Rainbow fish aggression - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 12-24-2013, 09:38 PM Thread Starter
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Rainbow fish aggression

So I have a 4 turquise rainbows and 1 bosemani rainbow( because of bad case of columnaris) and the Bosemani is chasing the make turquoise all around and bullying him and I can't figure out why? The bosemani then starts schooling with the rest of the turquoise. Im wondering if I got some mite bosemani if he would stop? Please any help would be much appreciated before he dies and merry Christmas everyone. Also I put a picture of the picked on male, it seems like he's showing a lot of extra black too.
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post #2 of 5 (permalink) Old 12-24-2013, 10:27 PM
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How many males to females do u have. I corrected a similar issue with a turq male by getting 2 females to one male ratio.
He's probably going to be the alpha male eitherway
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post #3 of 5 (permalink) Old 12-25-2013, 12:53 AM
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All rainbow fish do better in larger schools of 6+ with a higher female than male ration, usually 2:1 or 3:1 female male. In smaller groups the largest will bully the others a lot and may even bully another fish to death. Increase the school size=spread the bulling and minimize overall stress/damage. if you cannot increase the number of rainbow fish, re-home the aggressive male.
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post #4 of 5 (permalink) Old 12-25-2013, 04:17 AM
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Quote:
Originally Posted by AquaAurora View Post
All rainbow fish do better in larger schools of 6+ with a higher female than male ration, usually 2:1 or 3:1 female male. In smaller groups the largest will bully the others a lot and may even bully another fish to death. Increase the school size=spread the bulling and minimize overall stress/damage. if you cannot increase the number of rainbow fish, re-home the aggressive male.
+1 although I have had VERY good luck in a ratio of 1:1. But yea, you need more to lessen the aggression.
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post #5 of 5 (permalink) Old 12-25-2013, 05:28 PM Thread Starter
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Thanks everyone I kind of figured I would have to get more, it was all good for the longest time till I got columnaris... Now i have pretty much a one on one ratio fro male to females so I will get more and see if that helps, Thanks agian so much have a merry Christmas
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