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Results 1 to 9 of 9

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  1. Default Ornate bichir and black ghost knifefish

    0 Not allowed!
    Hey guys.
    I am planning a 520US gallon predatory fish tank. I am planning on putting in a ornate bichir and a black ghost knifefish and then maybe add a few more fish if the tank is looking empty. Would the two be aggressive to each other. I am pretty sure they require the same contortions so I think I would be good on that front. Another thing I heard bichirs need a sandy substrate so they don't get hurt. Is this true. I would also like to put in a few plants to create a natural look. I was thinking about putting an elephant nose fish and an African butterflyfish but I'm worried they might get eaten by the burchir. At help and advice would be greatly appreciated. Also what should I feed. I was thinking ghost shrimp and feeder platys that I would raise myself in a 50 gal and a few feeder worms you would normally feed to snakes and scorpions. Would my idea work?

  2. #2

    Join Date
    Aug 2010
    Jacksonville, FL

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    0 Not allowed!
    The knife and birchir should do fine. You would be best off using sand substrate. Elephant nose and butterfly fish are a bit small though, 500 gallons is a lot of water to fill.

  3. Default

    0 Not allowed!
    what about something like a larger schooling fish, would the birchir bother them, say a school of larger silver dollars? I honestly don't know so just guessing on an idea

  4. #4


    0 Not allowed!
    I'd advice anyone considering this to have a good look at monsterfishkeepers as well.

  5. Default

    0 Not allowed!
    honestly i think with a tank this size the typical "behavior" of fish does change because there is so much more open space for a natural feel.

    IE. You typically would want a bichir alone, but in a tank this size smaller fish may work since there is so much more room, really they would just need to be faster than the bichir

    ALSO, +1 to monsterfishkeepers on this one

  6. #6


    0 Not allowed!
    It's my opinion that a lot of these ideas that surface here are largely driven by a certain coolness aspect. It's mixing predators and that's always tricky.
    Somehow we never get the "I want a 550 gallon tank, can I house 1000 neon tetras in there".

    Anyway, excuse the rant. Monster if only for the practicalities like filtration and heating and the supports for big tanks.

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