I would never. Frontosa are non aggressive. The jag or JD will end up killing it.
well i have three 11+ oscars, a 10'' jack, a 5.5'' jag an 10 or 11'' sen and they are all fine in my 125 the fronts are in a 55 right now that is at 7.9 pH with rock caves and fake plants i think i might just which the 55 over to sand and call it a day