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!
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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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jennifer cramaro - 2005-05-11
Well, I think I can top the ladder with my story. 30 gallons, 30 inches of fish, horse feathers! To this wonderland I submersed, 2" moorie, bless his fairy heart, 2"x2 Haps, they drove me nuts!, swimming laterally side to side, jack @2", botia loach jack fed with tidbits until complete inhilation!, 3 bumblebees, no fight in them!, 2 red zebras, gone in 3 days, and of course the pretty fish, 2 electric cichlids @ 1", I really thought they could run and hide. HA HA HA HA . And 1 buffalo @ 2". Jack, after 2 weeks of confinment, rammed every fish in the tank, even throwing a buffalo out to the carpet! Total death! I love Jack! He eats pieces of raw chicken from my hand, he sees me and swims to the front of the tank. He is the King! Problem, going away 1 month, sending Jack to day care. Husband set up 10 gal temp for secretary to run. Hope jack will be ok.

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Anonymous - 2005-07-01
my jacks layed eggs on the tank bottom, every site i see says rocks

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  • Clarice Brough - 2013-01-15
    If there's a flat rock, they will usually use that... ours do. If not, then they have to find someplace else.
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Eddie - 2012-07-10
I have a female convict, jd and black shark together living peacefully for 3 years. I arranged the decorations so each fish has one half they can chill and not see the other through the giant log and plants and the convict has a small cave to hide

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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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Jayson Ratigan - 2012-05-20
So amazing as it seems they say you shouldn't put jack dempseys in anything smaller than a 55 gallon am I correct? Well I started my pair in a 10 GALLON....... I currently have them in a 20 gallon and I am now being forced to upgrade due to my surprise of walking in to feed them and seeing at least 200 fry swimming all over the place in the tank..... I am just hoping they don't decide to go near my filter and get sucked in :D anyone want some fish?

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  • Shd - 2012-06-11
    Yeah you use tap water, then the stuff that neutralizes the cornile in the water, just be sure to follow the directions on the bottle. You need to have a filter too. The basic rule for fish is 1 inch of fish per gallon of water, so try not to overfill it. I have a bit over that, I have 10 fish in a 10 gallon tank but one is a algae eater, so he stays out of the way of the others, just stays along the wall. You will need a light and possibly a heater depending on the type of fish you have, they will let you know at the pet store.
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Tonya - 2012-08-13
I have a 60 gallon tank with one Jack. Do you think it would be too small for three or four even if I arranged a spot for each? If too small, would it be okay to get another male, I'm not too sure how I could deal with so many offspring!

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  • Jeremy Roche - 2012-08-13
    I a well planned tank it will be fine.  make sure to have over sized filtration.  Upgrading in the future may be needed.
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Rickie Kowalski - 2012-06-03
The picture posted as a jack Dempsey is a Male (Cihlasoma)Umbriferum, mine was half grown at 14 inches they the males can grow to 20 inches.

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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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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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