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#1
12-04-2006, 09:40 PM
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The key word here is thrive...not survive. It is best to always use the word thrive other then survive. Cause really you want an environment where the creature can feel right at home(the ocean). If your clam shows no growth in a year then you are giving it just enough light to survive...this is not exactly what we reefers are aiming for is it??
Research before you buy. Think about what it really needs and not just want you want in your tank. Metal Halide is the way to go for this species. 
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#2
12-04-2006, 10:40 PM
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I remember thinking my crocea was looking pretty good after six months of PC lighting.
 So I took a picture of it. Then I found a picture I had taken when I bought it.  It had really lost color but without the comparison picture, I had not realized it.
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http://www.canreef.com/ftotm/sept05/index.php
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#4
12-05-2006, 07:00 AM
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Awesome, let's see the pics Diana !
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http://www.canreef.com/ftotm/sept05/index.php
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#6
12-05-2006, 06:09 PM
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Okay here we go....
This is a pic from last December, when the clam was pretty new in the tank. I think we had had it a month or two at that time. It definately was not as purple as it is now, and seemed to be more pale. Its hard to tell from the pictures but it has grown... its shell is bigger than before.  Here's two shots from today, one with flash and one without flash.  It is much darker in color and has developed more of the little irridescent spots. Flash:  No Flash:  -Diana + Raf
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#7
12-05-2006, 07:41 PM
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The difference in color is nice. But this shows that there is no growth with this clam. Not saying it is suffering, but its not thriving. The coloration change is also due to the light its being exposed to. Clams will look different under Actinic light compared to a 10K bulb. The original shot looks like it was exposed to a 10k bulb for some time or was a new shipment.
Clam looks great though. My arguement is not that you cant keep clams under PC lights, just that they wont thrive and grow under PC lighting. Every clam is different though. You may have found one that is fine with less intense lighting. Kudos to you
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#8
12-07-2006, 04:16 PM
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In my old 33g seahorse tank, I had my Deresa and Squamosa living right under 96w 10000k PC & 2@20000k T5s & they did fine. They grew & coloured up nicely, but they were also an inch or so under the surface & both are lower light clams.
Anthony
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