aggressive danios

IME Danios are evil little fish. I don't think their aggression will pass...and they may stress out the poor new guys to death.

I disagree. They're hyper, but not aggressive. Saying they're aggressive is like saying a hyper kid is a bully.

But we're all entitled to our own opinion. :)
 
I've also had a long finned blue danio completely strip a male betta of his fins.........the betta is still alive, but he's just a body swimming around now...poor guy.
 
Zebra Danios are nippy, period. It has nothing to do with compatibility, tank size, breeding or stocking. Their nature is that they are active little fish who tend to chase and nip. There's really no need to argue this point. Rarely do I step out of my character and say something is written in stone, but on this point I will do so. Zebra Danios are nippy fish by nature. Period. I've been in this game for almost 30 years...trust me when I say something is solid, because I'm the guy who likes to argue against those who make blanket statements.

Now whether or not they are dangerous or deadly depends upon other factors. Those are what must be considered whenever you put them in with other fish. Most danio chasing/nipping is relatively harmless, but that does not mean for a minute that I would place them in a tank with a male betta. I would also exercise caution in having them with any other fish that are peaceful, long-finned, or slow moving. It has nothing to do with the size of the aquarium or the size of the school of danios, and everything to do with their nature of being nippy. I'm sure that some are more docile than others, but that is a factor of chance and often not worth finding out over the remains of your prized betta's tail.


As far as lemon tetras...I think they'll work out okay. This is because lemons are also fast moving, active little schooling fish so the danio chasing shouldn't cause them any serious harm aside from stress. But some stress is good; it keeps the fish moving and in shape. After all, conditions in the wild are hardly without some of these games and dangers.

Just keep an eye out for any serious issues, and other than that, let it be.
 
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wow i have danios and although they were at one time "fish on crack", they have calmed down and now only float in their own favorite spots in my tank. Each one has it's own spot that they just hang out in, which is the extreme oppisite of how they were when i first got them, chasing eachother non stop.

i have never had any trouble with them nipping my other fish or eachother, true they do chase eachother and every now and then a rainbow or tetra, but i've just never had any troubles with a danio nipping, thats new to me
 
echoofformless said:
Zebra Danios are nippy, period. It has nothing to do with compatibility, tank size, breeding or stocking. Their nature is that they are active little fish who tend to chase and nip. There's really no need to argue this point. Rarely do I step out of my character and say something is written in stone, but on this point I will do so. Zebra Danios are nippy fish by nature. Period. I've been in this game for almost 30 years...trust me when I say something is solid, because I'm the guy who likes to argue against those who make blanket statements.

Now whether or not they are dangerous or deadly depends upon other factors. Those are what must be considered whenever you put them in with other fish. Most danio chasing/nipping is relatively harmless, but that does not mean for a minute that I would place them in a tank with a male betta. I would also exercise caution in having them with any other fish that are peaceful, long-finned, or slow moving. It has nothing to do with the size of the aquarium or the size of the school of danios, and everything to do with their nature of being nippy. I'm sure that some are more docile than others, but that is a factor of chance and often not worth finding out over the remains of your prized betta's tail.


As far as lemon tetras...I think they'll work out okay. This is because lemons are also fast moving, active little schooling fish so the danio chasing shouldn't cause them any serious harm aside from stress. But some stress is good; it keeps the fish moving and in shape. After all, conditions in the wild are hardly without some of these games and dangers.

Just keep an eye out for any serious issues, and other than that, let it be.

Man, I love it!! Someone who shoots straight from the hip, has a clear,
straightforward, educated statement, backs it up, and takes no crap.
What a breath of fresh air!! Way to go, EOF!! And thank you! :thm:
 
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