question regarding tangs and tank size

[Rice Reef]

Originally Posted by Aquattro

Tangs don't read a lot online and don't know the rules.

I have the following in a 120... Sailfin, regal, purple, yellow and a kole. They are always in their best behaviour and gets along with the other fish in the tank. I am planning to go with much less rocks in the 120 soon to allow more swimming room for them.