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what to do for aggressive fish


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#1 Guest_Guest_Charlie_*

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Posted 24 May 2004 - 07:31 AM

One of my slightly bigger cichlids is picking on another. The hurt one is missing all rear fins and there are spots on the dorsal and bottom fins missing also. Does anyone have suggustions on what to do? If I remove the hurt one will the aggressor find a new victim....If so should I get rid of the aggressor. It is my favorite fish though and has the best colors.

#2 richardsville

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Posted 24 May 2004 - 08:24 AM

He has the best colors because he is the dominant fish. If you possibly move him out the other fish in the tank my color up some more. So trading one fish's colors out for 5 or 6 more fish to show theirs, sounds worth it to me.

You are definately going to have to take the beat up one out though. With no back fins, how the heck is he supposed to take care of himself?

Jeff

#3 mrbeamers

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Posted 10 December 2004 - 05:40 PM

You can try moving the stuff in your tank around, changing hiding places, plant location etc. This will have the cichlids re-establish territoies and may help. How many fish do you have? types? size of tank? If this does not work, may have to take out the aggresser, trade him in. Have you talked to your cichlid store? Does the agresser pick on same fish?

#4 TheCichlidophile

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Posted 05 January 2005 - 02:17 PM

In my humble opinion, the way your tank is arranged greatly affects your fishes' survivability. Aquarium walls prevent sub-dominant fish from leaving the dominant fish's territory. In order to counter that, you should set up your tank to facilitate "getting away". Originally, in my 29 gallon, I had rock stacked against the back wall, and aggression was continually increasing. After rearranging the rock so that it was piled in the center, many of the sub-dominant fish could swim around a corner to safety. I'm not sure "out of sight = out of mind" is entirely accurate, but the more opportunities your fish have to get away from aggression, the better their chances are for keeping their fins. :)

#5 sick-lids

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Posted 24 May 2005 - 08:25 AM

what type of fish are they?

#6 raustin

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Posted 06 January 2006 - 03:23 PM

personally i would get the damaged fish out with the amount of fin damage to the fish its amun system will be low which could then create all sorts of infection and deseases to your tank try taking the fish out and putting it in another tank to recover and if it does before you put it back in the tank rearange all the decor so that they all have to find new territorys .

#7 Guest_TrItOn_*

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Posted 23 December 2006 - 05:54 PM

One of my slightly bigger cichlids is picking on another. The hurt one is missing all rear fins and there are spots on the dorsal and bottom fins missing also. Does anyone have suggustions on what to do? If I remove the hurt one will the aggressor find a new victim....If so should I get rid of the aggressor. It is my favorite fish though and has the best colors.

You may need more fish in the tank also. They create target fish and help lower aggression , because several seem to create more targets for aggression. 5+ cichlids to tanks seem to work perfectly for me. Very important the territory, decor........good luck!




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