I used to have 6. But now I have 4. After these guys pass I will probably just stick with 1 or 2 at a time.
Joshy - 1.5 gallon
Athena- 1.5 gal
Komodo- 3 gal
Tidus- 1.5 gal
Not too fancy but they are happy!
2 boys- Komodo and Mr Tinsel
Rest in Peace: Joshy, Pearl, Athena, Indie, Tidus