One source states that bowfin only reach about 14 inches in captivity. I assume this is in less-than-optimal conditions, then? Let's just pretend I could legally have one.
What kind of accommodations would be necessary in reality? Would a bowfin, in fact, continue to grow over time and be a 'tankbuster'? I have a 125g that one bowfin could, in theory, be placed into with an Oscar. I'd call that a killer combo.