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Scientists in Antarctica have made a surprising and welcome discovery – the world's largest breeding ground for fish. Researchers from Germany's Alfred Wegener Institute for Polar and Marine Research came across the fish while mapping the seabed of the Antarctic Weddell Sea. They discovered schools of around 60 million icefish breeding in an area roughly 240 square kilometers in size. The research team had been towing a number of cameras to a depth of 530 metres under the Weddell Sea for months. Deep-sea biologist Autun Purser commented on the find. He said: "The idea that such a huge breeding area of icefish in the Weddell Sea was previously undiscovered is totally fascinating."
The researchers have been exploring the region hoping to establish it as an official Marine Protected Area. They say the seas are a unique habitat that must be preserved. They want to prevent fishing and invasive research to keep the waters as pristine as possible. A recent University of Cambridge study found that fishing trawlers in Antarctica are bringing millions of "hitch-hiking" species from 1,500 ports around the globe. These are threatening the area's fragile eco-systems. A researcher said: "So far, the remoteness and difficult sea-ice conditions of this southernmost area…have protected it, but...we should be much more ambitious with marine conservation."
- What kind of institute do the researchers work at?
- What were the researchers mapping when they made their discovery?
- How large is the fish breeding ground?
- What did the researchers tow?
- What is the job of Autun Purser?
- What do researchers want to establish the breeding area as?
- What did the researchers say the seas in Antarctica were?
- What did a Cambridge University study say "hitch-hikes" to Antarctica?
- What did a researcher say hitch-hikers were threatening?
- What did a researcher say we should be more ambitious about?
Back to the Antarctic icefish lesson.