Geister der Arktis – Das Geheimnis der Eishaie | NDR Doku
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Greenland sharks, ancient creatures of the Arctic waters, live long lives and are poorly understood, with researchers like Dr. Julius Nielsen and Dr. Brynn Devine working to unravel their mysteries. Filmmaker Christina Karliczek Skoglund and fisherman Tobias Ignatiussen also play a role in studying and interacting with these enigmatic sharks, shedding light on their behavior and biology.
Insights
- Greenland sharks, living in Arctic waters, can live for centuries, with the oldest estimated to be between 272 and 512 years old, showcasing the mysterious nature of these ancient creatures.
- Despite their poor eyesight, Greenland sharks navigate various water depths, attracted by bait on longlines, and researchers are still unraveling mysteries such as their reproductive habits and the lack of newborn pups, emphasizing the need for further study to understand these enigmatic animals.
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Recent questions
How old can Greenland sharks live?
Several hundred years
What is the diet of Greenland sharks?
Meat, attracted by bait
How do Greenland sharks navigate in the water?
Utilize entire water column
What is the reproduction process of Greenland sharks?
Give birth to hundreds of pups
How do researchers study Greenland sharks?
Cameras at great depths
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Summary
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"Greenland Sharks: Ancient Mysteries of the Arctic"
- Greenland sharks, mysterious and ancient creatures, live in the Arctic waters and can reach several hundred years of age.
- Wildlife filmmaker Christina Karliczek Skoglund embarks on an expedition to film these enigmatic sharks under the sea ice.
- Marine biologist Dr. Brynn Devine uses cameras at great depths to study greenland sharks, estimating their local abundance and identifying hotspots.
- Greenland sharks have poor eyesight but utilize the entire water column, moving from great depths to shallow waters and the surface.
- Tobias Ignatiussen, a fisherman, catches greenland sharks with longlines and nets, drying and fermenting their meat for consumption.
- Greenland sharks, near-blind but with an excellent sense of smell, swim slowly through cold waters, attracted by bait on longlines.
- Researcher Dr. Julius Nielsen estimates the oldest greenland shark to be between 272 and 512 years old, highlighting the lack of knowledge about these creatures.
- Greenland sharks pose mysteries, including the absence of newborn pups, with research indicating that they may give birth to hundreds of pups per pregnancy.
