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The icefishes (or white-blooded fishes) are a family (Channichthyidae) of perciform fish found in the cold waters around Antarctica and southern South America.
The Channichthyidae "ice fish" that live in slightly warmer Antarctic waters have no hemoglobin at all, their blood is white.
Another interesting aspect of Notothenioid physiology is that while the majority of animal species have up to 45 % of hemoglobin (or other oxygen-binding and oxygen transporting pigments) in their blood, the Notothenoids of the family Channichthyidae have only 1%.