Architeuthidae, commonly known as giant squids, are large marine cephalopods found in deep ocean waters. They can grow up to 43 feet (13 meters) long, making them one of the largest invertebrates on Earth. These creatures have long, slender bodies, large eyes, and eight arms equipped with suckers, which they use to capture prey. Giant squids are elusive and rarely seen by humans, primarily living in deep-sea environments. They are known to be part of the diet of some marine animals, including sperm whales. Their unique biology and behavior have made them a subject of fascination in both science and popular culture, often inspiring myths and legends.