I had crushed coral/argonite in my nano and he did just fine. Red Coral usually has these gobies in and often has the sandsifter stars.
__________________
Red Coral Online Store 
www.redcoralaquarium.net
45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer
-2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp
|