Antifreeze protein helps notothenioid fish survive in extreme conditions

September 24, 2014 3:59 AM

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Antarctic fish can survive in extreme conditions as the species has antifreeze like protein which prevents the ice crystals to join. A team of marine biologists has found very small ice crystals inside the body of fish in the Antarctic region.

Five major families from the notothenioid species form more than 90 percent of the fish biomass in the Southern Ocean. The temperature of the water ranges from 4 degrees Celsius to minus 1.9 degree Celsius. The water remains in liquid form even below zero due to dissolved salts.

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