An unusual sight greeted researchers as a large, bulky shark slowly moved across a desolate seabed in the depths of Antarctica, an area previously thought to be devoid of sharks. The remarkable sighting was captured on video in January 2025 by a camera operated by the Minderoo-UWA Deep-Sea Research Centre near the Antarctic Peninsula. The shark, estimated to be between three and four meters long, defied expectations as it swam at a depth of 490 meters where the water temperature hovered around a chilly 1.27 degrees Celsius.
Alan Jamieson, the director of the research center, expressed surprise at encountering such a robust shark in the Antarctic waters, noting that it was a significant find as sharks were not typically associated with that region. The footage also revealed a skate, a shark relative resembling a stingray, calmly coexisting with the passing shark, a known occurrence due to the skate’s known distribution in these southern waters.
While the discovery raised questions about the presence of sharks in Antarctica, experts like Peter Kyne, a conservation biologist, emphasized that such sightings were rare due to the challenges of studying these remote regions. The scarcity of data on shark populations in the Antarctic Ocean, coupled with the region’s extreme conditions, makes it difficult to track changes in their distribution.
The researchers highlighted the importance of the footage in shedding light on the behavior of sleeper sharks in these depths, where they likely scavenge on the remains of marine creatures that sink to the seabed. The Antarctic Ocean’s complex layering, with different water masses stacked atop each other, creates unique habitats for these elusive sharks, making them hard to study except during the brief summer months when research cameras can operate.
Despite the challenges posed by the harsh environment, the recent shark sighting underscores the need for continued exploration and monitoring of Antarctica’s marine ecosystems to better understand the diverse creatures that inhabit these remote waters.