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Topic: Jellyfish


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In the News (Sun 22 Nov 09)

  
  Jellyfish
There are five common types of jellyfish found in the Bay and its tributaries.
These jellyfish, the lion's mane, moon jellyfish, and sea nettle, all have tentacles loaded with stinging cells.
Jellyfish in Chesapeake Bay and Nearby Waters - by Dr. Jennifer Purcell, UMCES
www.chesapeakebay.net /jellyfish.htm   (0 words)

  
  NationMaster - Encyclopedia: Jellyfish   (Site not responding. Last check: )
The body of an adult jellyfish is composed of a bell-shaped, jelly producing substance enclosing its internal structure, from which the creature's tentacles are suspended.
Jellyfish also have ocelli that cannot form images, but are sensitive to light; the jellyfish can use these to determine up from down, basing its judgement on sunlight shining on the surface of the water.
Sliced and marinated jellyfish bells (often known as sesame jellyfish or jellyfish salad) is a common appetizer in Chinese cuisine.
www.nationmaster.com /encyclopedia/Jellyfish   (1262 words)

  
  Jellyfish - Wikipedia, the free encyclopedia
Jellyfish are marine invertebrates belonging to the Scyphozoan class, and in turn the phylum Cnidaria.
Jellyfish also have ocelli that cannot form images, but are sensitive to light; the jellyfish can use these to determine up from down, basing its judgement on sunlight shining on the surface of the water.
Sliced and marinated jellyfish bells (often known as sesame jellyfish or jellyfish salad) is a common appetizer in Chinese cuisine.
en.wikipedia.org /wiki/Jellyfish   (1983 words)

  
 jellyfish - HighBeam Encyclopedia
Many jellyfish are colored, with pink or orange internal structures visible through the colorless or delicately tinted bell, and all are exquisitely designed; they are among the most beautiful of animal types.
Jellyfish move up and down by contracting and relaxing the bell, using muscles that circle the bell margin; they are carried horizontally by waves and currents.
Jellyfish of the class Scyphozoa, sometimes called true jellyfish, are larger and often have numerous tentacles; they have branched radial canals and complex sense organs.
www.encyclopedia.com /doc/1E1-jellyfis.html   (780 words)

  
 reefED - GBR Explorer - Jellyfish   (Site not responding. Last check: )
Jellyfish drift at the mercy of the currents, often accumulating in sheltered bays and estuaries.
Jellyfish reproduction is often complex involving two different body forms, the attached polyp and the free-swimming jellyfish-like medusa stage.
Jellyfish move in the water by filling their bell with water and then forcing it out again and they can travel at about 2 knots (as fast as your normal walk).
www.reefed.edu.au /explorer/animals/marine_invertebrates/corals/jellyfish.html   (838 words)

  
 Scyphozoan Jellyfish Tank, Moon Jellies, Kreisel Aquarium Design, New Marine Aquariums and Coral Reef Aquarium Tank, ...
Jellyfish are one of the most beautiful and awe inspiring creatures of the ocean, certainly one of the most popular attractions at public aquariums.
Jellyfish, or Sea Jellies, are made up of 99% water, and are found all over the world and in all the seas, even in some freshwater locations.
Adult jellyfish sexually produce eggs and sperm and the larvae is, either 'brooded' within the gut of the adult or develops as a free swimming planula.
www.aquarium-design.com /invert/jellyfish.html   (440 words)

  
 Jellyfish - MSN Encarta
Jellyfish, common name for any of the invertebrate animals making up two classes of the cnidarian phylum.
The term jellyfish applies more specifically to the free-swimming, gelatinous organism called the medusa, the form usually taken during the sexual stage of these animals, this generation alternating with a bottom-dwelling polyp stage in which reproduction is asexual.
As in other cnidarians, the jellyfish has only two major developmental layers (ectoderm and endoderm), no head, a gut but no anus, and a nervous system without a brain.
encarta.msn.com /encyclopedia_761555168/Jellyfish.html   (367 words)

  
 Chesapeake Bay - TheChesapeakeBay.com
The Lion's Mane jellyfish (Cyanea capillata) is brown in color, and has longer tentacles hanging from the edge of its swimming disk and from the middle.
It is a relative of jellyfish that floats at the water's surface by means of a gas-filled blue float.
The jellyfish for which Chesapeake Bay is widely known in the summer is the Sea Nettle (Chrysaora auinquecirrha).
thechesapeakebay.com /jellyfish_facts.shtml   (1793 words)

  
 New Jersey Scuba Diver - Marine Biology - Jellyfishes
True Jellyfishes, Hydromedusae, and Siphonophores are in the phylum Cnidaria, related to bottom-dwelling Hydroids, Sea Anemones and corals.
Jellyfishes are free-swimming relatives of corals, anemones, and hydroids.
Although jellyfish can swim slowly, they are largely at the mercy of the tides and currents, and at times large numbers are concentrated into bays, and may be stranded on beaches.
www.njscuba.net /biology/sw_jellies.html   (2378 words)

