With it being a 300 US Gallon Tank 249 UK gallons would I beable to get 3 pairs of Green Terrors or a group of males if there was lots of rock work etc to hid in?
1 pair. Cichlids when they breed, are monsters. Especially to fish of their own species.
I'd say get 1 pair and stock around it with whatever they don't try to kill, or get a bunch of males or different species and just don't breed the fish. Aggressive cichlids when they're breeding only get even more psychotic.
So something like 2 male Green Terrors, 1 maybe 2 male Jack Dempsey, 1 Juwel.
I've also seen lots of people keep silver dollars with there green terrors and juwels is this possible?
Like I said, it all depends on your cichlid. Silver dollars are commonly kept with large cichlids, because they are pretty large schooling fish. But then again, tiger barbs are pretty commonly kept with convict cichlids, and my convict tried ripping my tiger barbs into pieces.
Ok
If it were your 8ft x 2.5ft x 2ft tank what would you put in it?
If it were my 8ft x 2.5ft x 2ft I would be the happiest man alive
But like I said, I'm no expert on stocking big tanks, I'm just basing the info that I give off of what I've heard and what I've seen in the behavior of smaller cichlids.
But to answer your question, in a tank that size, I'd aim for a few male oscars, probably 2, 3 might be pushing boundaries, and a large eel of sorts, and whatever can fit with the oscars that won't get killed. Generally, large barbs, and silver dollars will work. But it all depends on your oscars, some of them are pretty relaxed, and some of them are absolute terrors to stock with.
