What new critter do I get for my tank?

[instantaquatics]

Info:

Tank size: 10g standard
Substrate: Crushed coral
Live rock
Light: Hipargero

Inhabitants:

Clownfish are a bit aggressive to my mushroom so I had to put it in a cup. Will upgeade to a 29 later down the road so he can be free!

Clownfish pair
1 hermit crab (blue leg)
Zoanthid rock
Rhodactis mushroom (about to split)

Parameters:
Ammonia 0
Nitrate 0
Nitrite 0
Alk 11.8
Mag 1280
Calc 450
Salinity: 1.025

 

[xiholdtruex]

Sexy shrimp would be a nice addition or a porcelin crab