Thread: Gorgonians
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Old 01-16-2008, 05:18 PM   #13 (permalink)
panmanmatt
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Re: Gorgonians

Easy way to tell photo from non-photo gorgs is the colour of their polyps. Non-phot gorgs have white polyps and photosynthetic ones have brown polyps. The brown is from the symbiotic algae in the polyps.
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