bl00;1882657; said:If I decided on a severum, then I would be using a 36X12X18 inch tank...I guess that'd be kind of cramped. Any other suggestions for a colorful fish?
Yeah, 36x15x15 would work but 12" wide is a bit cramped.
Female (Males get too big) Salvini would do nicely and they're easy to sex at quite a small size. I've really go no other suggestions for a single specimen tank, but I always prefer to keep fish with others.