Killis and Bettas? - Betta Fish and Betta Fish Care
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post #1 of 6 (permalink) Old 12-12-2012, 11:49 PM Thread Starter
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Question Killis and Bettas?

Hi guys,
I was wondering if Killifish and Bettas can be housed together in a large, heavily planted tank? I have heard Killis can be aggressive, so would they nip the Betta's fins? would the Betta kill the Killis right off the bat? have any of you ever housed these fish together, or is it just too risky? is there anything else I should know?
thank you, ~Saphira
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post #2 of 6 (permalink) Old 12-13-2012, 08:06 AM
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I tried to house my Florida Flag fish killifish in my heavy planted 75gal along with my Bettas and fancy guppies and the FFF killis destroyed their tails within the first 24 hours...needless to say the FFF killis got their own't have, they keep the RCS population down too-but I can say...not a speck of algae in the tank and they do leave the Long fin albino pleco alone.

This is just one type of killifish...others might do well with long finned fish.
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post #3 of 6 (permalink) Old 12-21-2012, 11:24 PM Thread Starter
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post #4 of 6 (permalink) Old 12-21-2012, 11:42 PM
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i'd be hesitant, especially with annuals, since you'll have to rely on their eggs to continue your tank, and i'd imagine killi eggs would make a tasty betta snack.

So remember, when you're feeling very small and insecure,
How amazingly unlikely is your birth,
And pray that there's intelligent life somewhere up in space,
'Cause there's bugger-all down here on Earth.

Loki/Grendel/Gail/Beowulf/Camilla/River/Bathory/Arwen/Lafayette/Deb/Jack Skellington (soon)
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post #5 of 6 (permalink) Old 12-22-2012, 12:10 AM Thread Starter
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I see.
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post #6 of 6 (permalink) Old 12-22-2012, 01:58 AM
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I keep killifish and bettas. I keep West African killifish, and many of these species are extremely bright coloured, fairly boisterous and quite active fish.

I don't think they make ideal tankmates for bettas. I think your betta is either going to be overwhelmed by the larger more aggressive species, or is going to chase and harass some of the smaller more shy species.

I have no clue as to American native killifish being ideal candidates for a betta tank, but the West African killies I have experience with tend to do best in peaceful communities or species only tanks.

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