A massive whale graveyard discovered in the south‑eastern Indian Ocean stretches some 1,200 km (745 miles) and plunges 7 km (4 miles) into the ocean floor. Scientists report that the site, located in the Diamantina fracture zone, contains fossilised remains dating back 5.3 million years, predating any previous record of such extensive marine cemeteries.
The necropolis is a living laboratory where researchers have collected samples from 485 fossil sites, finding a unique blend of extinct skulls, intact whale carcasses and living communities of jellyfish, worms and crustaceans. Among the fossils was the beaked Pterocetus benguelae, one of the world’s oldest known whales, and a new species the team named Pterocetus diamantinae.
Microscopic evidence suggests that the deep‑sea environment around the graveyard favors novel biological interactions that may yet be unknown to science. "The size of distribution, the depth and the age range were far beyond anything we had imagined," said Xiaotong Peng of the Chinese Academy of Sciences, emphasizing how the discovery could reshape our understanding of ancient marine ecosystems.
Many Indigenous Oceanic communities have long regarded whales as ancestral spirits, guiding them in navigation, healing, and stewardship. The discovery echoes these oral traditions, underscoring the responsibility to protect marine heritage and the delicate balance of life beneath the waves. By integrating scientific research with Indigenous knowledge, future initiatives can honour both the deep history and contemporary cultural values that connect people to the sea.
The site’s limited accessibility means it may still harbor unknown species and geological secrets, inviting more submersible dives that respect Indigenous stewardship principles. Scientists hope that the findings will inspire collaborative research and reinforce global efforts to preserve biodiversity while acknowledging traditional custodianship of the oceans.
