Wow...lots of comments, so forgive me if I don't respond to each one individually. As always, I appreciate the feedback. For now, I really want to focus on addressing something Orion brought up.
Orion said:
Aren't most of these fish juveniles?
Half of them are.
The only one I'd consider to be adult is the convict. The oscar is a sub-adult, and the salvini and firemouth are still very much juveniles.
And as Orion suggested, that's why it is far, far too early to make assumptions on long-term living arrangements. The whole point of this thread is to track the progress of these fish, or lack thereof,
over a long period of time. And I've chosen to 'showcase' this setup in particular
precisely because of the fact that it is risky. Tankmates are all considered aggressive to one degree or another, so actually having them work out long-term together will most certainly be a challenge. Of course it will probably require a fair bit of luck, but I'd like to think that I had some role contributing toward its 'success'---and that's where it gets tricky. My definition and your definition of 'success' in regards to this setup may differ a great deal.
As to why I've had a change of heart with regards to housing Triton alone...
Several reasons. First off, when he got sick I jumped the gun by telling myself (and announcing somewhere publicly, apparently) that I would from now on keep him alone. It applied quite fittingly to the situation at the time, but now that he's better and has a larger tank, that has changed. Not only that, but I could tell that he did not appear to be fully 'at ease' as he once used to be back when he had his tiger barb tankmates. Although I'm sure he would have eventually gotten accustomed to living alone, I decided to take him on a different path. Ever since he's had new tankmates, he appears to be much more content.
But you don't have to take my word for it! Check out the vids...
YouTube - Oscar - Con - Sal - FM
YouTube - Krill Time
BV