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Thread: Discus eating cardinals

  1. #1
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    Default Discus eating cardinals

    I have tried rummynose tetras in the past and observed several of the rummynose tetras "interfering" with the discus after pooping. I then switched to cardinals and so far, the discus have terminated 7 of them. The problem is that by themselves, my group of discus are jittery but far more relaxed with dither fish in the tank.

    So now I'm looking for a compatible tetra to keep with the discus. Please help.
    Last edited by Rolla P; 09-10-2019 at 03:06 PM.

  2. #2
    Moderator Team LizStreithorst's Avatar
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    Default Re: Discus eating cardinals

    The cardinals are generally quite small when you buy them. I suggest that you grow them out in another tank before adding them to the Discus tank.
    Mama Bear

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    Default Re: Discus eating cardinals

    Quote Originally Posted by Rolla P View Post
    I have tried rummynose tetras in the past and observed several of the rummynose tetras "interfering" with the discus after pooping. I then switched to cardinals and so far, the discus have terminated 7 of them. The problem is that by themselves, my group of discus are jittery but far more relaxed with dither fish in the tank.

    So now I'm looking for a compatible tetra to keep with the discus. Please help.
    You can also do harley Quinn Tetras or rainbows. Whatever you add, please QT.

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    Default Re: Discus eating cardinals

    Congo tetras, can do well with Discus....tolerate low 80s and are stunning fish... If you tire of the tetras, maybe consider smaller cichlids.. festivums, keyhole, and rams.

    al
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    Moderator Team LizStreithorst's Avatar
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    Default Re: Discus eating cardinals

    I donno about rainbows. They are pretty active fish. I'm not familiar with Quinn tetras. Pearl gouramies are perfect. They are gentle and slow moving like Discus. They don't school though.
    Mama Bear

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    Default Re: Discus eating cardinals

    Lemon tetras look nice and school close.

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    Default Re: Discus eating cardinals

    Quote Originally Posted by LizStreithorst View Post
    I donno about rainbows. They are pretty active fish. I'm not familiar with Quinn tetras. Pearl gouramies are perfect. They are gentle and slow moving like Discus. They don't school though.
    Rainbows are active but I seen a few videos with the combination and Discus never seemed to be stressed by them. Harley quinns actually school with the neons. Just a tad bigger.

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    Default Re: Discus eating cardinals

    What is your tank size?

    As Al mentioned, I do agree that Congo tetra are beautiful, but they are very active and fast eaters.
    If the tank is not big enough for comfy setup, I'm afraid they are going to stress either one or another.

    Also, Liz is spot on as the cardinals usually are sold with <1" size.
    If you can keep them separately til they are 1.5"+, I don't think discus would tough them.
    Water change is not just a chore, it's my life now...

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    Default Re: Discus eating cardinals

    I keep rummynose with my discus and they don't get eaten. I also find that rummynose school better than cardinals.

    Willie
    Whenever you feel stupid, remember that there are people out there looking for Pokemon.

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