Mollusks

Mollusks are members of the invertebrate phylum Mollusca and contain more than 100,000 species. Some mollusks have shells like clams and snails, while larger mollusks have no bones at all like the cuttlefish, squid and octopus.


Researchers discover site of 15 gloomy octopus, a species that has previously been known for being reclusive.

How giant squid process visual information has long been a mystery, but a new study finds their visual processing is surprisingly uncomplicated.

In the first-ever video of its kind, two male cuttlefish in the wild go head-to-head over a coveted mate.

Mining rare minerals from the breeding ground of these newly discovered creatures could endanger their habitat. But hey, then we get batteries.

When it comes to food, cuttlefish are pros at picking the more filling meal.

Despite its cartoonish visage, yes, this is a real animal. This recently spotted stubby squid was so charming he inspired poetry.

Scientists until recently believed Octopuses & Co. were colorblind. If that were the case, how could the animals create such vivid physical color displays?

The sea butterfly snail moves in Arctic waters in the same way as fruit flies through tropical air. This case of convergent evolution was uncovered by a new study.

Unless you've butchered an octopus, you might assume that it's as red-blooded as you are. And you'd be wrong. Why are octopuses the original blue bloods?

Imagine that someone is pursuing you down a dark alley. Do you run? Duck behind a trash bin? The mimic octopus doesn't sweat this kind of scenario: It just shape-shifts to disguise itself. You'll be surprised by the tricks it's got up its tentacles.

Giant squid are aggressive creatures that prey on almost anything that comes their way. How big do these monsters of the sea get, and could they really take down a watercraft?

Squid are actually mollusks is although they look much different from their relatives the gastropods (snails) is and bivalves (clams). Check out this image gallery to learn more interesting squid facts.

To elude predators, the octopus will change color in an instant and even alter its shape to look like other sea animals. Does its magic put the chameleon to shame?

Oysters can create pearls from a single grain of sand. How exactly does an oyster create a pearl, and what is the difference between a natural pearl and a cultured pearl?

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