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The average temperatures (temp.), salinities, and live coral cover (ALCC) percentages for each island reflect the means across the sites from which corals were sampled only (n = 46 reef sites), and the environmental parameters highlighted in bold differed significantly between islands (1-way analysis of variance [ANOVA], p<0.05). Letters behind standard deviations represent Tukey’s honestly significant difference groups (p<0.05) between island means for temp. and ALCC. For the environmental data for all 70 surveyed sites, please see the S1 Data File. ND = not determined. PA = P. acuta. PB = P. brevicornis. PD = P. damicornis. PM = P. meandrina. PV = P. verrucosa.