Breeding EBJDs

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Fatman315

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Feb 24, 2010
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So my 55 gallon tank is being upgraded to a 120 gallon long one.
What I have decided to do now with the 55 is to breed a pair of JDs.
No I could've taken the easy way out and bought the 2 JDs that have paired up at work. Instead I want to try something a little trickier. I have bought 3 female JDs and 6 Electric Blue JDs. These guys are all juvies and I am waiting for a male EB to pair with a regular female. Then the rest of them will go to friends of mine that have big enough tanks.
From this pairing I will get Blue Gene JDs that I plan to breed for awhile. I then hope to pair a good looking BG female up with a different unrelated EB male. Hopefully this will help widen the gene pool... I have noticed that EBJDs tend to be extremely inbred. Eventually I want to get some more 55 gallon tanks so I can have multiple unrelated pairs breeding and then I can breed their offspring. This way off in the future though.

Any thoughts, advice, ideas or opinions???
 
I have considered doing the same thing, but EBJD are so expensive and so fragile that I have been too scared to actually give it a go. You are on the right track though. By breeding a male EBJD with a normal female JD your fry should all come out looking like normal Jack's, but will be heterozygous carrying the recessive blue gene. By breeding one of the offspring from the first EBJD and normal JD spawing to another unrelated Electric Blue you will then statistically end up with fry that are 50% Electric Blue and 50% normal Jack Dempsey that still carry the recessive blue gene. I'm sure you were already aware of everything I just said though, so really I'm just elaborating for those who would be interested in learning about the breeding process. Either way, best of luck to you and be sure to keep us informed.
 
One bit of advice that did just come to me though would be if you plan on doing this, it would be strongly advised to separate the Electric Blue fry from the standard Jack Dempsey fry as soon as possible. The reason for this is normal Jack Dempseys are much more aggressive and grow much faster than their Electric Blue counterpart. Therefor, the standard Jack Dempseys would both outgrow and out compete the Electric Blue fry for food sources.
 
So this project is going well. I have sold 1 of the females though and will probably sell the other 2. From there I will just grow out the 1 Electric Blue that I have now (sold the other 5) and once he gets to about 4 or 5 inches I will try to pair him up with a female again.
 
Since my EB was so far behind the female JDs I decided to sell him. The price was just right...
I used part of that money to buy a nice sized regular male JD from work who has paired up with my larger female. I'm preparing the tank for when they spawn now.
 
EBJD grow much mich slower than there regular counterparts remember this grow two out from two diffrent lines or breeders.then spawn your regular Jack Dempsey pair and grow this fry out they will male perfect mates for your male EBJD in the future then once you get at least one good breeding sized male by a small female regular much smaller then the EBJDs size this will balance out the aggression factor
 
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