LKB conceived and designed the study, collected the samples, carried
out the molecular work, analysed the data and drafted the manuscript.
MJC and RHC assisted with the design of the study, analysis and
interpretation of results and the preparation of the manuscript. All
authors read and approved the final manuscript
The staff at Lizard, Orpheus and One Tree Island Research stations,
the crew on MV Escape and numerous volunteers all made the field
collections possible. We thank M. Kingsford for donation of Broomefield
and Polmaise samples and L. van Herwerden for sequences from Sykes
Reef. Financial support was provided by James Cook University (LKB and
RHC), the Australian Museum (LKB), Australian Coral Reef Society (LKB),
the Australian Research Council (RHC and MJC), the Hermon Slade
Foundation (MJC) and the estate of W. V. Scott (MJC). MJH van Oppen
provided helpful comments on an earlier version of this manuscript.
This study conformed to current Australian Law and was conducted under
JCU Ethics and GBRMPA permits.