Thursday, 1 November 2012

Crocodile Icefish

Crocodile Icefish

These ghostly Antarctic predators are unusual because their transparent appearance is due in large part to nearly invisible blood. They are the only known vertebrates in the world without hemoglobin, the protein in blood that transports oxygen.They survive without hemoglobin thanks to the subzero temperatures of the ocean where they live, since cold water has a much higher dissolved oxygen content than warmer water.

Crocodile Icefish

Crocodile Icefish

Crocodile Icefish

Crocodile Icefish

Crocodile Icefish

Crocodile Icefish

Crocodile Icefish

Crocodile Icefish

Crocodile Icefish


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