Smithsonian scientists

The elusive giant squid

Reflections on the Successful Search for the Giant Squid

This still of a giant squid is from the first video filmed of the species in its natural habitat. Credit: NHK/NEP/Discovery Channel I have been at the Smithsonian’s National Museum of Natural History since...
A ribbon worm curled up in a mud flat.

The Search for an Elusive Ribbon Worm

A Hubrechtia ribbon worm, found after a long day of searching in mud flats in Fort Pierce, Florida. Credit: Eduardo Zattara, Smithsonian Institution With 1,400 named species of ribbon worms inhabiting every ecosystem on...

Ocean Acidification Excites Boring Sponges

This orange boring sponge ( Cliona varians ) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute. Credit: Amber Stubler Boring sponges get a bad rap. Their own name betrays them, announcing to...
A blue crab on the Mid-Atlantic coast of the U.S.

A Bite of Bitter Crab

Credit: Brian Henderson, Flickr user stinkenroboter Hopefully you've never bitten into a delicious hunk of snow crab meat and instantly spit it out because instead of crab you tasted... aspirin?! If you have, it...

Ribbon Worm Redux

The ribbon worm seen here, Ramphogordius sanguineus , is known to regenerate after losing a part of its body. Credit: Eduardo Zattara Even on an early winter morning, it was sunny and warm in...
A decomposing sea star loses its grip on a rock.

Sickly Starfish: A Q&A with Dr. Chris Mah

A morning sun star ( Solaster dawsoni ) loses its grip on a rock surface as its body slowly decomposes from starfish wasting syndrome off the coast of Vancouver in September 2013. Credit: Jonathan...
A nudibranch showing a closeup of their fleshy, tentacle-like growths, called cerata.

How Sea Slugs Steal the Defenses of Their Prey

Many tentacle-like outgrowths, called cerata (singular: ceras), project off the back of this aeolid nudibranch. After the nudibranch eats the tentacles of a jellyfish, anemone, coral, or other stinging animal, the stolen stinging cells...
Fossil Whale Digsite at Cerro Ballena, Chile

The Whale Graveyard Whodunit

Chilean and Smithsonian paleontologists study several fossil whale skeletons at Cerro Ballena, next to the Pan-American Highway in Atacama Region, Chile, in 2011. Credit: Adam Metallo / Smithsonian Institution One of the ocean's tiniest...
A walrus sits on top of ice.

The Cultural Icescapes of the Arctic

The Inupiaq people of Alaska have more than 100 words for different kinds of sea ice, illustrated here. A female walrus and her calf ( isavgalik ) rest on ice ( nunavait ) in...

Where the Shark and the Snapper Roam

Grey reef sharks are among the most versatile and tough predators on a Pacific coral reef, but they are also among the most vulnerable species, as they are threatened by wasteful fishing practices like...
A diver collects water samples.

Ocean Sampling Day – Taking the Pulse of the World’s Oceans

Smithsonian scientist Chris Meyer is collecting water samples as part of the Pilot Ocean Sampling Day in 2013 on Moorea, French Polynesia. Credit: Gustav Paulay If you are a bird watcher you have probably...

From Despair to Repair

Sit down with two veteran marine scientists, Dr. Nancy Knowlton and Dr. Jeremy Jackson, who fell in love with each other and the reefs of the Caribbean 40 years ago. Those reefs are now...
This queen parrotfish scrapes algae from Caribbean reefs with its parrot-like beak.

From Despair to Repair: Protecting Parrotfish Can Help Bring Back Caribbean Coral Reefs

Sit down with two veteran marine scientists, Dr. Nancy Knowlton and Dr. Jeremy Jackson, who fell in love with each other and the reefs of the Caribbean 40 years ago. Those reefs are now...
Small red hyperiid.

The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea

Hyperiid amphipods are small crustaceans related to sand fleas and distantly related to shrimp. They range in size from very tiny to more than 7 inches long, and are found at all depths of...
A "reef hotel" made of PVS layers on the seafloor.

Worth the Investment: Ocean Real Estate Reveals Hidden Diversity

Nancy Knowlton, Smithsonian's Sant Chair for Marine Science, puts out an Autonomous Reef Monitoring Structure (ARMS) during a dive in the Red Sea. Credit: Michael Berumen Good real estate is hard to find. This...
A diver clears the bottom of a cargo ship of specimens.

Unearthing Information About Invasives From the Bottom of a Cargo Ship

Smithsonian Environmental Research Center (SERC) ecologist, Ian Davidson, is under the belly of a cargo ship collecting specimens. Credit: Laurie Penland, Smithsonian I am once again leaving my familiar world behind and descending into...
A 3-D reconstruction of the skull of a fin whale fetus.

Keeping An Ear Out For Whale Evolution

The yellow features in this 3-D reconstruction of a fin whale fetal skull represent the early developmental stages of ear bones, characteristics that are extremely rare, fragile and nearly impossible to study via traditional...

The Discovery of Two Extreme Sea Stars

Two new species of sea stars were discovered in the deep sea: Paulasterias tyleri (on the left) in a North Pacific hydrothermal vent community, and Paulasterias mcclaini (on the right) in the deep sea...