Acropora Coral Spawning Spawning of Acropora tenuis, the most abundant coral in Okinawa Spawning of Acropora tenuis, the most abundant coral in Okinawa Date: 30 September 2016 Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0). Download full-resolution image Tags Research Share on: