More images are available for Tuesday, January 20th, 2009
Pink Mushroom
This is a pink mushroom coral that has been thriving in our tank for many months. At night, under the blue "moon" lighting, it fluoresces a shocking orange. This is because the blue LEDs that serve as the lighting are, I believe, actually ultraviolet LEDs that generate the blue color with a blue fluorescent coating, and some of the ultraviolet gets through... hence the orange color of the mushroom at night. It is about three inches across when fully open, as here. EXIF:
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