Animal Stories - People Talking About Electric Blue Jack Dempsey


Animal-World Information about: Electric Blue Jack Dempsey

The Electric Blue Jack Dempsey is one of the bluest tropical fish, and it is definitely one of the most beautiful!
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john - 2013-04-01
ive a litter of ebjd(male) x bgjd(female) 2 weeks old,when will i see the difference in them(more yellow ebjb fry)they all look like normal jd fry at the minute.thanks john(england).

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  • Clarice Brough - 2013-04-17
    The electic blue babies will be whiter, especially if viewed from the top, with broken stripes, just on the top and bottom. The regular jack dempseys will be more gray and have full stripes on the bodies. Also the electric blues are smaller. That is what I understand (we are breeding these guys too... and that's what we were told to look for!) Good luck:)
  • Anonymous - 2013-05-02
    thanks clarice,ive bred many normal jack dempsey litters,bought 2 ebjd early last year one male is a good 6 inch long he paired with what i thought was normal jd female,shes very dark black in colour about 7inch long,had fry febuary,i also was looking for light(opauque)colouring.managed to separate about a month ago whiteish colour ones 8 of them,various sizes some no smaller than stripey ones.now i see the remaining young are nearly all turning whiteish,maybe 20 or more out of about 50,most are just as big as the darker ones and cant see any signs of them getting bullied or bothered so leaving them in the big tank all together.all have got blue specks but none more than the darker ones so far.all are eating well(bloodworm mainly)..thanks again for your reply and i'll update soon.cheers.
  • Clarice Brough - 2013-05-02
    Sounds really cool, and so glad they are all doing well. It will be interesting to see how they all turn out in the long run! Looking forward to your story:)
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Md M R Nahid - 2013-04-04
I have got 1 inch in size of 7 Electric Blue Jack Dempsey and 3 jack dampsey on a 410 L tank, so far so good. I came to know that they fight among themselves when they grow older so how many more do I have to keep to make a large group? Please it will be a good help.

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  • Jasmine Brough Hinesley - 2013-04-04
    You have 7 Electric Blues and 3 Jack Dempseys? 10 fish should be a good amount. I would just keep an eye on them and see how they do.
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Rose - 2012-06-23
hello i have a ebjd, i also have a regular jd. i believe these two are flirting and we all know where that leads to. So my question is can the two of them spawn even though they are diffrent.

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  • Jeremy Roche - 2012-06-23
    Yes they can.
  • chad - 2012-12-02
    Yes, in fact they becpome a stronger breed of ebjd which is actually encouraged to strengthen the fish and have less problems...
  • JOE VANN - 2013-03-16
    I bought a EBJD about 31 days ago,3/4in. he grow close to 5inches.What read comments slow growth not here,he growing fast.He grow up with commmunity fishes,I watching his mood,just maybe they will make it.5community fish everything ok for now.
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Taylor - 2013-02-27
i have had a EBJD for around 5 months now and it is no more then 1 and a half inches in length, do that sound right to you or is it growing slow?

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  • Jeremy Roche - 2013-02-27
      Not a bad thing.  There are a lot of things that control growth.  Tank size, temps, feeding, but you are in no way doing anything wrong based on growth.
  • Taylor - 2013-02-28
    ok thank you for the info, at the moment i have it in a 125L tank with about 12 small community but will be moving it 2 my 240L tank with my 2 oscars when it is big enough. the temp is 25/26
  • David Brough - 2013-02-28
    It sounds about right to me.
  • Max miller - 2013-03-09
    I have 20 3 inch cory catfish with 1 electric blue jack deamsy she is 2 inches big they are In a 45 then I will move them all to a new them into a 80 will they all be ok in that tank
  • Jeremy Roche - 2013-03-10
    Should be fine.  They will enjoy the increased room!
  • Max miller - 2013-03-10
    So the eletric blue jack demsy will not eat the cory catfish and can  add 1 ram if so what kind? Finally this is the last question can I add my convicts with them they are the same size but the male? Thanks a lot :D :P
  • Max miller - 2013-03-10
    So the eletric blue jack demsy will not eat the cory catfish and can i add 1 ram if so what kind? Finaly this is the last qestion can i add my convicts with them they are the same size but the male? Thanks a lot :D :P
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Nanomedic - 2012-04-29
Hey everyone, New to the aquarien world. I have a 30g tank with one EBJD and a feather fin cat fish as long as two golden gromauis and one indian algae eater. I'm curious to know why my EBJD I have plenty of cover for him in rocks caves and plants he just hangs out in the Cave all day. But the other day I noticed the algae eater was trying to latch on to him and chases him around i bought theses algae waffers and it has seemed to help but my EBJD has been like this since i got him i do frequent water changes and everything seems to be working top notch yet no Activity from my EBJD. However when I introduced the two golden gromais. My ebjd was all over the place chasing them and such. Hopefully you guys have some suggestions because i really would appreciaite if tips or hints as to I would love to enjoy my EBJD. THANKS!@

