The giant squid is the second-largest mollusc and one of the largest of all extant invertebrates. It is only exceeded by the colossal squid, Mesonychoteuthis hamiltoni, which may have a mantle nearly twice as long. ... Giant squid size, particularly total length, has often been exaggerated.

Do colossal squids exist?

The colossal squid is a massive squid that lives in the deep sea surrounding Antarctica, and it is the holder of multiple records. Not only is it the largest invertebrate on Earth, it also has the largest eyes of any animal, larger even than those of the great whales.

Are giant squids extinct?

Is the giant squid threatened with extinction? No. It's impossible to count such deep-dwelling creatures, but their number can be extrapolated from the number of sperm whales (the squid's primary predator), the number of squid beaks found in the stomachs of stranded or hunted whales and other factors.