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Recent Antarctic expeditions have documented climate-induced changes to emperor penguin habitats and impacts on how the penguins feed, breed, and raise their young.
Known to many simply as “shark girl,” Madison Stewart is an inspiring young woman with a passion to protect the creatures most people fear: sharks. S he’s been diving with sharks since the age of...
With gnarled teeth and a perpetual frown, the sea wolf is a creature out of our nightmares! But despite its fearsome look, it isn't a danger to humans, largely preying on whelks, crabs, and sea...
Animals, on land and in the ocean, live in a 3-D world, and they depend on their sense organs and brains to build the mental constructs that allow them to orient and navigate, which is crucial for...
These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor themselves in the sediment. They used their tentacles (shown here in pink) to filter food from the sea water. And...
As we dive deeper into winter in the northern hemisphere, the possibility of snow becomes an increasingly frequent topic of conversation. But did you know that the ocean gets a regular dose of ‘...
A diet of algae and seagrasses gives this turtle ( Chelonia mydas ) greenish colored fat—and its name. Weighing as much as 500 pounds, the threatened green sea turtle lives its life at sea, with only...
Not all sharks are a dull gray: the coral catshark ( Atelomycterus marmoratus ), for example, is vibrantly colored. These sharks, which reach more than 2 feet long, live among coral reefs, eating...
As it clings to a red sea fan, a feather star ( Cenometra bella ) gently waves its slender arms—filtering bits of food from the water. Also known as sea lilies, feather stars are related to sea stars...
A veined octopus ( Amphioctopus marginatus ) briefly leaves its hiding spot, a seafloor shell, to devour a crab.
"A whitemouth moray eel emerges from the reef following a coral bloom in Honaunau Bay, Hawaii," wrote Barry Fackler of his image , a winning selection in the Portraits of Planet Ocean Flickr contest...
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...
Imagine eating an entire fish bigger than you—bones and all! At only 25 cm long, the black swallower often eats fish much larger than itself with the help of an expanding stomach. Sometimes the meal...
A thresher shark’s long tail fin helps not only its swimming ability, but also its ability to hunt. It can use the fin to herd and trap schooling fish by swimming in increasingly smaller circles...
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, disposable...
A beroid ctenophore lunges toward prey with its mouth wide open. Beroid comb jellies don't have tentacles to catch prey: instead, they can open their mouths and snap them shut tight to trap prey...
Frogfish are skilled hunters and some species are capable of blending into local environments such as coral reefs . A frogfish can camouflage itself so well that prey fish will swim close by without...
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 adorable...
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