Animal Stories - Knifefish


Animal-World info on Black Ghost Knife Fish
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Bruce - 2014-02-12
I have a 300mm BGK which I have grown 35mm youngster I bought at the local pet store. I have had him just over two years now living in an comfortably in an Aqua-One 980 (about 230 litres) tank with Phantom glass catfish, Black Widow Tetra's and bristle-nose catfish. He is a fantastic fish spending a lot of time upside in his 100mm diameter clear plastic tube hiding in full view from the world.

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Animal-World info on Glass Knifefish
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Catfish Lover \"The Expert In Anything Catfish\" - 2014-10-17
Can i keep four of these in a 55-75 gallon with 2 African Brown Knife Fish and 1 featherfin squueaker?

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  • Clarice Brough - 2014-10-18
    For the most part I think they would be fine, but because they are all bottom of the tank dwellers, it'll get a little crowded down there.  I would suggest the 75 gallon being better.  These are all basically peaceful fish but the two Brown Knifefish may get aggressive with each other as they age, so you may just want one one of those. The Glass Knifefih actually do well in a group, and five is the suggested number.
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Animal-World info on African Knife Fish
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Catfish Lover \"The Expert In Anything Catfish\" - 2014-10-17
I have 2 knife fish (temporarily) in a 35 gallon,heavily planted tank.They will eat Hikari Massinvore Sinking Pellets,and when they are older (possibly) feeder fish.They are very peaceful and enjoy one another's company.They are a scaleless fish and should only have half the normal medication used for other fish.

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Animal-World info on Clown Knifefish
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Klaus - 2012-10-20
I have 2 knifefish (in the same tank mind you) and I've been wondering would I be able to put some Angelfish in with them I'm also interested in clown loaches, any advice?

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  • Jeremy Roche - 2012-10-20
    In a large tank itshould be fine.
  • mrbob - 2014-10-03
    The angels will become dinner should be housed with other large non aggressive fish.
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Animal-World info on African Knife Fish
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Knife Fish Lover - 2014-10-02
Can a an African Brown Knife live in a tank 21 inches tall,12 inches wide and 34 inches long?

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  • Clarice Brough - 2014-10-02
    As an adult that would really be too small, your dimensions are about a 35 gallon tank and they should have a minimum of 55 gallons. Also the adult can be about 12' in length, so it wouldn't offer much room for it to navigate.
  • Knife Fish Lover - 2014-10-02
    Ok,it can live in there until it's about 6 inches and then i'll move it to a 55.
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Animal-World info on Clown Knifefish
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David - 2010-05-22
Can I keep a clown knife in a 20 gallon tank with 3 Black Ghost Knifes, 2 Butterflyfish, 4 Elephantnose, 1 Bichir, and 1 Red-tailed Shark? I also have three apple snails. Would the Clown Knifefish damage my Amazon sword plants or my water lilies?

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  • Daniel - 2010-06-29
    Dude No way, that's already waaay too many fish for a 20 gallon tank. Get a 125 at least if your bgk and nosers are getting along.
  • Anonymous - 2010-10-13
    Yes they will get along but you have too many fish in that tank, you might want to upgrade soon.
  • Warren - 2010-10-15
    You can keep a clown knife with your fish in a 20 gallon temporarily. A clown knife is a large growing fish and would out grow a 20 gallon and your other fish.
  • Shaun - 2010-10-18
    No i would not keep this fish in anything smaller than 125g+. It will be a 20+ inch monster. I would also not get the ghost knifes as they will get 20+.
  • Evelyn McCloy - 2014-09-30
    Only if you add three oscars and several Dow's cichlids, and, space permitting, a goat or two-rick
  • ananya - 2014-10-02
    are you crazy David??!!!20 gallon for all those fish. Please tell me you are joking..
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Max miller - 2013-04-05
I have a gold clown knife and he is in a 45 gallon. Can he live in there forever with other 3 cichlids?

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  • Jasmine Brough Hinesley - 2013-04-05
    If he gets along fine with the cichlids, there is no reason they can't stay together. My main concern would be that the tank is too small. These knifefish can get quite large and a 45 gallon tank will not be big enough in the long term.
  • Benny Moreno - 2013-06-14
    yes he can, mind did.
  • Evelyn McCloy - 2014-09-30
    Given that cichlids comprise such an extremely large family, and with so many varying traits, and sizes it is impossible to say that fish A will get along with cichlids.  You need to be more specific; i.e., what would do well with a severum would not be sure to be best buds with a Midas cichlids-----rick
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Animal-World info on African Knife Fish
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Thomas Dowd - 2014-09-28
I've had an African Knifefish (Brown?) for about six months, except when I'm cleaning the tank, I've never seen it during the day.  Sometimes I'll come into the room after dark and see it swimming around the tank. It appears to be in good health, the tank is well planted withmany binding places.  I understand they tend to be nocturnal, but are there lights I can use to draw them out, and view them?

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  • Clarice Brough - 2014-09-29
    You can use a red light bulb to see them when it's dark as they don't see the light. These bulbs are usually sold in the reptile section of a pet store as a nighttime bulb, some reptiles only get active at night too.
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Animal-World info on Clown Knifefish
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Anonymous - 2014-09-06
Hi did clown knife fish eats floating foods?

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  • David Brough - 2014-09-07
    Probably not, the bulk of their diet should be live foods, and they may take some pellet foods. Flake foods tend to float and they won't be too crazy about it.
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Divina Pascual - 2014-09-05
Hi did clown knife fish eats floating foods?

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  • Clarice Brough - 2014-09-07
    Hi there, see the answer to your question below:)
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