Sleeper Shark Filmed in Antarctica
Analysis based on 12 articles · First reported Feb 18, 2026 · Last updated Feb 18, 2026
This event has no direct impact on financial markets. It is a scientific discovery that primarily affects the fields of marine biology and climate science.
A sleeper shark, estimated to be between 3 and 4 meters long, was filmed in January 2025 at a depth of 490 meters off the South Shetland Islands near the Antarctic Peninsula. This discovery, announced by researcher Alan Jamieson of the Minderoo-UWA Deep-Sea Research Centre, challenges long-held scientific assumptions that sharks do not inhabit the frigid waters of Antarctica. Conservation biologist Peter Kyle confirmed that a shark had never before been recorded so far south. While climate change and warming oceans could be a factor, the slow-moving sleeper sharks might have been present in Antarctica unnoticed for a long time due to limited research at specific depths and during certain times of the year.
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