Feeding

A scalloped hammerhead (Sphyrna lewini) at Isla del Coco, Costa Rica.

Do Sharks Smell in Stereo?

A scalloped hammerhead shark at Isla del Coco, Costa Rica. Credit: © Terry Goss 2008/Marine Photobank Animals, on land and in the ocean, live in a 3-D world, and they depend on their sense...
A newly hatched leatherback turtle moves in the sand.

Habitat for Leatherback Turtles

Endangered Pacific leatherback sea turtles now have nearly 42,000 square miles of Pacific Ocean to call their own. Thanks to a decision in January 2012 by the National Marine Fisheries Service, these magnificent reptiles...
This shrimp is colored to fit in - probably why they are common members of the seaweed community.

A World Adrift: Life in the Sargassum Slideshow

Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns from the Smithsonian field site in Belize. Together with Dan Barshis of Stanford University, Seabird reports on the seemingly invisible inhabitants of drifting sargassum seaweeds...

A Ctenophore Feeds

The comb jelly (ctenophore) Thalassocalyce inconstans is found in shallow to deep water in the Atlantic Ocean, Mediterranean Sea, and sometimes in warmer Pacific Ocean waters off the coast of California -- although this...

Acrobatic Blue Whales Do the Twist While Feeding

Ari Friedlaender, a research scientist at the Duke University Marine Lab, tags a blue whale. Credit: Jeremy Goldbogen I have a vivid childhood memory of sitting under the Blue Whale model hanging in the...
Tiny "flakes" of marine snow.

Marine Snow: A Staple of the Deep

Snow on land can make some people grumpy, but the magical-looking flakes and a beautiful layer on the trees can turn even disenchanted adults into gleeful children again. But what is the ocean equivalent...

Humpback Whales in Antarctica: What Are the Whales Doing?

A humpback whale breaching in Antarctic waters. Credit: Ari Friedlaender Humpback whales ( Megaptera novaengliae ) are the most abundant baleen whale in the nearshore waters around the Antarctic Peninsula. They, along with millions...
Chrysaora melanaster is a jellyfish found in the Arctic.

Jellyfish and Comb Jellies

Jellyfish and comb jellies are gelatinous animals that drift through the ocean's water column around the world. They are both beautiful—the jellyfish with their pulsating bells and long, trailing tentacles, and the comb jellies...
Emperor Penguin Chick with Mother

Happy World Penguin Day!

Credit: Wikimedia User "Mtpaley" Even if you aren't a hardcore birder, chances are you have some hidden love for penguins. These flightless birds have captured our hearts through countless movies, beautiful images and their...

Laysan Albatrosses’ Plastic Problem

Laysan albatrosses ( Phoebastria immutabilis ) are incredible birds. They have a wingspan of more than 6 feet, soaring vast distances without flapping their wings. They can go years without even touching land ,...
Zombie worm eats whale bones in Japan's Sagami Bay

Zombie Worms Crave Bone

Credit: Yoshihiro Fujiwara/JAMSTEC Zombie worms don’t crave brains: instead they seek bones. The 1 to 3 inch (2 to 7 centimeter) Osedax worms were first discovered living in the bones of a rotting gray...
A puffin with a mouthful of fish.

Watching for Fish in the Puffin's Beak

Atlantic puffins have spiny tongues that, pressed against the roof of their mouths, help to hold ten or more small forage fish at once without losing any along the way. Credit: Steve Garvie, Flickr...
School of blue rockfish in a kelp bed.

Stinkin' Seaweed Makes Tasty Food for Coastal Animals

School of Blue Rockfish ( Sebastes mystinus ) in a kelp bed consisting mostly of the bull kelp ( Nereocystis luetkeana ). Credit: Steve Lonhart / NOAA MBNMS Most people try to avoid rotting...

Anemone Feeding Time

Anemones are known for serving as homes for Nemo and countless other small fish and invertebrates. But these Cnidarians (in the same phylum as jellyfish and same class as corals ) have a long...
Tiny jellies in a petri dish.

Fishing for Plastic: Science in the Great Pacific Garbage Patch

By now, you have probably heard of The Great Pacific Garbage Patch . The name conjures the image of a floating island made of familiar plastic trash such as soda bottles and plastic bags,...

Why the Littlest Fish Matter a Whole Lot

A tornado of sardines swirls around diver and photographer Erwin Poliakoff in the Philippines. Credit: Erwin Poliakoff Top predators along the California coast are having a rough year. Recently starving sea lions have showed...

Bite Size: Bull Shark Predation of Tarpon

Follow a journey with satellite tags placed on bull sharks and tarpon. Both of these large predatory fish are found in coastal in-shore ecosystems and the two species have similar diets. If given the...

Life After Whale (On Whale Falls)

When a whale dies, the story has just begun. The massive carcass sinks to the seafloor, where it provides food for a deep sea ecosystem on the otherwise mostly barren seafloor. There are several...