Madrid. fish real moon is the first that is found to have fully warm-blooded like mammals or birds, which gives it a competitive advantage in the cold ocean depths, according to a study National Oceanic and Atmospheric Administration (NOAA) of the United States.
The mammals and birds usually keep warm blood, but the real moon is the first fish that is that is able to keep all his body warmer than the environment around you.
The fish that inhabit the same real-deepwater moon tend to be slow and lazy, to conserve energy hunt ambushing their prey instead of chasing them.
However, in the case of sunfish their constant flapping warms your body, increase your metabolism, your movement and your reactions, according to a study published by “Science”.
This fish, about the size of a large car tire, is found in all oceans and lives hundreds of feet below the surface in cold water and in low light. It is also characterized by swimming through rapid flapping their pectoral fins as if they were wings.
Having hot blood makes sunfish a predator high performance nothing faster reacts more quickly and your vision is most acute, according to Nicholas Wegner fisheries biologist at the National Oceanic and Atmospheric Administration of the United States, in La Jolla (California), lead author of the study.
” Before this discovery had the impression that this was a slow-moving fish, as most fish in cold environments, “but the fact that it can warm your blood making it a very active predator chasing agile prey such as squid and can migrate long distances, “he said.
Wegner began to realize that the real moon was an unusual fish when study co-author, biologist Owyn Snodgrass, took a sample of gill tissue.
The hot blood vessels that carry blood into the surrounding tissue gill carrying cold blood back into the body after absorbing oxygen from the water.
This design is known engineering as “countercurrent heat exchange,” which in the sunfish assumed that the hot blood from the center of the body helps warm the cold blood returning from the respiratory surface of gills.
It is similar to a car radiator and is a natural fit for warmth. Besides the unique location of heat exchange in the gills allows almost all the animal’s body temperature remains high even in cold water, which is known as endothermic, the study found.
“Never before had “seen anything like the gills of a fish is a” great for these animals that gives them a competitive edge innovation, “said the expert, who noted that” the concept of heat exchange in counter was invented in the fish long before us to think on it. “
The researchers collected data on the temperature of specimens of fish real moon in the West Coast and found that his body temperature was normally higher than that of water around them.
In addition to temperature gauges coupled specimens of fish and followed in their dives hundreds of feet, after which he found that his body temperature was stable even when the temperature of water descended from sharply.
The fish has a real moon muscle temperature is on average five degrees higher than the water that surrounds him as anything between 150 and 1,000 feet below the surface.
Source: EFE
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