SD Aggression

[fishman256]

Hello,

I have a group comprising of SD's, yellow hoks and spotted dollars. One of the smaller SD's is being aggressive to the other fish in the tank, including a larger SD and as a result is not seem as much as I would like.

I accept that there will be some fighting within the group for dominance, but I hope it does not cause any problems. The targeted fish is larger and the instigator also gets chased sometimes.

I will re-arrange the tank decor to see if this help and reduce the plastic plants, make sure the have large leaves to provide more cover.​

 

[channarox]

ive never heard of them showing that much aggression to the point some are hiding...
i always had aggression when i had my 20 SDs,but they were shoaling together most of the time.
GL with them,if need be just get rid of it.

 

[fishman256]

Hello,

I have changed the tank layout and I hope that they will settle down. The culprit does get put back in his/her place by some of the larger fish, so I suspect that it is just trying to get a more dominant place in the group. If the behaviour does not improve then reluctantly I will remote it.

 

[bigfishrcool1193]

i have two red hook silver dollars, and the larger one chases the smaller one every so often.

 

[cichlidfish]

Re-arranging only works w/ territorial fish, which SD aren't. The SD are just establishing a hirearcy, and no harm should be done otther then some nips. The more SD you have the less fighting you will see.

 

[fishman256]

Good news. Every thing appears to have calmed down.

 

[Cichla dude]

SD'S do that all the time. Thats just how they ''play'' with each other.

 

[Bogwoodbruce]

Ive never really found em to be agressive, although on a night my 7" Yellow hook will keep all the others some smaller most bigger than him at the other end of the tank. M. Torquatus seems much more agressive :s