Topic: underwater

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Swim With Manta Rays, the Ocean’s Peaceful Giants

For as long as she can remember, Dr. Andrea Marshall wanted to be a marine biologist. Now, she’s living out her dream with one of the ocean’s most amazing creatures. That is, Marshall studies and helps protect giant m...

The Squid and the Whale: Evidence for an Epic Encounter

One of the most famous dioramas in the American Museum of Natural History depicts a battle between two gigantic animals: the sperm whale and giant squid. But unlike most dioramas in the Museum’s halls, this scene has ...

Why Not Now? Vivian Stancil

When Vivian Stancil was 49 years old, her doctor told her that she needed to immediately improve her health. Despite being afraid of the water—she's legally blind and had never been in a pool before—she was determined...

Pharaoh cuttlefish expertly mimic hermit crabs

Camouflage is common in cephalopods like squid, octopuses, and cuttlefish, but these pharaoh cuttlefish, hatched in a lab for a University of Ryukyus study led by Kohei Okamoto, camouflage in a surprising way: They pr...

Dr. Sylvia Earle, world-renowned oceanographer and explorer

If there is unofficial royalty in the field of science, little doubt exists that 81-year-old oceanographer Dr. Sylvia Earle claims one of the highest ranks... Her stories sound like biology class fairy tales—she's liv...

A molting blue crayfish

The National Lobster Hatchery uploaded this incredible sped up footage of a molting cobalt blue crayfish (Procambarus alleni). Watch as it wriggles to free itself of its outer layer. From Reference.com: Crayfish m...

A blue whale lunges for krill

How can the largest creatures on the planet survive by almost exclusively eating some of the smallest creatures in the sea? In this video from Oregon State University, we get a very rare look at how blue whales eat ti...

‘Giant’ larvaceans filter the ocean with mucous webs

Using remotely operated vehicles (ROVs) and a new laser-and-camera system, researchers at the Monterey Bay Aquarium Research Institute (MBARI) have been able to study three Bathochordaeus species, transparent and rela...

How to wait for a very long time

"How to wait for a very long time is a short film about a fisherman who is obsessed with catching a certain fish. His whole life he tries to make a big haul, but just catches other fishes instead. Over time he gets fr...

Invisible Nature: The (Super Tiny) Glowing Squid

The Hawaiian bobtail squid (Euprymna scolopes) spends its days buried in sand and its nights stalking prey in the shallow waters off the coast of Hawaii. Just because the squid hunts at night, however, doesn’t mean th...

Seagrass: Life in the Underwater Meadows

You dive down into a undersea meadow. Surrounded by blades of seagrass up to a meter tall, you begin to notice the abundant life all around. Schools of baby fish hide within the grassy maze as emerald sea slugs graze ...

Troglobites: Strange Cave Specialists – Planet Earth

Troglobites are rare and specialized animals that only live in dark caves. In this clip from the BBC's Planet Earth: Caves, episode 4, we observe Thailand's cave angel fish, the Texas Blind Salamander, and the Belizea...

When Your Job Is Saving The Ocean | How She Works

On her dive days as a marine biologist for The Bay Foundation, Ariadne Reynolds is usually scuba diving in the Santa Monica Bay for three 1-1.5 hour stretches as she observes urchins and kelp growth, and measures ever...

Humphead parrotfish poop helps create new island beaches

How can a hungry school of fish help to create a thriving reef island? In this clip from the BBC's The Blue Planet, neon-colored Humphead Parrotfish crunch rocks and hard corals alike as they forage for coralline alga...

A night adventure to see Nicaragua’s sea turtles

Conservation educator Phil Torres traveled to Playa la Flor and the surrounding waters in Nicaragua to document how Paso Pacifico is working to protect the sea turtles. From SeeTurtles.org: Along Nicaragua's Pacif...

Under The Dock, a marine life series by Hakai Institute

Described as a fearsome predator on the British Columbia coast, sunflower sea stars "can grow to a diameter of one meter, and have a voracious appetite for all sorts of animals on the rocky reef." From Hakai Institute...

A Protula bispiralis (red fan worm) opening in real time

Set to the MIT Chamber Chorus performing O Fortuna from Carmina Burana, this is a Protula bispiralis or red fan worm opening in real time. The clip is via marine biologist Christopher Mah who suggests that "you will p...

Predators Attack Fish Bait Ball – Blue Planet

A bait ball of frenzied anchoveta swarm in their tightly packed sphere and tornado formations to better protect themselves against the larger bonito and yellow fin tuna that are swimming nearby. The predators are hung...

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