Need help stocking...

[Round fish]

Ok so I added my first fish to my 29 gallon ( Sergeant major) and I need help figuring out what other fish I can put in.so far I've come up with 3 ideas

1 predator tank
1 seargent major
1 dwarf lionfish
1 snowflake eel ( juvenile)


2:mixed reef
1 seargent major
2 percula clown
1 watchmen goby
1 clown goby


3: carribean biotope
1 seargent major
1 neon goby
1 royal gamma
1 cherub angel
1 other carribean paleagic fish...


So which one should I go with?