More Cephalopods

An adult giant squid struggles for survival in an encounter with a sperm whale - its only known predator. The whale will probably overpower and eat the squid. More about the giant squid can be found...
The yellow bioluminescent ring on this female octopus ( Bolitaena pygmaea ) may attract mates. Bioluminescence is an important adaptation that helps many deep sea animals survive in their dark world...
The largest of the cuttlefish species, Australian Giant Cuttlefish ( Sepia apama ) delight scientists each year as they gather in masses to spawn in northern Spencer Gulf, northwest of Adelaide in...
Published in 1882 by Yale Professor A.E. Verrill, this is the first scientific illustration of a giant squid. More about the giant squid can be found in the Giant Squid section .
A humboldt squid ( Dosidicus gigas )—also known as the jumbo squid—releases a cloud of ink at night in Mexico's Sea of Cortez. These large, carnivorous squids can reach more than 5 feet in length and...
Humans have long been captivated by what we now call the giant squid ( Architeuthis ). This image gallery gives a glimpe into our fascination with the animal. For a long time, people saw mysterious...
A giant squid left this tentacle behind after getting entangled on a hook below a Japanese research vessel, and eventually escaping. An underwater camera took footage of the event—the first time a...
Hundreds of powerful suckers stud the flattened club at the end of the giant squid’s long feeding tentacle. They help the squid capture and hang on tightly to its prey. They also leave deep scars in...
From the giant squid to microscopic squid babies, squids are beautiful and fascinating. As cephalopods, the same family as octopuses and cuttlefish, they have no bones, and swim head-first through...
Like the modern nautilus, this relative of modern squid hunted from inside the safe haven of a protective shell. Ammonites went extinct around the same time as the dinosaurs—65 million years ago...
A giant squid attacks a boat - something that has not been known to happen in real life. For centuries, rare glimpses of this huge sea creature led to fantastic explanations for what people's...
Smaller than the head of a pin, this arrow squid (Doryteuthis plei ) embryo looks like a miniature adult and is almost ready to hatch! Depending on the squid species, the development from a...
How do you get two dead Giant Squid the size of a school bus from a fishing boat in Spain to Smithsonian’s National Museum of Natural History in Washington, D.C.? Call in the U.S. Navy! In this...
Giant squid have the largest eye in the animal kingdom. At up to 10 inches in diameter, people often describe it as the size of a dinner plate -- or, in other words, as big as a human head. Here,...
Weighing 600 pounds (around 272kg) and having a 30 foot (around 9 meters) arm span, the largest recorded giant pacific octopus was truly enormous. Giant pacific octopuses are powerful predators that...
Dr. Clyde Roper discusses the fascinating anatomy of the giant squid ( Architeuthis dux) in this excerpt of "Eyeball to Eyeball," an episode of Errol Morris' First Person television series. Watch...
A chambered nautilus shell.
Giant squid live up to their name: the largest giant squid ever recorded by scientists was almost 43 feet (13 meters) long, and may have weighed nearly a ton. You’d think such a huge animal would be...
Subscribe to Cephalopods