Lessons from Reefs that Recovered
Shark conservation isn’t theoretical. Around the world, a growing number of reefs show what happens when sharks are allowed to return.
One of the most striking examples is Cabo Pulmo National Marine Park in Mexico. After the local community committed to a full no-take reserve, shark populations rebounded, and overall fish biomass increased dramatically. The reef transitioned from a degraded system to one of the healthiest in the region, supporting both biodiversity and sustainable tourism.
In Indonesia, the Misool Marine Reserve tells a similar story. Once heavily fished, Misool is now a network of protected zones where sharks and rays are thriving. The return of apex predators has helped stabilize reef communities and protect coral diversity in one of the most biodiverse marine regions on Earth.
The country of Palau took an even bolder step by declaring its entire exclusive economic zone a shark sanctuary. This national-level protection has safeguarded sharks while reinforcing Palau’s identity as a leader in ocean stewardship. Healthy shark populations have become an ecological asset, supporting reef resilience and ecotourism alike.
These successes share common themes: long-term protection, enforcement, and patience. Shark populations recover slowly, but their ecological impact is outsized. When sharks return, reefs become more stable, more diverse, and better able to withstand disturbances like bleaching and storms.
This gallery celebrates sharks not as villains but as keystone species, quietly holding reef ecosystems together. Their protection isn’t just about saving sharks; it’s about preserving the balance that allows coral reefs to endure.