A study on the spawning season of 3 \(\textit{Acropora}\) species in Nha Trang bay, Southern waters of Vietnam

Specimens for the study on coral spawning of three species were collected at two sites in Nha Trang bay, South Vietnam, 2014, 2015, 2016, 2018 and 2019. The determination seasons was based observations gonadogenesis development A. florida robusta variation egg average sizes these hyacinthus. Data analysis comparative discussions allow us to assume that 3 Acropora exhibited single cycle annually their period occurred March/April between full moon crescent moon. However, maturity periods not same, starting before ending after but lasting until hyainthus. Further studies are needed improve understanding support restoration using sexual reproduction.