Topic: marine biology

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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...

The world’s largest collection of whale bones

The world's largest collection of whale bones—sperm whale, gray whale, massive blue whales—and a bunch of ancient whale fossils from extinct species are stored in this warehouse in Maryland. It's a whale bone warehous...

How dead is the Great Barrier Reef?

Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the reefs, the past ...

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 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...

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...

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...

Science and survival on Continent 7: Antarctica

At -100 degrees F, you'll survive for less than 3 minutes and burn 5,000 calories a day, and boiling water can turn to snow instantly. And, at less than 1% humidity, your body will lose water just breathing. This is S...

The Snail-Smashing, Fish-Spearing, Eye-Popping Mantis Shrimp

The mantis shrimp is a fascinating creature. One kind impales prey with a spear-like appendage and another smashes prey with a built-in club — the fastest attack in the animal kingdom. "At 30 times faster than the bli...

The seafloor microscope that can reveal corals’ secrets

See the seafloor like you've never seen it before, thanks to this microscope, the first to show 1.6 millimeter-sized coral polyps up close in the wild. An effort to better understand these lifeforms in the face of cor...

I, Octopus – Science Friday

With thousands of chemically-sensitive suckers, color-changing skin, and a brain that literally stretches when they eat, octopuses seem like aliens living in our oceans. Understanding their physical adaptations and ho...

Turning Oil Rigs Into Reefs

If an oil rig is done producing oil, should the oil company return the ecosystem to its natural state by removing the rig? What if the 40 year old rig's underwater structure is covered with thriving marine life? T...

Live Stream: NOAA’s Okeanos Explorer in the Mariana Trench

While exploring the Mariana Trench -- the deepest part of our planet's oceans -- on April 24, 2016, researchers aboard the National Oceanic and Atmospheric Administration (NOAA)'s Okeanos Explorer saw a bioluminescent...

Why Do Deep Sea Creatures Look So Scary?

Why Do Deep Sea Creatures Look So Scary? Anna Rothschild of Gross Science explains how different it is at the bottom of the sea: Food can be scarce, there's tremendous ocean pressure, and it's dark. These environmenta...

Discovered! A “glowing” biofluorescent hawksbill sea turtle

You're on a night dive in the Solomon Islands to film biofluorescence in small sharks and corals. Your underwater camera system includes a blue light and a yellow filter that blocks out blue light, allowing you to see...

How Do Sharks and Rays Use Electricity to Find Hidden Prey?

Imagine if you had six traditional senses instead of five: Sound, sight, touch, smell, taste and... What might you pick? Echolocation? Magnetoreception? How about electroreception? Sharks, rays, skates and sawfish...

How do jellyfish sting?

Have you ever been stung by a jellyfish? From the huge Lion's mane jellyfish to tiny jellyfish larvae, jellies (which aren't actually fish) can accidentally sting ocean swimmers with their built-in defensive mechanism...

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