Ive been catching a few of em in the same area. They go hard when they get over 40cm....
Id been calling em grassy sweetlip, but now Ive found they bare spangled emperor with the blue pectoral fin.
http://www2.dpi.qld.gov.au/fishguide/15787.html

I didnt think much of them as table fish, so now I let em go.

cheers
Andrew