what fish would you add ?

[cepaw]

Hi all, I have a 75 gal tank with the following fish
2 false percs
1 yellow tank
1 orange spot goby
1 mandarin
soft and lps corals
snails, hermits, queen conch

what reef safe fish or invert would you think would make a good addition ?

thanks for yors input...

[55Reef]

Royal Gramma?

Firefish?

Maybe a Pistol Shrimp for your Goby?