any for a 10g tank

[tfaceon]

im not exiclty sure but some thing other than a ram that i can put in my 55g but i dont want 2 move it in my 55g for at least 5 months and i dont want one that wount mess what i have going on in my bigger tank i want a fish that is bright i have black sand in the 10g and i'm working on doing the same 2 my 55g

 

[hypselecara]

in 10 g try put 4 Anomalochormis Thomasi.
smart and clever ones.