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Aggressive behavior of small guppies
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invertmaniac
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Joined: 22 Dec 2006
Location: Wheaton IL

PostPosted: 2010.08.12(Thu)2:42    Post subject: Reply with quote

I wouldn't call Danios aggressive, they are just never put in a tank big enough for their liking, so they get a bit ansy and fin nip. Just like how one Tiger Barb will be extremely agressive, but a large school will be peaceful. The 7 Danios in our 125g make use of the whole tank and are always extremely active.
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monstrosity
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Joined: 16 Oct 2009
Location: Tennessee, USA

PostPosted: 2010.08.12(Thu)12:48    Post subject: Reply with quote

Invertmaniac is correct. Danios are just overly playful and therefore try to play "tag" with other fish in their tank, which can lead to fin-shredding.
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invertmaniac
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Joined: 22 Dec 2006
Location: Wheaton IL

PostPosted: 2010.08.12(Thu)14:20    Post subject: Reply with quote

Thank god. I was totally half-guessing on the danios Laughing
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svkr2k
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Joined: 28 Mar 2010

PostPosted: 2010.08.15(Sun)7:37    Post subject: Reply with quote

Thanks for clarifying.
I'm going to return the zebra danios to the lfs. Sad
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svkr2k
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Joined: 28 Mar 2010

PostPosted: 2010.08.29(Sun)15:27    Post subject: Reply with quote

As I said earlier, I have returned zebra danios to lfs Sad

But, the problem still persists. The behavior of smaller guppies are worser than before !
I saw one large guppy sitting on the bottom of the tank behind an artificial plant. It looks as though the smaller one was standing (swimming!) right in front of him and was not allowing him to move !
The larger one didn't eat today Sad
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