Originally Posted by reefkprZ http:///forum/post/2657186
not likley, the problem beiong urchins tend to bump into your SPS causing minor wounds alot and leading to possible secondary infections.
Oh, ok thanks.
A spiny one yes, but not a pincushion or royal ones. They should not bother anything AND they are a fraction of the size.
Beware there are some reports that they will go after your softies but mine never did.
They do eat coraline.
Ok, so I can keep a spiny urchin in a 28 gall tank? Is this how a spiny urchin looks like? If not, can you please post a picture of a spiny urchin? Thanks!