Not sub-glacial lake (Vostok is 3,740 meters further down), but interesting findings:
"It is permanently covered by a massive cap of ice up to 27 metres thick, is six times saltier than normal sea water, and at −13 °C is one of the coldest aquatic environments on Earth — yet Lake Vida in Antarctica teems with life."
http://www.nature.com/news/life-abounds-...ce-1.11884
"It is permanently covered by a massive cap of ice up to 27 metres thick, is six times saltier than normal sea water, and at −13 °C is one of the coldest aquatic environments on Earth — yet Lake Vida in Antarctica teems with life."
http://www.nature.com/news/life-abounds-...ce-1.11884