Plz id its attacking my new yellow tang

jose521

New member
Some one help asap plz
 

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Back when I was breeding african cichlids, I had to remove and reintroduce fish into their tanks all the time.
ie, reintroducing a mouth brooding female, who has just released her fry in a nursery tank, back into the orginal tank with an aggressive alpha male.
A trick I used to get a strong fish like yours to stop (or slow down) attacking a new fish is to trim off his tail. It will grow back within a week or 2, but in that time, your new fish will easily be able to out run him and not be injured. It also gives the new fish a tactical advantage in a fight. By the time your damsel grows out his tail, the 2 fish will have accepted each other.

OR

What I do now when I want to add a fish, is to add 2 or 3 at a time. That way, the resident fish is busy chasing multiple targets, thus his aggression is dispersed.

OR

You can rearrange the rock work, destroying the orignial territories and the home team advantage, so everyone thinks they are in a new tank
 
:eek1: Option 1's a little harsh!
You can also try placing a mirror on the side of the tank, it may distract the Damsel long enough for the Tang to settle in and be able to defend itself.
 
Back when I was breeding african cichlids, I had to remove and reintroduce fish into their tanks all the time.
ie, reintroducing a mouth brooding female, who has just released her fry in a nursery tank, back into the orginal tank with an aggressive alpha male.
A trick I used to get a strong fish like yours to stop (or slow down) attacking a new fish is to trim off his tail. It will grow back within a week or 2, but in that time, your new fish will easily be able to out run him and not be injured. It also gives the new fish a tactical advantage in a fight. By the time your damsel grows out his tail, the 2 fish will have accepted each other.

OR

What I do now when I want to add a fish, is to add 2 or 3 at a time. That way, the resident fish is busy chasing multiple targets, thus his aggression is dispersed.

OR

You can rearrange the rock work, destroying the orignial territories and the home team advantage, so everyone thinks they are in a new tank

Some fish are aggressive because they are territorial; like African Cichlids or many clownfish. Re-arranging rock can help. Some fish are just plain aggressive and will stay that way, no matter what you do. Damsels are in the latter group.
 
Once the yellow tang can establish himself, he'll be quite aggressive in a 40g as well. Something to keep in mind for future additions...
 
If you can catch the damsel, just take it back to your LFS - no need to chop off its tail! I had a murderous three-stripe years ago that I could not catch. Had to resort to a tiny hook and fishing line. Took about 2 seconds. Had a sore mouth for a few days I'm sure, but none the worse for wear.
 
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