Tropical Fish Keeping - Aquarium fish care and resources

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SirCastic 08-28-2012 05:24 AM

Black ghost knife question
So im' going to upgrade to a bigger tank (90 maybe 100) i was thinking of getting a Black ghost knife when i upgraded, currently in my 55 i had 5 giant danios, 3 glass catfish, 5 tiger barbs, 6 mollies ( 3 black 2 dalmation 1 gold dust) 2 red wag platies, red tailed shark, blue crayfish, ghost shrimp, fiddler crab, chinese algae eater, 5 kuhli's and 1 stick catfish. WIll the BGK be aggressive? will it be enough room for him if it isn't? If not could i go with a dinosaur birchir eel instead? or just drop the eels altogether and get some more communities?

Any help is appreciated!

jaysee 08-28-2012 05:45 AM

Welcome to the forum

That is quite a collection of fish in there..... I would be afraid that adding anything else might disrupt the balance. Truthfully, I'm concerned about the combination of fish you already have. The ghost knife grows quite large - too large for a 90, though a 90 would be a good grow out tank. From there you could upgrade to a 6 foot tank. I would also skip on the bichir.

thekoimaiden 08-28-2012 12:24 PM

Congrats on the big tank and welcome to the forum!

I don't think a black ghost knife fish would work well in there. Well unless you wanted to get rid of some of your fish. Knifes are predators and will eat anything that can fit in their mouths. Those kuhlies would probably be first on the list as they are so slender.

Byron 08-28-2012 12:56 PM

Agree, a BGK is not suitable, more from the opposite though; the existing fish would harass it to death. BGK are very demanding in their environment, as it explains in the profile: click Black Ghost Knifefish.

Sanguinefox 08-31-2012 10:22 PM

With the stock you have I'd be concerned about putting any kind of Bichir in there. Bichirs are predators and while some of them (like mine) refuse to eat live fish (well the senegalus at least) you may not be so lucky.

When your bichir starts to grow fish may start going missing.

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