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  #1  
Old 10/24/2006, 11:20 AM
NaH2Ofreak NaH2Ofreak is offline
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Blue Fin Chromis Turning Black! Why?

Ok. I bought 4 blue fin chromis for my reef. After about 2 weeks, one of them turned completly black. Now, two more are starting to turn black. Does anyone know why? They are very healthy and eating, swimming, etc.

Before:



After:


Thanks!
Dennis
  #2  
Old 10/24/2006, 11:36 AM
Laura D Laura D is offline
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That's what they look like as adults. FWIW, I have never heard them called chromis, they are damsels. The Blue fin damsel is also known as the "black" damsel, because they turn black.

http://www.peteducation.com/article....articleid=2026

see also http://www.wetwebmedia.com/ca/volume...Ugly_Swans.htm
Quote:
They start off mostly white with blue and yellow highlights, but turn to a drab black as they mature and approach their full adult size of seven inches
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  #3  
Old 10/24/2006, 12:05 PM
NaH2Ofreak NaH2Ofreak is offline
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Ok...thanks Laura . I guess I need to get to a fish trap. In 7 years of keeping a reef, I've only been spanked a handful of times for improper research. This is definitly one of those times.

Thanks again,
Dennis
  #4  
Old 10/24/2006, 01:36 PM
Amphiprion Amphiprion is offline
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Actually, even the scientific name (Neoglyphidodon "melas") means black. Sometimes you can look at the meanings of names to find these things out.
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