me know.

 

[Rockhead]

I was told that if you add them to the tank together there is a better chance of survival , but at $50 ea IM not taking the gamble. Get them young maybe a better chance.