urchin

And when the fish were all gone, all anyone ever saw underwater was just acres and acres of sea urchins.

Marine invertebrates, sea urchins use their spines to move along the seafloor, and crabs are known to be their natural predators.

The bright red color of a fire urchin warns predators that its spines are poisonous. Sea otters are the major predators of sea urchins.

These street urchins soon formed into gangs and by the end of the 19th Century Hell's Kitchen became the crime capital of the U. S.

He defected, he wrote, by offering to source sea urchins from Japan, from where he never returned.

No corals, no sea urchins and no who-knows-what-else would be bad news indeed for the sea.

If you dressed one of those urchins in nice clothes and taught him good manners, there wouldn't be a whit of difference!

for these spines perform the office of hair, and not of feet as is the case with similar parts of sea-urchins.

On the sea bed at depths of up to 3, 000ft are vast coral reefs, forests of willowy feather-stars and russet-red sea urchins.

He allowed these "enucleated" eggs to be fertilized by sperm from sea urchins of the genus Echinus.

Dalian sea urchins are unique to the North Hammer, which grows in deep water, shallow color, succulent coarse, has a more rich aroma.

The spiky body of a sea urchin acts as one big, spine-covered eye, confirms a new study that tested how well urchins can see.

All the sea urchins seemed oblivious to the smaller disks, Johnsen's team found.

A nontoxic dye highlights water currents surrounding sea urchins off Vancouver Island, British Columbia.

For instance, it appears the ancestor of brainless starfish and sea urchins had a brain.

Remains of more modern corals, diverse pelecypods, sea urchins and ammonoids characterize the marine strata of the Mesozoic ERA.

Carpenter says he looks forward to the day when both urchins and parrotfish share the task of clearing way for baby coral.

Though they are commonly called starfish, these animals are not fish at all. They are echinoderms, closely related to sea urchins.

Green sea urchins, chitons, and sea stars cluster in a tidal pool off Alaska's Aleutian Islands.

Sea urchins brandish their spines on the seafloor near the Channel Islands.

Some other examples of deep sea marine life include Sea squirt, sea stars, sea slugs, corals, clams, sponges and sea urchins.

Sea Urchins Animals of all shapes and sizes have made the trip into space including a group of particularly adventurous sea urchins.

Bottom-dwelling creatures like mussels, brittle stars and sea urchins have not developed any defenses.

Too many sea urchins can virtually clear- cut the underwater kelp forest where fish live and hide .

Later experiments with other species could reveal the role spine density plays in how well urchins can see.

Without sea otters keeping sea urchins in check, their population has exploded.

The same sea urchins , sea urchins but the two places has a qualitatively different.

One of the few animals that use tools, sea otters use rocks to smash open prey such as sea urchins or abalone.

The sea off Dalian abounds with quality seafood, such as abalones , sea cucumbers, scallops, prawns, crabs, and sea urchins.

Now scientists are solving the mystery of how urchins keep their teeth so keen, and the research could lead to self-sharpening tools.

Port Jackson sharks can grow up to 1. 6 meters long (5. 5 ft) and typically feed on crustaceans, sea urchins, and fish.

Street urchins would continually thrust their hands into your face, shouting 'Cadeau!

Shrimp may soon be given disease--fighting genes taken from sea urchins.

Reaching 5 feet (1. 5 meters) long, wolffish have conspicuous dentition suited to a diet of hard-shelled mollusks, crabs, and sea urchins.

Popularlyknown as starfish, sea stars are actually echinoderms, closely relatedto sea urchins and sand dollars.

Sea urchins are a constant annoyance.

The most acceptable external tag is the nylon screw tag, which is suitable for studying the behavior of sea urchins.

He makes his living diving for urchins and fishing for lobster.

flattened disk like sea urchins that live on sandy bottoms.

The study therefore also provides insights into the vital role of sea urchins in many marine ecosystems.

It is for this reason that many children become street urchins.

He earns a living diving for urchins and fishing for lobster.

The biggest losers included clams and pencil urchins; their exoskeletons dissolved at the highest CO2 levels.

The other day, I'd overheard 2 people boasting about the numerous urchins they ate, collected from Tai Long Bay area years ago.

The urchins eat the kelp, the sunstar eats the urchins.

Fish pick at the urchins, which feed on bits of algae.

But the urchins have enemies, too, and the sunstar is a deadly one.

He compares sea urchins to rabbits and other grazers found on land.

One reason is their diet: They eat only starfish (and sometimes sea urchins), and they reportedly prefer to eat them alive.

look at those sea urchins and sea-horses, Aren't they lovely?

Sea urchins have a powerful appetite for kelp.

And that's because the urchins eat kelp.

There are some 700 species of sea urchins worldwide.

with the urchins gone , it was up to another grazer , the colourful parrotfish , to keep the algae under control

Heritability of juvenile growth for the sea urchins Strongylocentrotus intermedius

Reproductive impairment of sea urchins upon chronic exposure to cadmium. Part I: Effects on gamete quality

Feather stars, starfish, brittle stars, sea urchins and sea cucumbers

Antitumor Activities of Extractive from Sea Urchins In Vitro

A Review of the Tag Methods Used in the Study of Sea Urchins

Food poisoning cases may link to contaminated raw sea urchins

Sea urchins and sea stars