Can I...

[Schplitter]

...put 3 of these

Into my 100 gallon 6ft tank?

Heniochus Black & White Butterflyfish
(Heniochus acuminatus)

 

[Reeferhead]

Personally I wouldn't, you probally won't see their natural schooling behavior but I sure its possible.

 

[StupidsReef]

Yea I don't see why not

 

[Schplitter]

Now I just have to find a place to buy them...