Overall: These squids are highly developed creatures that have passed the other organisms in evolving to complicated creatures. Squids can basically live anywhere they wish. They are found in all the oceans, usually not in tropical or polar places.
Ecology: They have a reduced exoskeleton to protect their own organs. They have an open circulatory system though with a heart, a complete digestive system and they reproduce with others sexually. Squids do not have radial symmetry, but they are bilateral, like humans. They also have cephalization. They also have complex eyes that can form pictures and images with.