ID my Monti?

[paddyob]

Originally Posted by ScubaSteve

It's probably a rainbow (one of the many montis labelled "rainbow") but could easily be a pokerstar. Montis in particular can and will shift colour depending on lighting conditions. I once had a pokerstar that changed to look like a rainbow. The tell tale sign of a "true" rainbow is that the polyps tend to change colour with time rather than lighting.

This one started out blue base and green polyps.... then, as you describe, changed into the three colors. Over about a year.