KAUST Achieves Breakthrough in Red Sea Coral Spawning with Two Million Eggs

Jeddah: King Abdullah University of Science and Technology (KAUST) has reproduced coral spawning in Red Sea corals in the laboratory as part of an advanced research program, enabling the process to be expanded and made available year-round. This resulted in the production of approximately two million eggs from six coral species this season, an achievement that advances coral reef research and supports future protection and restoration efforts.

According to Saudi Press Agency, this achievement represents the first successful implementation of the phase-shifting technique in coral spawning in the Kingdom, opening new horizons for marine science research and reef restoration in Saudi Arabia. Replicating coral spawning in simulated laboratory environments is a complex technical challenge that requires highly advanced marine research infrastructure and precise control systems.

Director of KAUST's Coastal and Marine Resources (CMR) Core Lab Haitham Aljehdali explained that coral spawning is one of the most remarkable events in the ocean, but it is fleeting and difficult to study. He noted that recreating it in the lab for Red Sea corals is critically important because it gives researchers repeated chances to understand the most sensitive and fragile stages of reef life. Each successful spawning event creates another opportunity to learn how researchers can better support these ecosystems.

He confirmed that these advanced spawning systems help support coral research globally, but KAUST's program is applying this capability intensively to Red Sea corals, giving researchers greater opportunities to advance studies related to coral reef restoration and reproduction and to strengthening coral resilience in its early stages.

The Red Sea coastline hosts high-value ecosystems and supports vital sectors, including tourism, fisheries, and marine innovation. Advances in coral propagation science are of increasing strategic importance. Deepening the understanding of coral reproduction mechanisms and building new generations of corals enhances the efficiency of protection and environmental restoration efforts and supports the long-term sustainability of these systems.

Red Sea corals are of special scientific interest because they live in one of the world's warmest and saltiest reef environments, offering important insights into how these ecosystems adapt to harsh marine conditions.