Here's my current fish list for the 144....they are all peaceful together:

1 x Purple Tang
1 x Yellow Tang
1 x Purple Firefish
1 x Yellow Watchmen Goby
4 x Green Chromis Damsel
1 x Blue Sapphire Damsel
1 x Cleaner Wrasse
1 x Cleaner Shrimp
4 x Peppermint Shrimp
2 x Emerald Crab
Lots of various snails