Scientists report discovering a shark nursery in a cove within Brazil’s Ilha Grande bay. Multiple outlets say the site functions as a nursery area for pregnant blacktip sharks, with researchers finding evidence that pregnant animals use the cove. The discovery is described as surprising and is linked to conservation planning. According to the reports, the identification of the nursery provides new information about local shark breeding and habitat use in the region. The findings have prompted a conservation project aimed at protecting the area and the sharks that rely on it. The coverage emphasizes the significance of the nursery discovery for understanding blacktip shark reproduction and for guiding measures to reduce risks to the species in that part of Brazil. While the articles focus on the discovery and the resulting conservation initiative, they present the core point consistently: a specific cove in Ilha Grande bay is being recognized as a critical nursery habitat for pregnant blacktip sharks. The reports do not indicate any single cause for the nursery’s protection needs, but they frame the project as a response to the new scientific evidence.