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Crocodile icefish (Channichthyidae)

12/17/2014

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Imagen
Photo:Wiki Commons/GNU
Imagen
Icefish (Chionodraco hamatus) Photo:Wiki Commons/GNU
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.
Source: mnn



Estos depredadores fantasmales de la antártica son inusuales porque son transparentes, esto se debe en gran parte de su sangre casi invisible. Son los únicos vertebrados conocidos en el mundo sin la hemoglobina, la proteína de la sangre que transporta el oxígeno.
 
Estos animales sobrevivien sin hemoglobina gracias a las temperaturas bajo cero del océano en el que viven, ya que el agua fría tiene un contenido de oxígeno disuelto mucho más alto que el agua más caliente.
Fuente: mnn
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