Coral spawning is a fundamental process in the preservation of coral reef systems. However, reproductive information is still rare for many coral species and across a number of locations. No reproductive information is yet available from the western coast of the central and southern Red Sea. We document here the daytime spawning of Pocillopora verrucosa across the two coasts of the central Red Sea, in Saudi Arabia on the eastern side and in Sudan on the western side. In both sites, P. verrucosa released its gametes in the morning, 1–2 d before the new moon, within a 25-day window between mid-May and mid-June, matching other known observations from the east coast of the central Red Sea. Spawning followed a period of rapidly changing sea surface temperature. We here propose that given the reproductive synchrony of P. verrucosa across both coasts, the timing of coral spawning from other species is likely to be similar as well.
Bibliographical noteKAUST Repository Item: Exported on 2021-01-27
Acknowledged KAUST grant number(s): CRG-1-BER-002
Acknowledgements: The authors would like to thank Jesse Cochran for organizing the field work in Al Lith, the crew of the MV Dream 3 in Al Lith, and the captain and crew of the MV Don Questo in Sudan. Funds were provided by KAUST baseline research funding and award CRG-1-BER-002 to MLB. The authors declare no conflict of interest.