Barnacle Billie:

Barnacle Billie headed out to deeper water:

Further up the reef we found Melinda foraging:

Later we swam out to the Burbs to see if Barnacle Billie had perhaps gone there to rest. She did.

And she came up for air.

She really needed some cleaning and was Ok with some help, even at the surface. Back down the yellow tangs did wht they could: