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post #1 of 5 Old 03-08-2010, 12:12 PM Thread Starter
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New Cichlid

I currently have a 75 gallon freshwater tank with 2 larger cichlids..not sure what type but they're not hte problem. And a convict cichlid.

I just got a jack dempsey yesterday, a tad bigger than my convict chiclid. I've always noticed that my convict is a bit of a bully, tends to chase my cat fish around the tank a lot...seems very territorial and likes to dig up the plants. I know this is how convicts are, but i'm worried about my jack. I put him in the tank last night and instantly my convict is chasing him around the tank, flarring his gills at him and trying to bite him. I woke up this morning and my jack is all beat up. He's got wounds all over his sides and his back fins are torn to shreads. He now is constantly hiding in the upper corner of the tank or the lower.

What can I do to prevent this? I dont want him to be constantly hiding becuase of my bully harassing him. I did what I've read up and completely rearanged the tank and plants and turned the lights off for a long time to confuse the convict but it didn't help at all.

I got a Ahli a while back that died overnight, possibly from harassment...(might have been cuase the Ph was low at the time) So should I possibly get rid of him? I'd like to get some more fish but i dont' want them dieing cuase of this bully ^.^
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post #2 of 5 Old 03-08-2010, 08:20 PM Thread Starter
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Well. i took him out of the aquarium for a while (the convict) and the dempsey was doing fine...went to dinner so i put him back in the tank, and I come back to the dempsey even more beat up and looking like he's going to die...

Anything I can do to keep him from dieing? Took him out atm and put some "Melafix" in the water he's in....anything else i can do to minimize stress as much as i can and try to wean him back to life???
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post #3 of 5 Old 03-09-2010, 03:11 AM
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Originally Posted by Blonpunk88 View Post
Well. i took him out of the aquarium for a while (the convict) and the dempsey was doing fine...went to dinner so i put him back in the tank, and I come back to the dempsey even more beat up and looking like he's going to die...

Anything I can do to keep him from dieing? Took him out atm and put some "Melafix" in the water he's in....anything else i can do to minimize stress as much as i can and try to wean him back to life???
You already I believe,know the answer. I do hope you moved the Jack dempsey to a cycled,heated aquarium with filter, otherwise the fish will be under more stress while trying to heal from the damage inflicted by the convict. You might need to find a new home for the convict or return the Jack Dempsey assuming he/she heals up.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #4 of 5 Old 03-09-2010, 04:08 AM
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If you have a second tank to use as a hospital tank I would move the JD to that tank and keep water quality pristine (double your normal water change schedule, at least). Keep mild antibacterials and antifungals on hand in case infection sets in.

After the JD is nice and healed up, and if you're intent on keeping these fish together, you can try moving the convict to the hospital tank after moving the JD to the main display tank. Leave the convict in there for at least a few days until the JD starts to get comfortable in the display. Rearrange all of the decor in the display if possible. Then, try adding the convict back to the display. He may no longer regard the tank as "his" and might be less aggressive as a result. Both species are aggressive fish so this is no guaranteed solution. If you notice serious aggression after trying this I'd say that the two fish aren't able to live together in anything resembling peace.

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post #5 of 5 Old 01-05-2011, 08:13 PM
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Originally Posted by iamntbatman View Post
If you have a second tank to use as a hospital tank I would move the JD to that tank and keep water quality pristine (double your normal water change schedule, at least). Keep mild antibacterials and antifungals on hand in case infection sets in.

After the JD is nice and healed up, and if you're intent on keeping these fish together, you can try moving the convict to the hospital tank after moving the JD to the main display tank. Leave the convict in there for at least a few days until the JD starts to get comfortable in the display. Rearrange all of the decor in the display if possible. Then, try adding the convict back to the display. He may no longer regard the tank as "his" and might be less aggressive as a result. Both species are aggressive fish so this is no guaranteed solution. If you notice serious aggression after trying this I'd say that the two fish aren't able to live together in anything resembling peace.

Right on the money!!! I agree with it all 100%. Sometimes, with cichlids, there is no peace between them, even with chichlids that generally have a low aggression. For example, I had an ordeal with a VERY aggressive Firemouth that was still a juvenile...it thought it ruled the show biting fins and trying to murder my other FM and OB Peacock cichlid...I removed him and decided that he just was too aggressive for my tank and re-homed him where he would be the only fish.
My current cichlids (2) are pretty calm, but to be on the safe side prior to adding a blood red parrot cichlid next week I plan on re-decorating and adding more caves in hopes to avoid any situations like the sort. Also will have a QT tank set up just in case.
Hope your aggression issue is easily fixed. And I think you might have to keep that convict in his own tank by himself if you ever want to be able to safely add other fish to that tank. Good luck.

*They call me, Amanda*
Tank 1: (29 gal planted) empty
Tank 2: (15 gal) empty
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