Stock Check For My 55 Gal

[Leainc]

Hello everyone!

Adding new fish to my tank has been at the back of my head for a while now, but I don't want to overstock it.

So here goes, I have a thriving 55 gal community tank.
2 filters:
Fluval C4
Fluval Edge 6 G (from an old tank, I figured it wouldn't hurt to add it as it's not being used!)

Stocking:

1 betta splenden
10 lemon tetra
9 rummynose tetra
4 oto
1 blue phantom pleco
8 khulI loach (could be 9, could be 7, I never see them at the same time)
2 vampire shrimp, 4 amano shrimp and 3 cherry shrimp (used to have more, they were snacks).

Here are the scenarios I had in mind:
- add 4 more otos, 5 more lemons and 6 more rummynose
- add 4 more otos and a school of emperor tetras.
- add 4 more otos (I really want them to have more friends) and X some lower level nice looking fish like a GBR or something of the sort.

My tank is (I think) medium or heavily planted, here's a picture:

Anyway, please tell me what you think, I'm open to suggestions!

 

[Fanatic]

I would remove the betta from the list.
They aren't compatible with most of the fish by either temperature or aggression.
Otherwise, I think that's a good stocking.