Today's Catch

Close-up photograph of a large red cuttlefish.

Australian Giant Cuttlefish

The largest of the cuttlefish species, Australian Giant Cuttlefish ( Sepia apama ) delight scientists each year as they gather in masses to spawn in northern Spencer Gulf, northwest of Adelaide in Australia. To learn about the giant squid, a...
An underwater photo of sharks

Blacktip Sharks by Enric Sala

Enric Sala has spent much of his career looking for the ocean's "time machines" -- areas rich in biodiversity and largely unaffected by humans. In this recorded webcast , Sala, a National Geographic Ocean Fellow, takes the audience to the ocean's...

Reef Sharks Passing Through

Large numbers of grey reef sharks ( Carcharhinus amblyrhynchos ) were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai . But most reefs don't have so many sharks. Read...
Deep-sea dragonfish from Australia

Dragonfish from Australia

Deep-sea species like this dragonfish ( Bathophilus indicus ) live in cold, dark waters and may go weeks or months between meals. When food is found, the fish uses its impressive teeth—including some on its tongue—to get a tight grip on its prey.
Longsnout Seahorse

Longsnout Seahorse

The longsnout seahorse ( Hippocampus reidi ) can be found near seagrasses, corals, sargassum and mangroves . These seahorses usually are between three to seven inches tall and could be threatened habitat destruction, bycatch and the collection and...
Male fiddler crabs, like this one collected on Moorea, wave their enlarged claw as way of signaling to other crabs, especially during mating season.

Fiddler Crab

Male fiddler crabs, like this one collected on Moorea, wave their enlarged claw as way of signaling to other crabs, especially during mating season. Learn more about the Island of Moorea in the Pacific Ocean, including its biodiversity and the...
Oikopleura gorskyi is a rare deep-water species of larvacean

Deep-Water Larvacean

Found in Arctic waters, this rare deep-water species of larvacean , Oikopleura gorskyi , eats by filtering particles from the seawater it drifts through. Larvaceans build 'houses' around themselves made of protein that helps them filter the water...

Clyde Roper On the Over-Sized Anatomy of the Giant Squid

Dr. Clyde Roper discusses the fascinating anatomy of the giant squid ( Architeuthis dux) in this excerpt of "Eyeball to Eyeball," an episode of Errol Morris' First Person television series. Watch Architeuthis and Eyeball to Eyeball , other excerpts...
Artist Joan Lederman glazes her work with deep ocean sediments.

Bowl Glazed with Deep Ocean Sediments

Massachusetts ceramics artist Joan Lederman glazes her work —including this bowl—with deep sea sediments. Some contain tiny single-celled organisms called foraminifera. Lederman has noticed that sediments with foraminifera often make branching...
An albatross caught on a fishing line.

Accidental Catch

A fishing line with bait on the hook intended for tuna and other big fish is also a tasty snack for other animals such as this albatross, which drowned after being accidentally caught on a longline near Brazil. And it's a big problem. A 2003 study...

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