Squid Communicate With a Secret, Skin-Powered Alphabet

‘Squid and their cephalopod brethren have been the inspiration for many a science fiction creature. Their slippery appendages, huge proportions, and inking abilities can be downright shudder-inducing. (See: Arrival.) But you should probably be more concerned by the cephalopod’s huge brain—which not only helps it solve tricky puzzles, but also lets it converse in its own sign language.

…Certain kinds of squid send messages by manipulating the color of their skin. “Their body patterning is fantastic, fabulous,” says Chuan-Chin Chiao, a neuroscientist at National Tsing Hua University in Taiwan. They can display bands, or stripes, or turn completely dark or light. And Chiao is trying to crack their code…’

Source: WIRED

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