Tropical Fish Keeping - Aquarium fish care and resources

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kimA 04-04-2012 10:10 AM

Strange behaviour In my fish tank.
In my tank at the moment I have some platies and danios. The last 2 days ive watched some strange behaviour ive never seen with fish before ? maybe its just a platy thing but I don't know. Well first i noticed one of the pregnant females doing back flips like she'd swim up to the corner of the glass then sort of back flip off it and she would do this over and over then sort of go into a spazum and carry on doing it again and again. I watched for a while and then she stopped but after that one of my zebra danio females started doing the same thing in the same place (?). Today when i came back from work i went to feed them as normal and ive noticed one of the males (100% sure its a male) is huge like fatter than the pregnant female ? it looks like hes swallowed a marble, why could this be ? Then i noticed one of the other female platies doing the same back flippy thing in the corner today ?

jsagrav 04-04-2012 10:19 AM

Is it possible they see something outside of the tank they are trying to get?
Sounds "fishy" to me!

kimA 04-04-2012 11:34 AM

[The perticular corner is facing a wall so I sdont think they could see anything ? Its so strange because its just females doing it and they all do the same thing. I've owned fish for years just not platies and danios and I've never seen this before !
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rmlynn 04-11-2012 09:59 PM

Have you been cleaning your tank? How often? Do you use a gravel vacuum? What are you feeding your fish? This sounds like some kind of bloat to me. This could be caused from many things.

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