why dont they get along sometimes?

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biggisteve

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Dec 8, 2002
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I have a bunch of tanks but in one 55 I have a couple of cichlids, a large blue zebra, an aurautis , male and female yellow top, and then there has been some red zebra's that s tarted out as fry and became about the same if not bigger than most of the other fish.

everyone got along fine for a long time the blue zebra is about an inch or two bigger than anyone else in the tank and just randomly decides he doen'st like anyone and winds up killing them.

my question is why can he get along with them for so long and then all of a sudden just kill one, and then go another few weeks before killing another one.
what makes him attack?
 
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