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An illustration of the 328 million-year-old vampyropod named after President Joe Biden (Syllipsimopodi bideni).

Ancient 10-armed vampire squid relative named for Joe Biden

By Laura Geggel published

A 328 million-year-old cephalopod may be the oldest in a group related to octopuses and vampire squids.

Squids
A bigfin squid that study co-author Alan Jamieson observed more than 16,000 feet underwater in 2014. Jamieson and his colleagues found the same species swimming thousands of feet deeper in 2021.

World's deepest-dwelling squid spotted 20,000 feet under the sea

By Brandon Specktor published

Scientists spotted the world's deepest-dwelling squid 20,000 feet below the Philippine Sea while hunting for a lost WWII battleship.

Squids
The blanket octopus swimming near the surface above the Great Barrier Reef, Australia.

Rare octopus video shows 'once-in-a-lifetime encounter'

By Patrick Pester published

A mesmerizing new video of an elusive blanket octopus swimming above the Great Barrier Reef in Queensland, Australia shows a "once-in-a-lifetime encounter."

Octopuses
A reddish octopus shows off its many arms.

What's the difference between arms and tentacles?

By John Arnst published

Some sea creatures have arms, others have tentacles and a few have both. So, what's the difference between these appendages?

Squids
A bigfin squid swims in the deep sea.

Eerie video captures elusive, alien-like squid gliding in the Gulf of Mexico

By Nicoletta Lanese published

The bigfin squid has a ghostly pale appearance and long, spindly tentacles.

Squids
Microscopy images showing the mysterious Kölliker’s organs extending and blooming from a young octopus' arm

Baby octopuses grow hundreds of temporary organs, then lose them without a trace

By Brandon Specktor published

Hatchling octopuses are born with tiny, temporary organs that look like microscopic brooms. Researchers may finally have an idea what they do.

Octopuses
Cephalopods are a group of marine invertebrates that include octopuses, squids and cuttlefish. Here, a colorful squid darts through the water.

Cephalopods: Facts about octopus, squid, nautilus and more

By Starre Vartan published

Cephalopods are members of a class of marine animals that includes octopuses, squid, cuttlefish and nautiluses.

Octopuses
several giant african land snails in green grass; two are mating in the foreground

Giant snails that were eating Florida homes finally eradicated … again

By Nicoletta Lanese published

Snails
A photo of an injured giant squid floating in the water having likely been attacked by a sperm whale.

Giant squid: The real-life ocean Kraken

By Patrick Pester published

Giant squid are mysterious deep-sea predators that are rarely seen by humans.

Squids
A female giant squid caught in a net off Kyoto had dozens of sperm packets from a single male embedded in her muscles.

World's most elusive giant squid could be monogamous, female corpse hints

By Stephanie Pappas published

A female giant squid caught off the coast of Japan mated with a single male in her lifetime, a surprising finding given what little is known about these creatures' reproduction.

Squids
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