# Ancient fish bones reveal how Arctic cod species survived the last ice age

- Source: Phys.org
- Published: 2026-10-21T19:20:01+00:00
- Category: Science
- Original: https://phys.org/news/2026-10-ancient-fish-bones-reveal-arctic.html
- Canonical: https://groundlevelnews.com/story/ancient-fish-bones-reveal-how-arctic-cod-species-survived-the-last-ice-47edf6/

The glacial Arctic Ocean was not a barren ice desert but a breeding ground for the evolution of cold adaptation in marine fish. This is the main conclusion of a new scientific publication from Stockholm University that examines small fish bones found in deep-sea sediments during an expedition aboard the Swedish icebreaker Oden.

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