Scientists Discovered why Strawberry Squid has Different Eyes


Duke University (USA) experts have found out why the squid Histioteuthis heteropsis species, which is called strawberry squid, has completely different eyes, one is large and yellow, the other one is small and blue.

Scientists Discovered Why Strawberry Squid Has Different Eyes

It turned out that such structure of the visual apparatus helps squid to survive in the 200 to 1000 meters depth. Big eye is used to spot shadow prey or predator, floating above. A little eye sees a bioluminescent flash in complete darkness. Scientists have come to such conclusion, having studied the video made in 30 years of observations. It turned out that when strawberry squids move, their big eye is always looking up.