Hey reefpete, I am following along because this is what I'm doing with my 60g build.
From what I read, they will go after the shrimp and possible the goby. Not to hijack your thread, but my tank will be a Valentini puffer, dwarf lion of some sort, and a snowflake. I read these little puffers (like the fiji) can actually be good tank mates with a dwarf lion!
"When you're down by the sea and an eel bites your knee... That's a Moray"