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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
The glass octopus moving in the deep sea of the Central Pacific Ocean.

Elusive glass octopus spotted in the remote Pacific Ocean (Video)

By Laura Geggel published

An underwater robot captured footage of the rarely seen glass octopus in the remote Pacific.

Octopuses
Baby bobtail squid just hours after hatching.

Glow-in-the-dark baby squid and tardigrades to be blasted into space

By Ben Turner published

Scientists hope to identify the genes that the animals use to adapt to extreme environments.

Squids
The mysterious polka-dotted blob in a photo taken on Shackleford Banks, a barrier island in Cape Lookout National Seashore in North Carolina, on Dec. 31, 2020.

Bizarre, polka-dotted blob washes ashore in North Carolina

By Laura Geggel published

A weird polka-dotted blob that washed ashore in North Carolina has finally been identified.

Squids
Emperor Dumbo octopus

All hail 'Emperor Dumbo,' the newest species of deep-dwelling octopus

By Cameron Duke published

A new species of Dumbo octopus, nicknamed the Emperor Dumbo, has been dredged up from the deep sea.

Octopuses
Eight long elegant legs unfurl as the squid inspects the e-jelly in the Gulf of Mexico.

How scientists caught footage of 'the kraken' after centuries of searching

By Brandon Specktor published

A new study looks at how scientists captured the world's first (and second) recordings of a giant squid in its natural habitat.

Squids
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