I just took a few quick looks at different pics of both colonies. I have a borealis colony and it seems to have different corallite spacing than the roscoe's. Roscoe's seems to have tighter spacing. I guess this is what I hate most about "special" named corals... a really high price, and no scientific name. Don't get me wrong, I love the fact they are aquacultured and have much higher survivability, I just wish I had scientific names for the colonies [/rant]