Lots of Question on Jack Dempsey

  • We are currently upgrading MFK. thanks! -neo
REDKID!!!;782731; said:
hwy how big are your FM
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the male is 3" and the female is 2.5"

richard, the demseys are probably ok now but they'll grow. eventually you'll want to get them into a bigger tank. Keep your nitrates as low as you can, seems my convicts always spawn after a big water change.
 
you are lucky you can tell your JDs sexes early. i waited 2 years to find out all 4 of my JDs were males. boy was i pissed. i assumed blue gill plate meant female but its hard to tell early on.
 
I have 4 young dempseys in a 50g tank now the largest male is under 3".Him and one of the females have spawned twice.Ill have to wait about 3 weeks before Ill have a spare tank to give them thier own space to raise a brood.
 
Oh i see. Well, I could tell because I used to have 6 dempseys. I kept the biggest one (Male) and one with alot of blue on gill plate (Female) It is just that the female has a more aggressive attitude.

Is there anything wrong with the KH or GH? I really dont know anything about them
 
GH, and KH are ratings of your water hardness.

The KH or Carbonate Hardness is a rating of your waters ability to absorb acids without major change to the Ph scale. It consists of carbonate, and bicarbonate ions that can be removed by boiling. This is why lime-scale forms on kettles and shower heads.

The GH or General Hardness is a rating of calcium and magnesium ions that have been acquired over time. Rain falls and runs over different rocks and soils, dissolving and taking on different properties.

When reference is made to a fish's preference of 'water hardness', it is the GH, not the KH that is being referred to. Inappropriate GH can cause kidney problems and have adverse affects of growth, and cause infertility.

A rating of 180 (ppm?) will be appropriate for Jack Dempseys to live and breed in.
 
oh ok. thnx alot. i found out that my dempseys dont come out becuz the small internal filter makes alot of noise with bubbles. When I turned the filter off, the fish came started to come out :)

Should I wait for the two to pair up or should i get a new female. Because the female is the one thts really aggressive
 
After, i added a new dempsey, about 2 inches, now my male dempsey never comes out from under the driftwood! Hes not very brave from what i see. He doesnt even come out so he doesnt see the live guppies i added in! what can be wrong?
 
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