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Surprise shark caught on camera for first time in Antarctica’s near-freezing deep
The 3-4 meter sleeper shark was recorded at 490-500 meters depth in near-freezing 1.27°C waters, revealing possible undetected presence or range shifts linked to climate change.
- On Wednesday, the Minderoo-UWA Deep-Sea Research Centre released footage via The Associated Press showing a sleeper shark filmed in January last year off the South Shetland Islands, measuring between 3m and 4m.
- Few research cameras operate at that depth and only during southern hemisphere summer months, while Alan Jamieson found no prior record of a shark so far south, with scientists noting data scarcity due to Antarctic Ocean remoteness.
- The shark was 490 metres deep at a near‑freezing 1.27 degrees Celsius, maintaining that depth as the warmest layer in the Antarctic Ocean stratified to about 1,000 metres, with footage showing a skate motionless on a seabed that slopes into deeper water.
- Researchers say the finding alters understanding of Antarctic biodiversity and that sleeper shark populations are likely sparse and difficult for humans to detect, as Jamieson suggests.
- During the southern hemisphere summer months, research cameras operate only from December through February, and the other 75 percent of the year no one is looking, explaining surprises like anglerfish documented in 2014, according to researchers.
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kreiszeitung.deReposted by 
mannheim24.de
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Leaning Left29Leaning Right10Center49Last UpdatedBias Distribution56% Center
Bias Distribution
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C 56%
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