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Just wondering, could I keep a black ghost knife in my 75g tank? Occupants are: Glowlight Tetras, Neons, Pristellas, White Cloud Minnows
Pair of Discus
Pair of Pearl Gourami
Pair of Dwarf Gourami
Bottom Feeders (corys and loaches)
2 Plecos (inspector and BN)
1 Boesmani Rainbowfish
Bolivian Rams x2
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I am getting rid of my trio of Bala Sharks, and am wondering if possible a black knife could replace them?


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yep just keep it well fed otherwise itll eat your tetras

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''All the clown fish and yellow tangs in the world cant save you now!''

I'm sure that you could keep one in there, but I personally wouldn't. They can get pretty danged big (usually in the 45 cm range), I'd personally suggest at least ninety gallons for one. Also, they aren't great community fish, because they are skilled tankmate-eaters. These carnivorous fish could easily eat your white clouds and tetras, and potentially some of your larger fish (e.g. the rams) once it got closer to adult size.

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And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."

If you keep it well fed on bloodworms, then yea, you can have one. Otherwise, like said he might eat your tetras.

Also, a 75g is the perfect tank size for one also.

55g is the min. for these guys.

I have to agree with SirBooks here. The minimum tank size I would use would be the 75 gallon and then be prepared to move the BGK to a larger tank later on. Those smaller fish may not be safe with it in the long run.

Jim

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Water, taken in moderation, cannot hurt anybody. -- Mark Twain

umm. i have had over 50 black ghost and the tank sounds alittle full. also black knife fishes have been known to eat the eyes off of little fishes such as tetras. my biggest black knife was over 1 foot, so be ready for a large sized fish. i would have to say no, it wouldn't be the best idea.

Thanks guys. Perhaps I will wait on this guy till I get a bigger tank maybe next year.


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As victimizati0n has said I agree, if a BGK is well fed then you could've gotten away with it, the 75 would be fine (assuming the BGK was young)for a while as long as you had plans to upgrade when the need arose.

Rusty- If I did get a young black ghost - the one at the pet store is about 3 inches, how long could he live in the 75g for before he would need a larger tank?
If I got another 75 gallon around the end of the summer and lightly stocked it with the BGK as the centerpeice would he be ok for longer?

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the black ghost would problem harm the other smaller tetras in the tank, that was my point, the tank size is ok for them. i would guess depending on his growth rate a 75 would last him until he is about 8 inch long

Pete,I bought my first BGK over 2 years ago and he was about 3inches, originally I kept him in a 2ft tank with 3 breeding platys and I still ended up with too many platys very quickly . He's now about 10inches. My other 2 BGKs were about 3inches as well and 10 months later they are about 7 inches.
My BGKs are and have been kept with bettas, zebra danios, cherry barbs, many cories, different cichlids including blue and bolivian rams, gouramis and other small fish and the only thing that's happened over that time is that the occasional neon tetra disappeared (but they do that to me without the BGKs) and my big guy fought with a CAE over territory (the CAE challenged the BGK for his home and the CAE won). A male betta actually sometimes "drapes" himself in the log with one of my BGKs without any probs .

I still think the BGK would be happy in a 75gl for at least a couple of years and it's not guaranteed but more than likely that if you feed the BGK well, particularly giving it extra food at night when you turn out the lights, the BGK really wont bother with your other fish, no matter how small unless they're sick and then the poor thing might lose an eye to the BGK.