Hibernation-like behavior in Antarctic fish -- on ice for winter

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The Antarctic Cod (Notothenia coriiceps) became isolated from its warmer water cousins around 30 million years ago when the Antarctic circumpolar current was formed. Credit: Dr Hamish Campbell
The 'Antarctic Cod' (Notothenia coriiceps) became isolated from its warmer water cousins around 30 million years ago when the Antarctic circumpolar current was formed. Credit: Dr Hamish Campbell

Scientists have discovered an Antarctic fish species that adopts a winter survival strategy similar to hibernation. Reporting this week in the journal PLoS ONE, the online journal from the Public Library of Science, scientists from British Antarctic Survey (BAS) and the University of Birmingham reveal, for the first time, that the Antarctic ‘cod’ Notothenia coriiceps effectively ‘puts itself on ice’ to survive the long Antarctic winter.


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