Animal Stories - People Talking About Knifefish


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Audrey - 2010-08-16
I currently own one Clown Knifefish. I got him when he was 3 1/2 inches and in 2 months he had grown to about 6! He is the shyest knife out of the 3 we own, & tends to let them pick on him time to time, even if they're a lot smaller. He is a hardy fish who loves to hide in his hut. He likes hand feeding frozen silver sides, black worms, and also likes hunting minnows. He's growing fast in our 75 gallon. Such a wonderful fish.

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Animal-World info on African Knife Fish
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rick - 2010-04-19
Hey guys, I have a knife fish who is very happy in my 55 gallon aquarium w/ many different species. But some of the other fish have started to get aggressive towards the other fish (not my knifefish) due to the high protein I have to feed my knife fish. I usually feed him bloodworms or brine shrimp. Any suggestions how I can feed my knife fish but keep the other fish on lower protein diets?

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  • Trent - 2010-08-09
    Yes use a turkey baster. That's how I feed mine. You just take the rubber squeeze ball end off and drop tje frozen brine or blood worms in the clear plastic part and put the rubber squeeze ball back on and suck up some aquarium water and swift it around to get it to melt and stick it in the aquarium in front of the knife fish or by it and squeeze it to feed them. I do this every time with my blood parrot fish and African brown knife fish and works very well for me.
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Jessica - 2010-03-03
My knife fish is in a 40gallon tank and I've had it for 4days now. Yesterday it formed this white skin shield over it's eyes. What does that mean? Is it going to die?

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  • Katie - 2010-03-05
    It definitely seems to have some type of illness, although I'm not sure what. You could always try a broad spectrum antibiotic.
  • martin calderon - 2010-04-05
    No all you have to do is just keep the water clean and buy a medicine that will help it heal.
  • knife fish rule - 2010-04-28
    It means your tank is too small and you should dim the lights.
  • steve - 2010-05-24
    Cold water whats temp? Will die sounds like ich-x
  • Tlaloc - 2010-07-14
    It might, but what it has is some kind of eye infection, go to a local fish store NOT PETSMART or any big chain store, they mean well but 99.9% of them haven't the faintest idea what they're doing, and it was probably caused by the stress of changing tanks.
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Carol Montgomery - 2010-07-08
I never see my knifefish. He stays hidden at all times! Kind of a disappointment! I only have one. He's in a 55 gal tank w a couple sharks and 4 gouramis and a couple tiger barbs.

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  • Tlaloc - 2010-07-14
    Depending on how long you've had him he might just keep hiding, also tiger barbs are famous for nipping fins, and a knifefish's undulating fin is a big temptation. I have mine in a 75 gallon while at least 6 or 7 hiding places so he's good, and mine will turn right around and bite at whatever bites his tail. They also don't like bright lights much( mostly nocturnal), so try dimming your lights by taking plastic plants, ripping them out of the little roots and letting them float right under your lights and/or giving him more hiding places, they like dark caves, broken/upturned flowerpots or PVC pipe will do, and if all else fails just give him some time and he should come out more often over time.
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Animal-World info on Black Ghost Knife Fish
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enrique - 2009-02-14
If anyone is really interested in breeding these fish email me at celavie90@yahoo.com.

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  • le - 2010-06-21
    I'm very interested I'm learning how to breed these fish any help on how to tell what sex they are would be a great start.
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Animal-World info on Clown Knifefish
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David - 2010-05-24
Actually, make that two butterflyfish, one black ghost knife, four angelfish, four Black Skirt Tetras, and one Red-tailed Shark. I still have three apple snails and the Amazon sword/water lily plants.

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patoscar - 2010-05-12
Help I am starting on big aquariums can I keep 1 oscar a 1 clown or ghost knife fish, 4 silver dollars, 1 ornate birchir in a 55 gallon tank please need advice from someone who knows best thanks?

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Animal-World info on Bronze Featherback
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luke - 2010-04-18
I have two asian knife fish in a 500 litre tank, 1 is 13" long and the other is 14" long. I have had them for about 2 years now. They grew up alongside 2 red oscars, 4 apollo sharks, 1 tire track eel, 1 upside down giant asian catfish and half a dozen bronze corys and a black pleco. They all get on extremely well and the two knife fish swim around together in harmony as do the oscars.There had never been any problems and they have never tried to eat the smaller fish. I would recommend these to anyone.

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Animal-World info on Black Ghost Knife Fish
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Lisa - 2010-03-31
I have a 110 gal tank with one bgk. I have had him for about 3 months. He was doing fine until tonight I noticed a white film or haze on his body. Is any thing wrong with him?

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Calvin - 2010-02-08
To Kyle, I agree that too many people are too quick to tell others they are doing wrong. Your tank sounds fine to me. I had a black ghost knife over ten years ago. He lived for more than 12 years. He grew to about 16 or 17 inches. He was kept in a 55G aquarium. His tank mates at the time were nothing but guppies. And yes it was way beyond the 1 inch rule. As far as the 1 inch rule I too am old school. I knew about keeping bacteria in the filter, water changes, and Ph. 20 or so years ago that is all I cared about or knew about. I must have done something right to keep my ghost for more than twelve years. He also made an 18 hour drive from NC to IN. With that limited knowledge, "back in the day", I managed to keep Tiger Barbs with a breeding pair of angels, (lots of store credit). I still get upset when a fish dies as I am sure you do to. My four year old son is in charge of the flushing as I have taught him that "FISH DIE". I really enjoy the ones that read about the 1 inch rule and then explain that they have more than one BGK. I have read that you should not do this. Although, that is exactly my plan. I am hoping to gather info on the BGK and breed them. It is just a goal I have set. I have a room in the basement that is dedicated for this purpose. I have built aqua bridges to connect all my tanks together. Each tank is set up a little different. I am currently stationed in germany with the army. The water here has a Ph of about 7.8... higher than I prefer but it is what it is. I would love to find out more about your set up. If it is listed on this site give me time to find it as I am new here. Hope to hear from you and any other BGK keepers.

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  • MRJ - 2010-03-04
    Hey man I agree 100% with you, not all of the fish are the same. I recently bought a BGK and it is the most awesome of fish. I have read 100 different posts on how to care for a BGk and everyone says different things. =/
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