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  • Jeremy Roche - 2012-04-30
    Sounds like he has made that cave his territory. Nothing wrong with that. The Dempsey will however be to aggressive to have gouramis in the tank.
  • nanomedic - 2012-05-06
    Awesome, thank you I have noticed a change in my EBJD over the past couple days he has been more active and is more freely swimming. He some times chases the goruamis around but for the most part just leaves them alone. But if I have anymore questions I will be sure to post thanks!
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Linda - 2012-11-17
Have a 36 gallon bow front tank. I have 1 peacock eel, 3 boesemans rainbow fish, 2 odessa barbs, 2 sterbas cory, 1 giant danio. can i add a EBFD to this tank? I was also looking into a rainbow shark. any thought?

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  • Jeremy Roche - 2012-11-18
    The Dempsey is not a good fit for this tank.  The tank is too small to add one with any fish.  On a side note the Giant Danios do best in groups and add some excitement to the tank.
  • duff - 2012-12-21
    Not sure of the size of some of those fish but a 36 is not all that large if you dont want to get into trouble follow a rule of thumb 1 inch of fish per gallon of water all the rest is hit and miss have fun trying you can allways take him back to the pet store and trade him
  • duff - 2012-12-21
    Not sure of the size of some of those fish but a 36 is not all that large if you dont want to get into trouble follow a rule of thumb 1 inch of fish per gallon of water all the rest is hit and miss have fun trying you can allways take him back to the pet store and trade him
  • Mark - 2013-01-28
    That can be proven false...a juvenile ebjd growing up among community fish, builds a tolerance. My 75g tank at one point consisted of neon tetras, white clouds, clown loaches, a ghost knife, gold severums, and 3 ebjd, and thrived for 2 yrs. Wasn't until 2 of my ebjs paired off that an issue occurred. Having Electric blues most of my life, I find their aggression is half maybe more then a normal jack....
  • Mark - 2013-01-28
    Rainbows are a fast schooling fish, assuming you get a young ebj, it will be ok... I've noticed ebjs do very nice with severums, ebjs being slower growing, the severums dwarf them quickly. They might chase one another a lil but no harm was ever done in my tank.
  • Mark - 2013-01-28
    Sharks are also fast growing and though community labeled fish, also tend to be fast, occasionally nippy, kind of aggressive the bigger they get. Sharks can hold their own... and every cat fish and pleco tends to be treated with mild neglect in most tanks... I'm sure they will be fine. Establish a territory for the ebj if you get one (rock cave, driftwood haven, etc) you should be ok.
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Gardner - 2012-10-18
I have two Oscars three African cichlids and a local fish all get along fine just chase each other around. My tank is 110 gallons I'd like to get a blue Jack Dempsey any suggestions.

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  • Jeremy Roche - 2012-10-18
    Make sure to have areas for the fish to hide and ways to break up the lines of sight.
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Andrew - 2012-04-18
I am growing out a small group of 5 young fish for display. I belive they are all males. I am wondering if I should add another to bring the group to 6, and if the males will tolerate each other given a large tank? Any advice appreciated. Cheers.

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  • Jeremy Roche - 2013-01-15
    Really depends on the size of the tank.  These fish will require a large tank as they grow.  Also will need strong filtration.
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Rodney - 2012-01-19
Yes I want to by a whole lot of ebj's.. I want maybe ten to twenty but I want at least five to be at least three inches....I am in Connecticut ...can someone recommend a Place where I can buy them from at a fair price?

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  • Jeremy Roche - 2012-10-24
    Wow thats a lot of Dempseys!!  What sized tank?
  • duff - 2012-12-21
    Remember 1 inch of fish to one gallon of water they will grow to about 8 inches so ten you would need a 80 gallon tank its the one place most people make mistakes over crowding and that drives the ph and of course kills fish but you could try kijiji or greggs list good luck
  • aredfruit - 2013-01-03
    overcrowding drives ph? never heard of that, and if you want 20 ebjds ur gonna alteast want a tank over 200 gal.
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Devin M. - 2012-08-05
I have a 30G (for now, until fish get bigger and then will be placed into a 125G) with one albino Oscar, 1 JD, a small fire eel, Dino bichir, and now one EBJD. They all mind their own business, and there has been no territory disputes. My question is, I added the EBJD two days ago. He found refuge in his own drift wood cave. However he still hasn't eaten. I've even tried hand feeding him, he doesn't act afraid of my hand but he will not eat. This morning I noticed he is now swimming almost at a 45 degree angle. I have moved him into a quarantine tank just incase it's some sort of ailment, but there are no other indications. The family ran business I purchased him from had him in a tank with several other JD's and EBJD's, none of which looked ill. Any ideas as to what is going on? He's roughly 4 inches as of now.

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  • Charlie Roche - 2012-08-05
    You might want to do some more homework - I doubt that 125g is going to be large enough for all these fish.
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