A type of colour-shifting squid can be bought at fish markets in Vietnam, as seen in this unique video where spots of colour can be seen changing when their bodies are touched. <br /><br />Video of the phenomenon, captured on January 19, in Phu Yen, shows a person removing a dead squid from a bag and lightly touching its body to trigger the colourful flashes.<br /><br />This is a type of squid called "mực chớp" in Vietnamese and Bigfin Reef Squid in English . They are distributed mainly in coastal areas of Vietnam and prized as seafood in many cultures. <br /><br />These squids are sold for between $15 to $20 USD per kilogram.
