Sentences with phrase «sea tube worms»

Some deep - sea tube worms get long in the tooth... er, tube.

Not exact matches

Once in northern seas, the whales plow the bottom mud and strain it through flexible baleen plates for tiny, shrimplike creatures and tube worms, fattening up each summer for the return journey south.

Solitary and highly mobile, it doesn't appear to have much in common with its close cousin the pterobranch, a much smaller marine worm that spends its life in stationary colonies, anchored to the sea floor by rigid tubes.

Two years ago, in a kind of crater off the Democratic Republic of the Congo, 10,000 feet down, a team led by Myriam Sibuet of the French Research Institute for Ocean Exploitation, discovered a spectacular cold seep with a vast field of clams and mussels, blue shrimp, purple sea cucumbers, and six - foot - long tube worms growing in bushes next to mounds of gas hydrate.

These include sea stars, sea urchins, calcifying algae and tube - building worms.

Normally at sea, the worms come out of the tubes if they are killed by low pressure.

Brightly colored 7 - foot tube worms thrive near deep - sea hydrothermal vents and derive their energy from chemosynthetic bacteria.

For years, scientists have been unable to reconcile the nutritional requirements of crustaceans, sea cucumbers, snails, and tube worms nearly a mile beneath the surface with the amount of nourishment — microscopic organisms and other organic matter — that rains down from above.

They will handle rare rock samples and examine deep - sea creatures pulled up from the depths, including crustaceans, bizarre tube worms and flocculent orange and yellow microbial mats.

Corals, sea squirts, sponges and tube worms all begin life as larvae floating in the water, and other research teams have shown that they too respond to compounds released by bacteria as signals to attach themselves to rocks or other surfaces and transition to a new life form.

Retailers will want to stock varieties of sponges, zoanthids, anemones, tube anemones, sea slugs, nudibranchs, Tridacna clams, thorny oysters, flame scallops, feather - duster worms, lobsters, sea urchins, sea cucumbers and tunicates.

Consider stocking at least a few representatives from each of the following groups: Sponges — many types, shapes, sizes and colors Zoanthids — colonial anemones (some can be harmful to true corals) Anemones — short tentacle, long tentacle and carpet Corallimorphs — mushroom anemones, Ricordea, Discosoma and elephant - ear Cerianthids — tube - dwelling anemones Mollusks (with and without shell)-- sea slugs, sea hares, nudibranches, turbo snails and many types of living shells and clams Cephalopods — octopus and cuttlefish Worms — feather dusters Arthropods — crabs, hermit crabs, shrimp and lobsters Echinoderms — sea urchins, sea cucumbers, sea stars (starfish), serpent stars and brittle stars.

There is a large variety such marine vegetation, particularly sea weed, and numerous organisms include abalone, anemones, brown seaweed, chitons, crabs, green algae, hydroids, isopods, limpets, mussels, nudibranchs, sculpin, sea cucumber, sea lettuce, sea palms, sea stars, sea urchins, shrimp, snails, sponges, surf grass, tube worms, and whelks.