Today's Catch

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...

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...
West Indian Manatee

West Indian Manatee Portrait

West Indian Manatees, Trichechus manatus , are found in warm, shallow coastal ecosystems along the southeastern North America and northeastern South America. They graze plants in mangrove ecosystems and seagrass beds , occasionally eating small fish...

Searching for Crustaceans in the Deep Sea

In this video Smithsonian research zoologist Dr. Martha Nizinski takes viewers with her as she searches for crustaceans in the deep sea . She's particularly interested in finding squat lobsters , which despite their name, are actually crabs. On this...
Colorful crustaceans from the Caribbean island of Guadeloupe.

Colorful Caribbean Crustaceans

Discovering new species is an exciting quest, right? Well, some parts are—but after you find a cool-looking organism that you think is a new species, there's a lot more to be done. You have to confirm that it's new, write a detailed description,...

Climate Change Effects on Glaciers and Ice Sheets

How will changes in temperature affect glaciers and ice sheets? Dr. Sarah Das from the Woods Hole Oceanographic Institution explores this phenomenon first hand in Greenland, where she studies how the melted ice travels through glaciers and out to...

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