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Old 08-22-2005, 04:24 PM   #1
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do I have enough lighting for a crocea clam?

From what I have read, I think maybe not, but I just want to be sure. I have a 55 gal tank (4 ft. long) and have coralife PC lighting with 2x56 W actinics and 2x65W 10K bulbs (moonlights also). What do you all think?
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Old 08-22-2005, 04:37 PM   #2
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Everyone else is going to tell you no, but I will tell you yes. I had a purple crocea in a 20 gallon under 65watts of PC light for about 8 months. It grew about 1/2" in that time.

That's just my experience though.
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Old 08-22-2005, 05:00 PM   #3
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I would think no, there are light needy inverts/corals that will live and even grow under insufficient lighting but to really flourish need the higher output lights. I have a crocea in a 20L tank its under a 175watt metal halide and 2 55 watt PC actinics. Some have told me that my lighting is on the low side for a clam. Just my 2 cents though HTH
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Old 08-22-2005, 05:31 PM   #4
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Croceas are the most light needy of the giant clams. According to everything I've read they should only be kept under MH lighting. I know from personal experience that they can take all the light you can throw at them, and some, and will love it! A Derasa or Squamosa clam would be more appropriate under your lighting.
FWIW Jason 8 months is not along time at all. It will some times take upto 6 months just for clams to start showing signs of stress due to poor lighting/water quality. HTH
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Old 08-22-2005, 05:42 PM   #5
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that's what I figured. So Derasa's or okay and squamosa's are okay.....what about Maximas?
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Old 08-22-2005, 05:52 PM   #6
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Maximas are alittle less light needy than Croceas but not much. Maybe if placed in the upper 1/3rd of the aquarium it would survive-but it may lose it's coloring w/ time. Honestly I have no personal experience w/ Maxi's... FWIW I've seen some Derasa/Squamosa clams w/ really interesting color patterns.
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