um is it normal that my tetras r fighting each other too? they r even nipping at the cons? wat the crap? i swear i should video this its kinda trippy, do they normally act just like cons?
I had a guppy and harlequin rasbora that used to chase and bite the convicts when they were under 2 inches. Some fish just have mean streaks.

A lot of the smaller faster schooling fish will constantly chase. I had some longfin danios that would do nothing but torpedo about the tank playing tag 24/7.
It can be, they're bickering for leader of the pack. Just get a few more and they'll leave the Cons alone.
Indeed. I've got 6 black neons in a densely planted tank that routinely take each others fins off.
