Scientists discovered a previously unknown blacktip shark nursery in Brazil’s southeastern Ilha Grande bay, leading to the launch of a new conservation project.

The discovery is critical because it identifies a vital habitat for a species facing global decline. Protecting these nurseries is essential for the survival of young sharks before they migrate to deeper waters.

The nursery is located in Ilha Grande bay, near Angra dos Reis. Local groups and researchers are now working together to safeguard the area from human interference and industrial activity. This collaboration involves the local fishing community, which is integral to the long-term monitoring of the bay.

The initiative comes amid a broader crisis for marine apex predators. More than one-third of shark species are currently at risk of extinction [1]. These animals face threats from habitat loss and systemic over-fishing, which disrupts the balance of ocean ecosystems.

Brazil's role in this ecological challenge is significant, as the country is the largest consumer of shark meat [2]. This high demand has historically placed immense pressure on local shark populations, making the identification of a nursery in southeastern Brazil a pivotal moment for regional conservation efforts.

Conservationists hope that by protecting this specific site, they can create a blueprint for other nursery protections along the coast. The project aims to balance the needs of the fishing community, and the biological requirements of the blacktip sharks to ensure the species can recover.

More than one-third of shark species are at risk of extinction

The discovery of a nursery in a region with high shark meat consumption highlights the tension between economic demand and biodiversity. By integrating the local fishing community into the conservation project, the initiative attempts to shift the local economy from exploitation to stewardship, which is necessary to prevent the local extinction of blacktip sharks.