Topic: sea star

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1000m beneath the Antarctic ice, where no human has gone before

Travel to the depths of Antarctica, 1000 meters (3281 feet) beneath the ice in a state-of-the-art submersible: The Alucia's Deep Rover. In this BBC Earth clip, we travel with marine biologist Dr. Jon Copley into the A...

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...

Antarctica’s Ice Formations: Volcanic ice caves & undersea brinicles

The caves of Mount Erebus, Antarctica's only active volcano, hide fragile and sparkling secrets: spectacular ice stalagmites, stalactites, shards, and feather-like crystals that form from the volcanic steam and gases ...

Fish that walk – Tasmania’s Spotted Handfish

With pectoral fins that look like little feet, this "walking" Spotted Handfish was one of the first fish documented in Australian waters, and is not the only known handfish -- there are pink, red, and yellow species, ...

A Nine Armed Sea Star flips itself over

If you happen to spot a Nine Armed Sea Star under the sand, perhaps it’s kindest to not disturb it. But you know, since this one has already been disturbed, watch how it flips itself over f...

The largest sea star in the world: a sunflower sea star eating

What if you didn’t send food down to your stomach to digest it, but you sent your stomach up to your food instead? This is exactly what the sunflower seastar does. With 16 to 24 arms and...

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