can I add a clown goby

[trav_shock]

Iwould like to know if i could add one or maybe a pair of clown gobies to my 38 gallon
my current inhabitants are
1 true perc
1 Firefish
1 Royal Gramma
1 Scooter Blenny
1 Striped Dottyback
2 cleaner shrimp
1 emerald crab
2 feather duster
1 Sand sifting star
1 brittle star
some mushrooms
thanks for any advice
Travis

 

[Psionicdragon]

Shouldn't be a problem. Maybe...the dottyback will chase it though =/