DD black angelfish weaker strain?

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Allan01230

Polypterus
MFK Member
Jun 29, 2006
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Michigan
I was reading a few atricles stating the DD black angelfish was a weak strain compared to the common silvers or say the koi. Is this true? I have what I think is an adult pair that I;am trying to breed. Mine are not the ones with the long veil tails if that matters.
 
From my personal experience they could well be.

I have quite a few different colour forms of Angel in my various tanks. But I have never kept these alive for more than a few months. :(

The other Angels will be fine, but the blacks die for no apparent reason. I have tried them 3 times - now give up. Won't try them again.
 
I use to bred them with good success. The DD genetic is recessive compared to the other colors. When you inbred them (brother and sister), the babies are weaker. But you will get better results that way for the color only. The proper way to bred a healthy DD angelfish would be done through line-breeding. Most of the DD angelfishes out there have been inbred already. So to strengthen your genetic line and create a sustainable breeding project, you will have to breed the DD to a gold. The resulting babies will most likely be gold because gold is a stronger gene that the DD. You will have to grow up the babies and bred them back to the parent to create a decent quality fish. Part of the resulting off springs will be DD. I do not use the marble because sometimes the color will blend and create a fish that is not totally black. Some will be totally black. I don't prefer to use the silver because it is a stronger genetic trait than the gold. Line breeding that will get less percentage of DD off springs. That means the babies will have a stronger color that you don't want. Good Luck.
 
I have one veiltail black angelfish and it's the smallest or second smallest out of the 7 that I have in the tank. But it's by no means the weakest, I've seen it snap back at the much larger marble and koi and sometimes chase them away. I think if it was bigger it would've been the dominant one and pretty much a bloody dictator lol
 
I use to bred them with good success. The DD genetic is recessive compared to the other colors. When you inbred them (brother and sister), the babies are weaker. But you will get better results that way for the color only. The proper way to bred a healthy DD angelfish would be done through line-breeding. Most of the DD angelfishes out there have been inbred already. So to strengthen your genetic line and create a sustainable breeding project, you will have to breed the DD to a gold. The resulting babies will most likely be gold because gold is a stronger gene that the DD. You will have to grow up the babies and bred them back to the parent to create a decent quality fish. Part of the resulting off springs will be DD. I do not use the marble because sometimes the color will blend and create a fish that is not totally black. Some will be totally black. I don't prefer to use the silver because it is a stronger genetic trait than the gold. Line breeding that will get less percentage of DD off springs. That means the babies will have a stronger color that you don't want. Good Luck.

Amazing. I can't seem to find a single sentence that's actually correct. How did you manage to write that up?
 
To the OP - this should get you started: http://theangelfishsociety.org/genetics.htm Your question is answered in the first few paragraphs, but I encourage you to read all the articles.

To quote Dr. Norton:

"Dark
It is known (Norton, 1971) that dark is an incomplete dominant that produces black lace when present in single dose. A double dose of dark results in a black angelfish. By using a flashlight to strongly light the body of a black angelfish, you can detect faint vertical body stripes. Although the black lace angelfish is as vigorous as wild-type, the true black (double dose of dark) is less vigorous and is slow growing. "
 
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