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Discussion Starter · #1 ·
I have a small/medium yellow tang. Absolutely beautiful, but I put him in my tank too early. I needed to take care of an algae problem and they told me to buy him, so I did. At that point all I had was 2 percula clowns and invertebrates. I added the tang and a lawnmower blenney at the same time. Now my tang is getting aggressive with any other fish I put in. I want a peaceful tank and eventually add some corals.

Any advice???

Heather
 

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Yellow tangs can be wrasse holes esp. With other tangs and similarly shaped fish. I have had my yellow tang for about 5-6 yrs and I have seen her b extremely aggressive to new additions and has even been the cause of . A few deaths.

With that being said I have found a few tricks to sneak a new fish in.
1) add new fish after lights out in complete darkness, at night the fish kinda sorta sleep and its much easier to slip a new fish in, I have also gone as far as leaving the lights off for a few days until they start to acclimated to each other.

2) a full fish is a happy fish. I normally feed before adding a new fish and with tangs if u regularly feed them seaweed, or nori it drastically reduces aggression.

3) another good trick is to rearrange your rock before adding a new fish. Fish become territorial of their space and by rearranging your rockscape you eliminate the territory that the fish has claimed.

I have had the best luck by feeding the fish, then before lights out rearranging the rockwork, and sneaking the new fish under the cover of darkness. And in the case of adding another tang I will normally leave the lights off for 2 days, and it has definitely reduced aggression in the existing fish and stress on the new addition.

I guess I should have started out by asking what size tank you have. Tangs (as you may know) require large tanks to do well, and if they are crammed in too small of a tank they will normally cause all types of problems.

Also I noticed you said you were having an algae problem I hope that was not the reason for buying the tang and lm blenny because if it's anything g other than a very small outbreak they will not help you.

If you are having algae problems the best/only way to get rid of it is to find the reason why you are hAving the outbreak in the 1stplace. Some common reasons would be high phosphates, high nutrient levels, or even old bulbs. The only way to truly eradicate a nuisance algae is to find the cause and kill it at its source.
 

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Discussion Starter · #3 ·
I got them because of the hair algae not knowing my phosphates were too high...the guy at the fish store didn't exactly send me in the right direction. Today my tang got very aggressive so I pulled him out and took him back. I rearranged the rocks...again (poor fish) and added some chromis and they seem to be doing well. I have one chromis that looks either really timid or is sick...just is not hanging out with the rest of the crew..at least now he is swimming around the tank, but I had to coax him to do that. We will see what tomorrow holds!

Heather
 

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+5 Gnarley ,You hit the nail on the head......If you could have seen the tang tank I did for a buddy of mine awhile back,It would have blown your mind.....Everyone that saw it freaked out..
 
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