Animal Stories - People Talking About Knifefish


Animal-World info on Black Ghost Knife Fish
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Heather - 2010-12-09
Our BGK has been doing well since we got him in May, but now I'm getting worried. He recently came out of a growth spurt and now will barely eat and sleeps a lot. Of course, I've been panicking lately when I find him asleep because he sometimes doesn't respond or move when I touch him. (We hand feed ours and he loves to be petted.) I'm trying to figure out if this is normal behavior or if something could be wrong.

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Chad - 2010-08-01
What are the odds the Black ghost knife will eat neon tetras?

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  • janine - 2010-08-18
    There seems to be 2 stories. Definitely will and they won't. Just be sure there aren't too many fish in the tank and perhaps feed your bkgf well. At night if possible. My ghost will chase fish when annoyed by them but doesn't go out of his way to fight. Nosy perhaps but not violent.
  • Becka - 2010-10-09
    From our experience, if the neons go into your BGKF's cave, pretty high... We got our bgkf (5ish in. at the time) at the same time as our neon tetras. We'd been told by the pet shop they'd be fine together.
    It wasn't until we saw tetras going into the cave but never back out we did some research and found bgkfs find neons pretty tasty...
    He had a go at our blue longfin fighter too, though the fighter lived to tell the tale (had one eye shocked out and some pretty bad fin damage though).

    It's at your own discretion really. If you DO decide to put both in the same tank just make sure you have a big enough school of tetras, a big enough tank and feed your bgkf at night. That's how we've kept our remaining tetras alive now :)

    All the best, they're fun fish really (minus blowing out eyeballs sometimes).
    I hope our novice mistakes can be of help :)
  • Heather - 2010-12-09
    The odds are very good if the BGK is hungry and the Neons are small. Our larger Neons don't seem to be on the menu though. Our BGK is approx 10" now and prefers bloodworms to anything else.
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Animal-World info on Zebra Knifefish
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leonard - 2010-11-16
I got 2 big fish tanks, 350 gal with too wolffish, a jack demsey, about 3 others in there too, & 75 gal wide, that holds my gymnotus knifefish or banned fish, I kinda wanna put knifefish in the big tank but I think my wolffish will kill it.

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Animal-World info on Clown Knifefish
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Lorenzo - 2010-10-30
Hello, I am currently going to get a clown knife fish from my uncle(he is a breeder of this fish). I want to know if I can keep him in a 45-gallon tank-no company, just him/her and a filter/pump and of course, water. Is it also OK if I dont put any pebbles OR a small cave since I heard that they need a hiding spot since they are nocturnal. However, my uncle keeps his clown knife fishes in one of those tiled ponds in pet stores(you know, the ones that usually keeps kois or carps) and I do not see any hides. I just wanted to know.Thanks.

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Animal-World info on African Knife Fish
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Heather - 2010-08-16
I currently own 2 African Knifefish. I've had the older one for awhile and just recently bought a baby one. At first the older one would pick on the baby but now they are best buddies. The older one loves to come up to the front of the tank to greet us as we watch them & he also follows our faces/fingers. They love hand feeding. Esp live black worms, blood worms, and brine shrimp. They have many hiding places but don't go in them as much as before. The 2 fish follow each other everywhere. It's adorable! (even if the older one seems to get annoyed sometimes) lol I highly recommend these fish. They may not have much color, but they have one heck of a personality! :)

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  • debbie - 2010-10-23
    I have 2. They play. I bought a bigger one today. He hides. He is quite bigger.
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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+.
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Tan Hui Chun - 2010-09-17
Can clown knife fish mix with spotted gar or alligator gar? why the clown knife fish fin (below one) become white color?

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Animal-World info on African Knife Fish
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Rameres Jr Cumba - 2010-09-02
I currently had 2 african knife fish from a few days now. They really skittish at first, but went I added a few fish with them like a ladder loach, they became more regularly seen during the daytime hours, become increase activity. Recently one had the aggressive and occasionally chasing the knife fish.

Is it possible to spawn them? I have a slim and chubby one.

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Animal-World info on Clown Knifefish
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Tan Hui Chun - 2010-08-31
Can I know how to measure the size of my clown knife fish? Need to take it out of water and measure?

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Animal-World info on Black Ghost Knife Fish
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Mitchell Romanowski - 2008-08-18
Hi,

I'm Mitchell Romanowski,

A couple of weeks ago I bought a black knife Goast Fish that was about 5 inches and cost about $30.

It's nocturnale\ and doesn't like light, so I made a cave for it to hide in.

When I feed the other fish, it doesn't touch the food because it doesn't want to go into the light to take the food.

A couple of days ago, I tried to hand feed it in the cave and it ate a whole cube of blood worms. The bits that it missed, the clown loaches and yoyo loaches ate.

I feed all fish including the ghost fish, brine shrimp, blood worms and high quality flake food to balance out their diets.

I've got about 15 plants, (small and big), in a large 4ft tank with lots of rock structures.

From Mitchell

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  • janine - 2010-08-18
    To mitchell romanowski. SOUNDS AWESOME
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