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Are sword tails normally agressive towards other fish2007-11-24 23:10:05

I bought 10 tetras last week and now 6 are dead all tailess. I have a feeling my sword tail is to blame.

Answers:

YES get rid of them , they love tail fin it's a delicacy for them . If you have angels they will chomp the angels fins right down.

Plus if you have natural plants they eat them as well , nice fish but menaces - they are from the same family as mollies so don't keep them either - well you can but not with other fish,beware of fresh water puffer fish as well .

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I had a swordtail once, and he was just the opposite! My GUPPIES killed him! I only had 2 guppies and they killed him! So no, I don't think it was your swordtail that did that. Swordtails seem passive, not aggressive.

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What else are you having in your tank, because swordtails are usually peaceful

W

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They can be, especially as they get bigger and I wouldn't be at all surprised if the sword tail is to blame

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there's a possibility that it could be the swordtail to blame but i wouldn't start pointing the finger of blame just yet.

if a swordtail and tetra's are introduced to a tank together then they're usually fine but if the swordtail has been added before the tetra's then you can have problems as the swordtail is territorial.

we have both in our tank and have never had any probs with them.