The giant squid has eluded scientist since its discovery with nothing but pictures and carcasses to go off of. Its deep-sea habitat makes it difficult to study. The first photo of a live squid was not taken until 2004 and the first live giant squid to be brought to the surface was not until 2006. The giant squid belongs to the phylum Mollusca, class Cephalopada, genus Architeuthis, and species Architeuthis dux. Giant squids are similar to their smaller relatives in many ways including, using ink as a defense against predators, they have a closed circulatory system so they can move quickly. Squids also have a very sophisticated nervous system and a complex brain. Their eyes have been known to be the size of a dinner plate and are able to detect
