This picture taken on April 19, 2017, shows a blue lobster at Oceanopolis, a sea center in Brest, western of France. Scientists say that this specimen is extremely rare : one lobster among 2 or 3 millions is of blue color. This color is due to a genetic anomaly that develops an excess of crustacyanine, name of this blue pigment. (Photo by Fred Tanneau/AFP Photo)
