Yeah, basically. On a photosynthetic gorgonian, the polyps themselves will be tan or brown (although the flesh in between polyps may be a different colour). So if the polyps are white or brightly coloured, then it's probably a filter-feeder and not photosynthetic.
But some people seem to do OK at the non-photosynthetic ones ... I'm hoping to try again some day but just not in this tank.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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