Today's Catch

Magellanic penguins on the beach in Punta Tombo, Argentina

Punta Tombo Penguins

Every breeding season, some 400,000 Magellanic penguins ( Spheniscus magellanicus ) come to Punta Tombo, Argentina to nest on the shore. They typically lay two eggs in a burrow or under a bush, and the parents take turns watching the egg or chick...
The velvet crab's aggressive nature has earned it the nickname devil's crab.

The Velvet Swimming Crab

Necora puber , also known as the velvet swimming crab, may not be as soft as the name implies. The crab's red eyes and aggressive nature have resulted in a second nickname, devil's crab . As if it weren’t intimidating enough already, Necora puber is...
This aptly named fish has two long fangs.

Fangtooth Fish

This aptly named fish ( Anoplogaster cornuta ) has long, menacing fangs, but the adult fish is small, reaching only about 6 inches (17 cm) in length. It's teeth are the largest in the ocean in proportion to body size, and are so long that the...

The Weird, Wonderful World of Bioluminescence

“It’s a little appreciated fact that most of the animals in our ocean make light,” says Edie Widder, biologist and deep sea explorer at ORCA. In this TED talk, she shows incredible film and photos she took of animals in the open ocean making their...
A right whale breaches, lifting its huge body out of the water.

North Atlantic Right Whale Breaching

The North Atlantic right whale is one of the world's largest animals, but scientists estimate that fewer than 450 remain. In the past, they were hunted for their oil and baleen; now they get tangled up in fishing lines, which weaken and eventually...
A comparison of an undisturbed Oculina coral reef and one that has been devastated by trawling.

Undisturbed vs. Trawled Reef

The Oculina deep-sea coral reef at top has not been disturbed by humans—but trawling has devastated the one at bottom. When fishermen trawl, they drag a net along the seafloor, destroying everything in its path. Only about 10 percent of Oculina...
Inside the remotely operated vehicle (ROV) Jason.

Views from the ROV Jason

Inside the control van for the remotely operated vehicle (ROV) Jason , Dr. Brendan Roark and colleagues watch the ROV collecting deep-sea coral specimens. No scientists dive down with their ROV, so must do all of their observing and collecting using...
What is coral? The answer is coral is an animal. This cutaway diagram of a coral polyp shows the location of its photosynthetic algae, or zooxanthellae, which coral needs to survive.

What Is Coral? A Coral Polyp and Zooxanthellae

What are corals? Corals themselves are animals. But tropical reef-building corals have tiny plant-like organisms living in their tissue. The corals couldn’t survive without these microscopic algae–called zooxanthellae (zo-zan-THELL-ee). This cutaway...
A juvenile Kemp's ridley sea turtle emerges from the nest

Kemp's Ridley Hatchling

Kemp's ridley sea turtles ( Lepidochelys kempii ) often emerge from their nests during the day, which is a rare (and dangerous) thing for sea turtle hatchlings! They are the most critically endangered sea turtle species in the world, and have...
A bloom of moon jellies.

A Bloom of Moon Jellies

In recent years, blooms of jellyfish, such as these moon jellies ( Aurita aurita ) in the Chesapeake Bay, have become more common around the world for a number of different reasons . One result of these blooms is that there is less food for fish and...

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