Animal Stories - Jack Dempsey Fish


Animal-World Information about: Jack Dempsey Fish

The Jack Dempsey Cichlid is one of the most interesting and beautiful of the American cichlids!
Latest Animal Stories
Jack Frye - 2014-05-25
I have an 11 inch jd in a 200 gallon tank with tiger Oscars and other jd s ........ They all get along.

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Erick - 2009-06-15
I got a JD the other day and it seems healthy, but I got a BLUE JD and it seems not to eat and gets chased around by my other Jack Dempsey...what can I do to stop this?

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  • Katie - 2010-03-05
    Try rearranging the decor. Sometimes this will help defer aggression for a while.
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Anonymous - 2012-05-04
My jack is very peaceful and scared of my other fish and they are tiny compared to him

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  • Jeremy Roche - 2012-05-05
    If he was last in that could be the reason. As he gets comfortable he may lash out.
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scavenger - 2012-05-08
Can I keep 2 or one jack dempsey in a 29 gallon?

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  • Charlie Roche - 2012-05-08
    A minimum of a 50 gallon tank is recommended just for one - so even 29 gallons is too small for the adult.
  • Jeremy Roche - 2012-05-09
    These fish get large. 29 gallon is fine when very young for 2 but they will out grow the tank so be prepared to upgrade as they grow.
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Dont need to no - 2012-08-08
Ok I have hade a male jd for about 3-4 months and my mom just got me a female and she has a prity good 3 inches on him she is about 5 and she is about 8 can eny 1 tell me breeding behaviour the maid beds all ove my 55 gal I gust cleand it and the rearanged it how they wanted he keeps doing this dance around her bust she does not seem interested but she stays right near him I really dont have a question but just wanted to share

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Mike - 2005-08-28
I have 1 Jack at about 4 inches and a Tiger Osacar at about 5 inches in a 40 gallon tank, I just introduced the Oscar and my Jack is pushing him around everywhere, not to much fighting though. If Ocar shows aggresion toward Jack, it is put to an end quickly. For the most part they get along, both are very aggressive and destroy any other living thing that enters the tank!

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Bernie Mc1953 - 2012-12-09
I have four babies and two big jacks and the big dark bullies flight. One of the male's is a bit bigger, the other a little smaller. Should all six be in the same tank? Plus I put some feeders in so they can be eaten sometimes. I cut them up for the jacks. Am I doing the right thing?

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  • Clarice Brough - 2012-12-09
    See the 'social behaviors' section up above. If all six are in a really good sized tank, they may be okay. But these fish will tend to pair up and then the pair will not tolerate any others in the same tank. They can also become very belligerent as they age.  Feeders have been known to carry disease, so be sure you quarantine them to make sure they are healthy before you feed them to your cichlids.
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Jason Lee - 2003-08-28
I have had a Jack Dempsey for a while now. They are quite aggresive to my Red Devil and 4 blue Acaras. Though he is quite friendly to my two firemouths. They are beautiful fish that need intense care.

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  • Wolfman - 2020-07-30
    I found the perfect CICHLID that will take down any Jack dempsey cichlid or red devil cichlid or Midas CICHLID and kill vieja cichlids it's the African (WOLF CICHLID)😆😆😆😆😆😆😆😆 HAA HA HA HA HA HA HA HAAAA
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joshua - 2004-03-07
I have had a Jack Dempsy for about nine years now and i can say that he is the best pes i have ever bought!!!! Although he is very aggressive he will not let any fish in his tank except this sucker fish which is a lil bigger then he is. He has a spectacular color probably the coolest color iv ever seen. I would recommend this fish to any one!

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  • Wolfman - 2020-07-30
    I will know a CICHLID that can take out all midas,red devil's, vieja cichlids even 0scars it's the African (WOLF CICHLID) 😆😆😆😆😆😆 HAA HA HA HA HA HA HA HAAA
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Ian - 2005-03-14
I have 1 jack dempsy, 2 black convicts, 2 jewel cichlids, 1 nicarguense, 1 green terror, 1 geophagus altifrons, and 3 african cichlids in a large tank. My jack is about 7" now, he is exceptionally colorful and is actually one of the least aggressive fish in my tank. He hates when other fish are being aggressive towards each other near him and he will usually chase the aggressor away! He is definitely the boss of the tank.

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