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Old 02-20-2006, 09:32 PM   #1
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Bartholomea annulata question

Among the many usual hitchhikers on my LR was a bartholomea annulata. I've watched him grow from a tiny baby. Until recently all I had for lighting was a 32W FO. He seemed perfectly happy, extending his "base/foot/stalk" (not sure what it's called) a long way.
Last Friday I changed out the 32W for 260W of lighting. Now he stays flat against the rock and I can see a few dark spots on some of his tenticles. I assume he doesn't like the light (or maybe he does)? Is he going to be ok with that amount of light.
I upgraded my lights so I can get some corals.
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Old 02-28-2006, 09:28 AM   #2
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I'd assume it's not liking the light either. That's a big change...LOL. Try using rock to create a sort of cave over it to reflect the light and see what happens. The lighter the color the rock is, the more light will reflect away from the creature so long as it's under the cave. Light colors expand the rays of light, creating an expansion of light above the structure it is reflecting off of. Dark colors absorb light and can be sensed as heat even though the rays of light may be blocked by the structure. This absorbtion can also create a dimmed appearance of the light because light rays are constricted along dark surfaces.
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Old 02-28-2006, 09:32 AM   #3
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No problem...I also re-edited the title.
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