The fish currently in my tank are as follows:
Royal/Brazilian Gramma, Gramma loreto
The first fish added, has the weirdest home. It lives and sleeps in a burrow it made in the tube leading into my under ground filter. When it gets scared it darts underground it is the strangest thing to watch.
Dragon Sifter Goby, Amblygobius phalaena
This guy is so much fun to watch, he is constantly sifting the sand through his gills to pick out the bugs, and keeps my sandbed so clean and free of algae. He also eats frozen and flake food so he doesn't completly wipe out the local fauna in my sand bed.