Today's Catch

The long barbel on the chin of this dragonfish has a glowing tip that may attract prey.

Scaly Dragonfish

The long barbel on the chin of this dragonfish ( Stomias boa ) has a glowing tip that may attract prey. With its large mouth and sharp, curved teeth, the fish makes quick work of any prey that venture too close. Scaly dragonfish live at depths of...
Offshore Peru, during the Eocene (~56-34 million years ago), showing two archaeocetes (ancient whales): Ocucajea picklingi and Supayacetus muizon.

Eocene Whales and Penguins Off the Coast of Peru

Offshore Peru, during the Eocene (~56-34 million years ago), showing three archaeocetes (ancient whales), along with a previously described fossil penguin. Top to bottom: Perudyptes devriesi , unnamed protocetid, Ocucajea picklingi , and Supayacetus...
A brightly colored parrotfish swims over a field of seagrass.

Parrots of the Sea

Parrotfish like this ‘rainbow parrotfish” ( Scarus guacamaia ) play a critical ecological role in coral reef ecosystems. Herbivores, parrotfish feed on macroalgae that can otherwise smother corals directly or reduce coral growth and fish survival....
A white crab hides among coral polyps of the same color.

White Xenia Crab from Indonesia

“Lembeh Strait is a fantastic place to find species that have evolved to resemble other animals or plants to survive. Because of the lens I was using, I had to get really close to this crab. As I moved in, it retreated into the xenia coral polyps....

The Trouvadore: A Story of Deliverance

Join marine archeologists as they trace the history of the Trouvadore , a slave ship bound for Cuba that wrecked in the Turks and Caicos Islands in 1841, and the ship’s passengers unusual path to freedom.
Like a cake, the ocean has different layers—each with its own characteristics.

Ocean Layers

Like a cake, the ocean has different layers—each with its own characteristics. (No icing, though.) The surface layer receives the most sunlight, allowing photosynthetic organisms like phytoplankton to convert sunlight to energy. The twilight zone...
A red deep-sea fish specimen.

A Fish that Looks Like a Whale

This deep sea creature, the whalefish ( Cetomimidae ), has a whale-like body, a gaping mouth, no fins or scales and a deep lateral line, which detects vibrations in the water. The first specimens were discovered by two Smithsonian scientists in fish...

Investigating Nutrient Pollution's Impact on Mangroves

At Carrie Bow Cay in Belize , Dr. Candy Feller explains her research on the effect of excess nutrients on mangrove swamps. Feller runs the Animal-Plant Interaction Lab at the Smithsonian Environmental Research Center. See a photo of a tree-climbing...

Fishing with Dynamite

Blast fishing, when dynamite or other explosives are used to stun or kill fish, is a practice used in many villages and isolated regions of the world. Hundreds of fish can be seen strewn across the reef, left as bycatch, such as these tropical fish...
Photograph of a green sea slug, with white polka-dot-like markings and white-edged ruffly structures along the length of its back.

Lettuce Sea Slug

The lettuce sea slug ( Elysia crispata ) has enlarged fleshy appendages that are folded over one another, with colors ranging from blue to green, with purple and red lining. The green coloring is what gives this mollusk it's common name, resembling...

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