Freezing resistance in some antarctic fishes

Arthur L. DeVries, Donald E. Wohlschlag

Research output: Contribution to journalArticlepeer-review


Measurements of serum freezing points in three Antarctic marine fishes indicated that they do not freeze in the -1.87°C seawater because their blood is isosmotic to seawater. Concentrations of sodium chloride, urea, and free amino acids in the serum accounted for only half of the freezing-point depression of the serum. A protein containing carbohydrate was isolated which accounted for 30 percent of the freezing-point depression of the serum.

Original languageEnglish (US)
Pages (from-to)1073-1075
Number of pages3
Issue number3871
StatePublished - 1969
Externally publishedYes

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