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The Ocean Blog

Bull sharks cut a threatening figure with the largest recorded bull shark reaching 11.5 feet and 500 pounds. They prey on dolphins, birds, turtles, bony fish, and other species of shark. Catching...
The sargassum frogfish Histrio histrio (Antennariidae) is a small but voracious predator - it can ingest animals up to it’s own size! The fins of the frogfish are perfect for creeping around in the...
What does a bioluminescent creature that lives more than two miles below the surface of the ocean and a glow stick have in common? More than you think. In a unique spin on an art technique called "...
What makes a top predator? Razor-sharp teeth? Speed? Strength? Size? Who is the most fearsome hunter? It depends on where and when you look.
Like octopods and cuttlefishes, giant squid have eight arms. But they use their two much longer feeding tentacles to seize prey. The tentacles have powerful suckers at the ends. More about the giant...
A giant squid engages in a struggle for survival with a sperm whale. Giant squid beaks and other undigested pieces of giant squid have been found in the stomachs of sperm whales . More about the...
A great white shark ( Carcharodon carcharias ) emerges from the water's surface, gaping at the photographer. Gaping is a way sharks communicate with each other, and maybe even try and communicate...
The blue-spotted stingray ( Taeniura lymma ) doesn’t like to be covered in sand like other species of stingray do. Instead, it prefers to show off its beautiful blue spots and, to stay up to the best...
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...
"Harlequin shrimp normally live in pairs and their main diet is starfish... It takes a good eye and patience to find this beautiful shrimp, which looks like candy.” -- Nature's Best photographer,...
Great white sharks ( Carcharodon carcharias ) are marvels of evolution, with highly-evolved senses keeping them among the ocean’s top predators. However, they are threatened with extinction and...
This jelly’s red color provides camouflage in the deep ocean. Red light rarely reaches those depths, and most deep-sea animals have lost the ability to see red. The long, complex tentacles of this...
This tiny, shrimplike creature is no more than 2.5 centimeters (1 inch) long, but it’s as ferocious as a shark. Its giant eyes spot prey. Huge claws grab the prey, and a tiny mouth rips it to shreds...
An adult giant squid struggles for survival in an encounter with a sperm whale - its only known predator. The whale will probably overpower and eat the squid. More about the giant squid can be found...
These southern elephant seals ( Mirounga leonina ) may look like beach bums, but when they are in the water hunting, they are anything but. Satellite tracking by tagging the animals has found that,...
“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...
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...
Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and a variety of techniques to capture their prey. See how a different predator - the great white shark - finds its prey in...
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