RedForeman ©® intoned :

drop in a predator, and they'll get closer... tight is
relative....

Heh...

Didn't want to come off harsh, but if you have 3 schools of
'schooling' fish, you'll have loose schools...

I took it as a humorous reality.

I have a 4 in angel, think that will do? Even so I would like something
other than neons, I want a freshwater stream look.

--
Sam-I-Am
Stop leaving and you will arrive Stop searching and you will see Stop
running away and you will be found. - Lao Tzu