Antarctic fish evolved for an ocean near freezing. Marine biologist Dr. Jilda Alicia Caccavo explores pelagic notothenioids, including commercially fished toothfish and the icefish known for colorless blood. Learn how antifreeze proteins and genomic traits support life in the Southern Ocean, how climate genomics reveals population vulnerability, and why changing ocean conditions should inform Antarctic fisheries management.

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Episode Guest: Dr. Jilda Caccavo

Learn more about Dr. Jilda Caccavo on her website 

Find more of Dr. Jilda Caccavo’s work on Google Scholar

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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