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I have 2 bronze cory's which seem to be fighting with each other....but everything I have read suggest that this shouldn't be the case and that Cory's are not aggressive. Has anyone else ever experienced this? I have a video (I hope this works!)


30g tank
Ammonia 0
Nitrites 0
Nitrates 20
Temp 78

2 bronze Cory's
3 albino Cory's
6 cardinal tetras
1 sm anglefish

Bronze cories need to be in groups of 6 or more. As in most species, there will be a need for a dominant one and I would say your have 2 males and they are just sorting each other out. As stated though I would however add more Bronzes to the tank if you can. cheers jk

I've never seen that before I've only got 3 male bronze & 1 female albino in my tank as my female bronze died a few days ago but the males are still swimming together & getting on fine

My bronze corys chase each other around all the time, but it seems like they're just playing. I wouldn't worry about it.