07-09-2012, 09:41 PM
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Aggressive Zebra Danio?
Are these fish known to be aggressive? Right now, I've got three. I just lost one this morning :( Before he died, I noticed scratches on him and he ended up becoming bent. Literally. Looked like someone rammed into his side, so he was almost a right angle until he died.
Now, I'm noticing that one of his tankmates is getting a little scraped up. I also notice that one of them keeps swimming quickly towards his two tankmates, like he's threatening them. I've never heard of these fish being aggressive. Is there a solution? Should I isolate the seemingly pissed off one? I don't want him killing one of my other fish.