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  1. #1
    Medium Discus
    Join Date
    Dec 2005
    Location
    USA, southern state
    Posts
    550

    Black Ghost Knife with discus?

    Would love to have one of them in my discus tank (pH 6.8, 86F, 125 g).

    Wonder if it will work out?

  2. #2
    Moderator scott bowler's Avatar
    Join Date
    Oct 2006
    Location
    Ettalong beach
    Posts
    2,616
    hi fishlover i do know people that have done it and havent had any probs .
    i wouldnt do it but thats just me if you ever have a prob with the discus you would have to move the discus if you wanted to treat them .The knife fish dont handle treatments to well. good luck with it let us know how you go scott

  3. #3
    Hi Fishlover

    I have a BGK in one of my discus tanks and yes it can be done .....................but scotty is right . Come medication time it is better to move the discus into a quarintine tank...............
    Also be careful as BGk love to eat small(expensive) fish like cardinals when it can......
    And they grow fast ............very fast.

    HTH

  4. #4
    Medium Discus
    Join Date
    Dec 2005
    Location
    USA, southern state
    Posts
    550
    thanks guys.

  5. #5
    Just an Egg
    Join Date
    Dec 2006
    Location
    Ingleburn Sydney
    Posts
    39
    I have had them together, was fine for a while, then it became to aggressive for my liking, so had to remove it. Started to chase my discus around the tank.

  6. #6
    San Merah Discus
    Join Date
    May 2006
    Location
    Cairns, FNQ
    Posts
    1,931
    Dinner time is interesting with larger BGK's. Mine quite often takes whole frozen cubes of food then, like a dog, takes it away to a corner to gulp it down.
    I'd say do it. Over time they become really tame and seem to love being hand fed. They are good at cleaning up tetra infestations too.

  7. #7
    Moderator scott bowler's Avatar
    Join Date
    Oct 2006
    Location
    Ettalong beach
    Posts
    2,616
    hehe lol you dont want to many tetra around the tank they are a pest lol

  8. #8
    Free Swimmer
    Join Date
    Apr 2007
    Location
    Earth "I Think"
    Posts
    451
    you dont want to many tetra around the tank they are a pest

    Pi$$er !

  9. #9
    Moderator nicholas76's Avatar
    Join Date
    May 2004
    Location
    Melbourne, Victoria, Australia
    Posts
    3,235
    I wouldnt do it!


    they are very effective night predators and I have seen them have a go at discus when the lights are out.

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