"General recommendation are 55 for one and a further 25 per O after that, but that would require a few water changes for quality. get as big as you can...
would give you a better chance of it working and more leeway with water"
this was taken from a moderator of a very good oscar website,
i have a 150us so i could have four oscars in my tank
not sure if i would want to venture down that road, but would be great imagine four oscars hehe......
i would not think aggrestion wise that would work
what do you guys think