There are many amazing creatures living in the depth of sea, some of these are very dangerous. The size of majority Squid are about 60 cm and Giant Squit are about 43 ft. Squid have discriminate from their ancestral molluscs similar that the body system has been summarized antero posteriorly and developed dorso vent-rally. The foot of the ancestor is reshaped into a motleyset of tentacles and highly developed sense organs, have advanced eyes allied to those of vertebrates.In many countries, Squid are also used as food and food is often advertised using the Italian word Calamari.
