Giant squid appear so rarely that it’s almost impossible to study them. Earlier in his career, Guerra spent two 15-day research cruises trying unsuccessfully to film the animals.

Giant squid have been known to grow to more than 40 feet long and are not to be confused with the colossal squid, which is a different species and the largest invertebrate on the planet.

Until recently, scientists had only filmed a living giant squid in the wild twice—once off Giant Squid Spotted in Deep Waters, the First Ever Spotted in U.S. Waters! Skip to main content ...

Giant squid have been recorded in US waters for the first time in history. These photos show why they are still so mysterious. ... The Atlantic, BBC, National Museum of Natural History.

Giant squid are most often recorded in the North Atlantic and North Pacific, and near South Africa and New Zealand, according to the International Union for Conservation of Nature (IUCN).

Researchers had thought there were three species of giant squid: one in the North Atlantic, a second in the southern oceans and a third smaller species in Japanese waters, says Clyde Roper, a ...

Giant squids usually live alone at depths ranging from 660 to 3,300 feet, drifting with the current. But sometimes they surface, as in this case, apparently to feed on the Spaniards' fish bait ...