odin wrote:Do they require a higher SG to survive?I am currently running an experiment with 3 opae ula's that are a few months old in the Alpha tank. See if any are missing later.
![sick :sick:](https://opaeula.co.uk/images/smilies/squsquare026.gif)
Why wouldn't the Opae Ula share his food? Because he was a little shellfish ![lol :lol:](https://opaeula.co.uk/images/smilies/squsquare013.gif)
![lol :lol:](https://opaeula.co.uk/images/smilies/squsquare013.gif)