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The team is finding pitting and erosion of the Pteropod shells from the decrease of the ocean PH level from absorbing more carbon dioxide. This could endanger this key food web species which provides up to 80% of the food for fish, which both penguins and seals rely on as primary food sources.

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Filename: 007_DSC09102.jpg
Image Size: 3600x2400 / 4.5MB; laboratory B-134 Antarctic science mcmurdo sound biology pteropods
Contained in galleries: B-134

The team is finding pitting and erosion of the Pteropod shells from the decrease of the ocean PH level from absorbing more carbon dioxide. This could endanger this key food web species which provides up to 80% of the food for fish, which both penguins and seals rely on as primary food sources.