PBT Aggression Help

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aLu

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So I had two cardinals, two clowns, and a powder brown tang for a few months. We wanted to add some more fish and decided to add a sailfin, Midas, and a 6 line. After quarantine we added them all to the tank and the PBT took off on a frenzy mostly towards the sailfin but also the Midas as well. He probably would have gone after the 6 line but he darted into some rock work. I removed the PBT and put him into my quarantine as I didn’t know what to do. Any advice on what direction I need to go in? I thought if I removed him for a few weeks then it wouldn’t be his territory anymore and maybe it would be better. Or am I just being silly and the PBT just isn’t going to do well with new additions?
 
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i cant think

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So I had two cardinals, two clowns, and a powder brown tang for a few months. We wanted to add some more fish and decided to add a sailfin, Midas, and a 6 line. After quarantine we added them all to the tank and the PBT took off on a frenzy mostly towards the sailfin but also the Midas as well. He probably would have gone after the 6 line but he darted into some rock work. I removed the PBT and put him into my quarantine as I didn’t know what to do. Any advice on what direction I need to go in? I thought if I removed him for a few weeks then it wouldn’t be his territory anymore and maybe it would be better. Or am I just being silly and the PBT just isn’t going to do well with new additions?
What size is the tank? (Dimensions are better than volume).
 

Pneumatic_Addict

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Real estate is everything when mixing tangs. Know your tank size helps. With that being said:

The aggressor is the one you want to remove, so good call there.

I just had this happen with my Achilles. He’s 3.5”. Been a model citizen. Added 1 new fish and he turned into a total ******.
I put him in jail for 2 days, let the new girl get settled. Bam. Everyone’s back to normal the next morning. Only difference is I left him in an acrylic trap in the tank so they’d get used to seeing one another.

Give it a week and reintroduce. If it continues make a decision on who goes.
 

DrMMI

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I've introduced multiple tangs I to my 260g. The last one I added was a powder blue tang. I put him in an acclimation box for 3 days. Only my yellow tang would try attack him through the box. Once I let him out, I put up a 4ft mirror along the front of the tank and a few smaller ones on the side. The tangs were too busy attacking their own reflections to notice the powder blue was out of the box. After a week, I took the mirrors down and everything was fine. To this day, my yellow tang will occasionally chase the powder blue, but nothing serious.
 
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