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Schooling Conundrum
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Dolphin Dip
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Joined: 06 Sep 2007

PostPosted: 2012.04.06(Fri)12:24    Post subject: Schooling Conundrum Reply with quote

I recently converted my 100 gallon from a Hap/Mbuna community, to a low-light, planted, Amazon community.

So far, my stock list includes 51 cardinal tetras (Paracheirodon axelrodi)
22 bloodfin tetras (Aphyocharax anisitsi)
4 albino cories (Corydoras aeneus)
1 german ram (Mikrogeophagus ramirezi)
1 albino bushynose plecostomus (Ancistrus sp.)
2 ADFs from an old tank (Hymenochirus sp.)
1 nerite snail (Nerita sp.)

Plants include java fern, micro sword, and java moss.

I may trade out the bloodfins and bump the school of cardinals up to about 70.
I'm trying to find a fish that won't eat my tetras but will still seem threatening enough to encourage schooling behavior. I'd like to stick with South American fish but I'm open to suggestions. I've considered silver dollars and angels but am concerned that the silver dollars would eat my plants and the angels would eat my cardinals.
Any suggestions?
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diademhill
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Joined: 18 Apr 2007

PostPosted: 2012.04.06(Fri)13:34    Post subject: Reply with quote

Laetacara dorsigera would work. Just too small to predate on the cardinals unlike angels and a lovely fish in it's own right. You could have a pair and they will breed however the corys and bristlenoses will probably eat most of the eggs.
Or if you want a larger fish Herotilapia multispinosa. Two females would be the best option or just one male as you don't want spawning as the tank will get swamped as these aggressively protect their young.
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Dolphin Dip
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Joined: 06 Sep 2007

PostPosted: 2012.04.08(Sun)22:41    Post subject: Reply with quote

My principle goal is to find fish that will encourage the cardinals to school. It seems like L. dorsigera and H. multispinosa might be too small at 3 inches(ish). Then again, how big can I go without actually threatening the school...
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diademhill
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Joined: 18 Apr 2007

PostPosted: 2012.04.09(Mon)3:41    Post subject: Reply with quote

Dolphin Dip wrote:

how big can I go without actually threatening the school...

Depends on how big a mouth the larger fish has Laughing

What about Anostomus anostomus?
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Dolphin Dip
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Joined: 06 Sep 2007

PostPosted: 2012.04.09(Mon)18:22    Post subject: Reply with quote

diademhill wrote:
Dolphin Dip wrote:

how big can I go without actually threatening the school...

Depends on how big a mouth the larger fish has Laughing

What about Anostomus anostomus?


A. anostomus seems like a really cool fish (with a small mouth to boot!)
I think I've seem some at the LFS too. I'll add a few more plants so it'll be less stressed when I get one. Thanks!
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