Pic http://www.medioambiente.org/2012/04/el-calamar-luciernaga-de-azul-cobalto.html Sparkling Enope Squid / Calamar Luciérnaga / Watasenia scintillans This squid is the only species of cephalopod in which evidence of color vision has been found / Se cree que este calamar es el único cefalópolo con visión en color