Ok so down size toss out the gar, a bass..1 aro, 2 bass, bichir together... And maybe -kll wait to get/add a bichir then
No to the alligator gar, will get way too big. The ornate may be capable of eating the silver at that size, might snatch it at night while it's sleeping. Try growing the silver out to near the same length of the ornate before attempting to mix them because ornates tend to be one of the more fish aggressive polys and will eat fish that it can fit in its mouth. The bass may also be some pretty expensive meals for that large ornate.
are florida gars ok if not a alligator then ?
go for a jardini or black aro... all silvers get drop eye, its horrible to see their eyes all messed up no cure and it will get it almost definitly! black will fit in your tank better aswell, a 4 foot silver is huge and to big for a 300!
Dragons had a couple 6-7" black aros for $89 when I was there last month.
An alligator gar could reach 2 1/2ft in its first year. Florida gar could work. Just watch it though and keep it well fed. I had one I kept with smallmouth bass bigger than it and the gar would shred their fins when the lights went out.
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Black aros are a waste of money and not worth the hype IMO. They are just a slender variant of silver aros. They fade out to a light grey as they get bigger. Just looks like you have a thin silver. LoL
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