Quote:
Originally Posted by mrhasan
I am no zoa expert but generally, bigger corals tends to grow faster because of larger surface area.
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IMO the polyp mat spreads only on the edges so if you have a large colony the polyps in the middle can not multiply further as they are already crowded. IME and logic tells me that they will grow faster if fragged. This also gives you a back up in case a colony decides to shrivel up and die for no reason (which does happen). The only down side is they look better as a large colony.