Black Ghost Knifefish

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Colbyg

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Apr 7, 2003
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My girlfriend is going to get a 55 gallon tank. Would it be appropriate to get a black ghost knife fish? Could she mix it with a comet goldfish and two fantails if they are above 3 inches? And finally do they mostly eat live foods?
 

geoffgarcia

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Apr 22, 2004
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they eat just about anything that sinks...
mind love the shrimp pellet stick things...
I had one in a 55 for about 2 years or so, cute looking fish, face like a horse
likes to hide all the time, so consider that before you buy it...its not gonna swim around unless you scare it...

personally I'd never buy one again as they are always hiding...
 

OrionGirl

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Aug 14, 2001
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The knife will need warmer water than the goldies will prefer. If you keep it warm enough for the knife, the goldies will be prone to ailments, if not, the knife will be. I wouldn't mix them.
 
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