sea 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.

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.

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.

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.

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 .

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.

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

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.

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.

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.

There are some 700 species of sea urchins worldwide.

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