Topic: coral

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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...

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...

Why is biodiversity so important? – TED Ed

Biodiversity, short for biological diversity, is the term we use for the variety of animals, plants, fungi, bacteria, and other intertwined life forms within any ecosystem... "from towering redwood trees to tiny, sing...

…meanwhile…: Marine life in high magnification time lapse

Look very, very closely at Protoreaster linckii, Scolymia, Fungia, Trachyphyllia, Symphyllia, Euphyllia divisa wilde, a mix of Zoas and Alien eye zoas, and Tridacna maxima in this 2K and 5K mix of intense time lapse f...

The Amazing Life of Sand – Deep Look

There’s a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers. From mountain boul...

Pygmy Seahorses: Masters of vibrantly-colored coral camouflage

The vibrant colors of thumbnail-sized Pygmy Seahorses have always been aligned with the brilliant oranges or purples of the Gorgonian sea fan corals that they're found camouflaged with, but until biologists at San Fra...

Sea cucumbers are underwater vacuum cleaners

Join biologist Professor Ove Hoegh-Guldberg on the ocean sandy floor of Australia's Great Barrier Reef to witness an incredibly important ecological process: sea cucumbers pooping. Why is this so important? When se...

Lost at sea: Researching the impact of sunken shipping containers

Thousands of shipping containers are lost from cargo ships every year, eventually falling to the ocean floor and disturbing the deep-sea ecosystems where they land. In February 2004, a container was discovered within ...

Slow Life: Incredible macro video of fluorescing corals & sponges

If you’ve seen how underwater time-lapse can show the secret life of a coral reef on this site, then you already know that brilliantly fluorescing corals and sponges have fascinating, uns...

Underwater time lapse can show the secret life of a coral reef

For the last five years, Dr. Pim Bongaerts of University of Queensland’s Global Change Institute has been documenting the lives of corals through time lapse photography. It all happens t...

The shark that walks: The bamboo shark or longtail carpet shark

Hemiscyllium halmahera, a newly-found species of bamboo shark or longtail carpet shark, has a rather unusual way of getting around — perhaps not unusual for land animals like us, but definitely unusu...

Wild Oceans: Coral Reef In Technicolor

Spend three minutes underwater with the abundant marine life of South Africa's coral reefs. Patterned moray eels, banded coral shrimp, the orange rock cod, the spotted yellow boxfish, and more are featured in episod...

The dazzling fluorescent colors of corals under actinic lights

The kind of light that we see things in changes how we see those things. This reef tank is shot under actinic light, which will not only facilitate photosynthesis or stimulate light sensitive species, but also changes...

The Catlin Seaview Survey: “Street View” for the Great Barrier Reef

Being hailed as Google Street View for the Great Barrier Reef, the Catlin Seaview Survey will begin a comprehensive study of the natural world wonder in September of 2012. Using a special “squidlike” came...

BBC Fragile Paradise: Coral Gardening

A 2009 pilot project in Fiji, Coral Gardening is a process of transplanting and growing coral in ways that help make damaged coral reefs healthy again. This clip is from the BBC’s Fragil...

BBC Oceans: Underwater fluorescence

Philippe Cousteau and the team dive in the Red Sea, one of the warmest seas in the world. Despite the warm temperatures, coral reefs flourish with their flourescent pigmentation putting on an amazing show of technicol...