I know this is an old post, but perhaps it will still be of interest to you. I am a new member on this site. I am presently breeding Electric Blue Jack Dempseys (EBJD). I have four EBJD that are about 4", and 12 Blue Gene (BG) Jack Dempseys. The fish are still very young, but two different pair EBJD X BG have spawn three times now. I have about 200 young EBJD that are about 3/4" now, and some that are just up and swimming and are a couple weeks old now. Another spawn occurred this morning 24 Aug, 2008. This was a very large spawn, and will hopefully hatch out in the next couple of days. There is a lot of information on the web now regarding these fish. Normally a person would breed an EBJD with a wild type Jack Dempsey. The resulting fry would be Blue Gene (carry the gene for Electric Blue). Then, if you cross an EBJD with A Blue Gene, or cross two Blue Gene Dempseys together, you would begin to get some EBJD fry. The Blue Gene are much hardier and grow much more quickly than do the EBJD fry. For your information, I attempted to separate the male and female pair into a separate tank by themselves and the male beat the female half to death overnight. I put her and him back into the community tank with all the other EBJDs and BG breeders, and they are all getting along just fine. I put a 4" clay flower pot on it side in the tank on both ends of the tank, and they spawn in the pot. I also have three large EBJDs that have the "parrot beak" appearance, which I do not like, so I have donated them to our local pet shop and asked them to find homes for them. They are nice fish, but I don't like the head shape on these. If you are interested in these three, please email me, or contact me through this forum.
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