if you could change the size of any fish, what fish's size would you change and how big would you make it?

[Ichthys]

5” Arowanas, 3” Red Tailed Cats, foot long Kuhlies, foot long Chromaphyosemions, foot long Glass Cats….
I could go on…

 

[Fishmanic]

a 3 inch neon tetra would be nice