Black Ghost Knife and an Oscar - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 02-25-2012, 06:20 PM Thread Starter
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Black Ghost Knife and an Oscar

Does anyone think these 2 can coexist in a 125gal tank?

125Gal: 7 Silver Dollars, 1 Albino BN Plecos, 1 Green Terror, 1 Gold Severum, Red Severum, 8 Rio Cahals, and 2 Festivum

55Gal: 3 German Blue Rams, 2 Bolivian Rams, 1 Super Red Pleco, 9 Bloodfin Tetras, and 9 Oto Catfish

29Gal: Quarentine/Hospital Tank

20Gal: Female Pastel Ball Python
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post #2 of 7 Old 02-25-2012, 06:38 PM
I have seen these 2 co-exist in the past. If there is no other fish in the tank, I would go for it, especially if they are a similar size.

"I know you'd rather be sad than stupid. Genius by day, Junkie by night. By the grace of breeze, I never scraped a knee that didn't help me see bleeding isn't what it seems."
~Eyedea
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post #3 of 7 Old 02-25-2012, 10:31 PM Thread Starter
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On another thread, people are saying no. Hmmm what to do?
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post #4 of 7 Old 02-25-2012, 11:25 PM

"I know you'd rather be sad than stupid. Genius by day, Junkie by night. By the grace of breeze, I never scraped a knee that didn't help me see bleeding isn't what it seems."
~Eyedea
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post #5 of 7 Old 02-26-2012, 05:33 PM
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As this forum is a learning tool for all of us, I must comment on the inappropriateness of that setup in the video. I don't like criticizing other member's tanks, so if this is your setup my apology. But it must be said.

That is a completely inaapropriate tank for a knifefish. Not only is the light too bright, but the white gravel makes it twice as bad for the poor fish. I suspect it is only out and about like that because it is hungry, and unlikely to otherwise get food due to the large cichlids. I would venture to say that the BGK is not going to live out its normal lifespan.

As for the compatibility, i stand by my comments in the other thread--which i got from a biologist, my friend Matt Ford, who knows these fish better than most of us.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #6 of 7 Old 02-26-2012, 10:38 PM
That is not my tank, just a video I found on youtube. I will trust Bryon's word on this one because he has a lot of experience and is a very knowledgeable hobbyist. Thanks for clarifying, Bryon and sorry for the misinformation, CinBos

"I know you'd rather be sad than stupid. Genius by day, Junkie by night. By the grace of breeze, I never scraped a knee that didn't help me see bleeding isn't what it seems."
~Eyedea
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post #7 of 7 Old 02-26-2012, 10:47 PM
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Oscars won't attack unless they are provoked and black ghost knife fish are pretty much the same. Unless the fish is smaller than the black ghost it will not harm or attack it. Oscars can be kept with fish of smaller or similar size depending on the aggressiveness
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