CK's mouth is huge
but I don't know if they are agressive or not, but try to by a CK by their size to take out the doubt. I have a 10-11" CK with my 16-17" silver arowana and They're doing fine for 8 months now without serious fights, just some small bites
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hes ignoring u
.These members are a great source of information and i really appreciate it so chill Yanker!!