Fig. 1

Overview of the Leptoseris and Agaricia study species. a Map of the sampling locations for Leptoseris in the Indo-Pacific (blue) and Agaricia in the Western Atlantic (red). b Leptoseris-dominated coral community at 87 m depth in the Hawaiian Archipelago (photo: Hawaiian Undersea Research Laboratory). c Agaricia-dominated coral community at 40 m in Curaçao, Southern Caribbean. d Phylogenetic tree (RAxML-ng) based on 37,528 concatenated nextRAD loci (3,361,114 sites) of the overall dataset, highlighting the position of Leptoseris (blue) and Agaricia (red) relative to included outgroups. Specimens from the focal species of this study are represented by coloured branches in the tree, with grey branches representing unidentified specimens