Its beautiful! And it hasn't been causing you trouble in terms of stinging other corals or harming anything in general? I've heard they can be a pain, but I've never kept them myself.
Most I see are a green/pink sort of color combo. I like yours better...much more unique.
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Current setups: 1800 gallon koi pond, 10 gallon planted, 150 gallon reef, other FOWLR tanks