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Jellyfish

About 50 organisms have been named for David Attenborough or elements of his legacy, from an orchid to a marine worm to one of the earliest known predators.

David Attenborough Has Inspired Countless Scientists. To Mark His 100th Birthday, Here Are Ten Living Things They’ve Named After Him

Researchers around the planet grew up watching documentaries hosted by the English broadcaster and naturalist, which sparked their love of the natural world. Now, their discoveries become tributes to his legacy

A giant phantom jelly documented by a recent deep-sea expedition

See a Rare, Bus-Size Giant Phantom Jelly Wade Through Ocean Waters Off the Coast of Argentina

A recent deep-sea expedition along the country’s entire length documented the jellyfish, along with a surprising number of other species

A polar bear cub walks along the ice in Svalbard, Norway.

See 24 Astounding Images From the Wildlife Photographer of the Year Contest—and Vote for Your Favorite

The public will choose the winner of the People’s Choice award in a vote that runs from February 4 to March 18

Jace Tunnell, director of community engagement at Texas A&M University-Corpus Christi's Harte Research Institute, spotted more than ten pink meanies while wandering the beach in late September.

Rare ‘Pink Meanie’ Jellyfish Are Blooming Off the Coast of Texas

The large, vibrantly hued creatures can weigh up to 50 pounds and have tentacles up to 70 feet long

Also known as by-the-wind sailors, the free-floating Velella velella are coating California beaches once again.

Odd-Looking Blue Creatures Are Washing Up in Large Groups on California’s Beaches Once Again

Strandings of these jellyfish-like animals, sometimes called “by-the-wind sailors,” usually mean spring is coming

The life spans of these animals amaze scientists.

From Giant Tortoises to Immortal Jellyfish, These Impressive Animals Are Eight of the Longest-Living Species on Earth

Aging gracefully comes naturally to these creatures, which can live for hundreds, and sometimes even thousands, of years

Two comb jellies have fused together and are being probed by a pipette.

These Frankenstein-Like Sea Creatures Can Actually Fuse Their Bodies Together

Two comb jellies can merge their digestive and nervous systems and even sync their bodily functions, according to new research. The discovery could have implications for human medicine

Jellyfish are among the planet’s simplest creatures, made up of about 95 percent water and lacking brains, spines, blood or hearts.

Smithsonian Photo Contest Galleries

Delight in These 15 Photos That Capture the Exotic Undersea Lives of Jellyfish

Despite their often dangerous stings, these creatures create serene scenes as they float through the deep sea

Box jellyfish are about the size of a grape.

Brainless Jellyfish Are Capable of Learning, Study Suggests

Scientists provide evidence that tiny Caribbean box jellyfish—which lack a central nervous system—can learn to navigate through mangrove roots

An artistic reconstruction shows a group of Burgessomedusa phasmiformis swimming in the Cambrian sea.

These 508-Million-Year-Old Fossils May Be Earth’s Oldest Swimming Jellyfish

Researchers found the rare remains in Canada

Australian spotted jellyfish typically reach up to 18 to 20 inches in diameter.

Invasive Australian Spotted Jellyfish Washes Up on Texas Beach

The prolific jellies can form huge swarms and clear zooplankton from wide areas of water, sending ripple effects up the food chain

Innovators may want to create soft robots that more accurately replicate the dynamics of an elephant’s trunk.

Seven Scientific Discoveries From 2022 That May Lead to New Inventions

Nature is a breeding ground for innovative solutions to everything from aging to plastic pollution

Immortal jellyfish (Turritopsis dohrnii) are smaller than the nail on your pinky finger.

‘Immortal Jellyfish’ Could Spur Discoveries About Human Aging

After reaching maturity, these deep-sea creatures can revert to a juvenile stage and repeat their life cycle

A flashy jewel bug butt. 

Science Twitter’s ‘InverteButt Week’ Puts Backsides on Display

The behinds of spineless organisms are diverse among species and serve a multitude of purposes beyond expelling waste

Researchers attached green LED lights along the gillnet float line to keep unwanted marine animals from getting stuck.

Innovation for Good

Lit-Up Fishing Nets Dramatically Reduce Catch of Unwanted Sharks, Rays and Squid

Decorated nets entrapped fewer undesirable animals without significantly impacting the amount of target fish caught

Scientists built this synthetic fish using paper, plastic, gelatin and human heart cells.

Scientists Build an Artificial Fish That Swims on Its Own Using Human Heart Cells

The experiment could advance pacemaker technology and bring science closer to developing artificial hearts for people

In the video, the giant jellyfish's large bell is seen pulsing and glowing a faint orange as it floats in the dark abyss.

Watch This Giant Phantom Jellyfish With 33-Foot-Long Arms Float Through the Deep Ocean

The footage was captured by a remote-operated vehicle about 3,200 feet below the surface in Monterey Bay, California

Hammerhead sharks have are considered critically endangered.

More Than a Third of Shark Species Are Now Threatened With Extinction

Overfishing, habitat loss and climate change are behind the ‘desperate’ decline

A perfect storm of high demand clashing with supply chain issues, worker shortage and delivery problems is forcing restaurant owners to raise seafood prices on their menus.

Seafood Prices Soar Amid Supply Chain Issues and Worker Shortage

As demand for fish rises, restaurants are slammed with employment losses, port congestion, lack of product, rising costs and shipment snags

This jellyfish, Scolionema suvaense, was raised in the National Museum of Natural History’s Invertebrate Zoology “AquaRoom.” Here, the species is sinking through food with its tentacles spread wide.

Smithsonian Voices

Live Jellyfish Make a Splash in Marine Education

Smithsonian’s AquaRoom helps scientists learn more about these animals’ lives and educate future generations about their marine neighbors

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