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Black Ghost Knifefish,
Apteronotus (Sternarchus) albifrons, Identification
Related Articles: New World Knifefishes, Gymnarchus, Notopterids/Clown Knifefishes, Electrogenic
Fishes,
Related FAQs: Knifefish Identification,
BGK FAQs 1,
BGK FAQs 2, &
FAQs on: BGK Behavior,
BGK Compatibility, BGK Selection,
BGK Systems, BGK Feeding,
BGK Disease, BGK
Reproduction, & Knifefishes
1, Knifefishes
2, Knifefish Behavior,
Knifefish Compatibility,
Knifefish Selection,
Knifefish Systems,
Knifefish Feeding,
Knifefish Disease,
Knifefish Reproduction,
Electrogenic
Fishes, Notopterid Knifefishes
(Clowns...),
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Ghost Knife
Hi, I recently bought a new fish from a local pet store and he is doing just
fine. The guy that sold it to me said it was a Black Ghost Knife
fish, although the fish does not have a white stripe down its back or a white
band around its tail. It does, however,
have a very dark brownish red stripe where the white one normally is and no band
of color on the tail. The fish's body is jet black. Is this a Black Ghost? If
you know the answer could you email me back? Thanks!
<Hmm..., not quite sure, do you have a picture? Check out Monga
bay and Fishbase to see if you can find a match. -Gage
http://www.mongabay.com/fish/knifefish.htm
http://fishbase.org >
That's Black the Knife
Hi guys and dolls....
<Hello, Sabrina with you today>
My question refers to the black ghost Knifefish. I saw some at my LFS
for $25!! Expensive but they are really cool. Now I know they are supposed to be
black with a white stripe running down the top, and a white ring on their tail.
The LFS had about 9 of them, but some of them had a yellowish stripe instead of
white. Is this normal or are they sick? Thanks for the info.
<I've seen older ghosts have yellowed looking stripes as well as a graying
body, but when young, they should be quite black with rather vivid white
markings. Do keep in mind that this is a shy, nocturnal animal, very
aggressive within its species (one to a tank, basically), and reaches a whopping
20 inches.... A very large tank would be quite necessary to house one
of these beautiful beasts - and no aggressive fish, nor any small fish, could be
housed with it.>
UFS (Unidentified Freshwater Specimen)
Hello again, Mr. Fenner!
On my yesterday's trip to my LFS I spotted in one of the freshwater tanks, along
with some Discus, a black sort of "file fish" thin) around 2"
long; it also had a white stripe near the head and a peculiar way of swimming,
since it only uses a long ventral fin to do it. Not recognizing the species I
asked the employee the name of it. The answer was: "It's a Roberty... but
that's all I know!". Can you please give me any clue of it is, or a
positive ID of this specimen???
<Umm, sounds like a "Black Ghost Knifefish" to me: Apteronotus
albifrons. Please take a look on the net (at least fishbase.org) under these
names. Bob Fenner>
Thank You,
best regards !
Luis Santos
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