  
 Jellyfish, Members of the Class Scyphozoa
Jellyfish belong to the class Scyphozoa that is broken down into two orders, Rhizostomeae (no tentacles on the fringe) and Semaestomae (tentacles on the fringe).
In the wild, the jellyfish can be found as individuals or in large schools floating at the surface.
Jellyfish are 90% to 95% water, but a few species are still eaten by other predators.
www.peteducation.com /category_summary.cfm?cls=16&cat=1901   (325 words)

  
 jellyfish
Many jellyfish are colored, with pink or orange internal structures visible through the colorless or delicately tinted bell, and all are exquisitely designed; they are among the most beautiful of animal types.
Jellyfish move up and down by contracting and relaxing the bell, using muscles that circle the bell margin; they are carried horizontally by waves and currents.
Jellyfish of the class Scyphozoa, sometimes called true jellyfish, are larger and often have numerous tentacles; they have branched radial canals and complex sense organs.
www.factmonster.com /ce6/sci/A0826152.html   (483 words)

  
 Jellyfish (band) - Wikipedia, the free encyclopedia
Andy Sturmer stayed quiet for a number of years, but has since become legendary for writing catchy pop songs for Japanese pop phenomenon Puffy Amiyumi and soloist YUKI (formerly front woman and vocalist of the Japanese rock band Judy and Mary).
Roger Manning immediately joined up with Jellyfish live band member Eric Dover in a project called Imperial Drag, and also recorded as one half of the Moog Cookbook.
After leaving Jellyfish, Jason Falkner joined with other disillusioned pop musicians Jon Brion, Buddy Judge and Dan McCarroll (the latter three best known for their work with Aimee Mann) in a band called The Grays.
en.wikipedia.org /wiki/Jellyfish_(band)   (636 words)

  
 Jellyfish: A Dangerous Ocean Organism of Hawaii
Jellyfish are any planktonic marine member of a group of invertebrate animals composed of about 200 described species of the class Scyphozoa (phylum Cnidaria) or of the class Cubozoa, which was formerly considered an order of Scyphozoa.
Portuguese man-of-war which technically is not a jellyfish but a pelagic colonial hydroid or hydrozoan), as well as unrelated forms such as salps and comb jellies.
The bulk of the Scyphozoan medusae jellyfish consists of almost ninety-nine percent water as a result of the composition of the jelly that forms the bulk in nearly all species.
www.aloha.com /~lifeguards/jelyfish.html   (1706 words)

  
 Jellyfish - Enchanted Learning Software
Jellyfish are fish-eating animals that float in the sea - only a few jellyfish live in fresh water.
Some jellyfish glow in the dark (this is called phosphorescence).
Many animals eat jellyfish, including sea turtles and some fish (including the sun fish).
www.enchantedlearning.com /subjects/invertebrates/jellyfish/Jellyfishcoloring.shtml   (206 words)

  
 Jellyfish
Jet propulsion in jellyfish is possible because of special muscles called coronal muscles, embedded on the underside of the bell, which push water out of the hollow bell.  As water is pushed in one direction, the jellyfish moves in the opposite direction.
Jellyfish have a short lifespan, the longest surviving species living only two to six months, usually perishing in rough waters or being eaten by predators—ocean sunfish and leatherback turtles are two of the most prevalent jellyfish predators.  (Researchers do not know how turtles and other predators can eat poisonous nematocysts without harming themselves.
Jellyfish are incredibly fragile, yet also incredibly complex.  They ‘breathe’ through the entire surface of their bodies, which is able to absorb oxygen and release carbon dioxide, and, even after death, are able to continue to deliver poison from their stingers if the tentacles remain moist.
www.answersingenesis.org /creation/v25/i4/nobrain.asp   (0 words)

  
 Halfbakery: Jellyfish Contact Lenses
Jellyfish don't have eyes like we know them, though some medusae have ocelli which are light-sensitive spots on the rim of the bell.
Jellyfish do have sensory organs called rhopalia, which form a row of small round structures along the rim of the bell.
Planula are tiny discs with a garden of cilia on their bottom - the cilia could cling to the wearer's eye, and no jellyfish death or maiming would have to occur, because they come in eye-size.
www.halfbakery.com /idea/Jellyfish_20Contact_20Lenses   (1321 words)

  
 CNN - Earth
There are 2,000 species of jellyfish and many have unusual names, like the upside down jellies, the moon jellyfish, the tiny umbrellas, and the West coast and East coast nettles.
Seven different jellyfish species grace the aquarium's tanks, from the tiny elegant jellyfish, as they're called, to the lion's mane, which packs the most powerful sting of the bunch.
The jellyfish have what are called oral arms that move the food to their mouths.
www.cnn.com /EARTH/9607/29/jellyfish   (432 words)

  
 Jellyfish
Jellyfish turn into shapeless blobs of jelly on land but can withstand water pressure at depths that would crush a human being.
Soon the jellyfish ate all of the food in the lake, but they adapted to live off the energy produced by algae in their tissues (much as upside-down jellies do).
Crystal Jellyfish are almost invisible in the water and sadly have begun truly to vanish in the bays and estuaries of the West Coast.
www.sherrysknowledgequest.com /jellyfish.htm   (535 words)

  
 Marine Stings and Scrapes -- Topic Overview
Jellyfish and Portuguese man-of-wars are members of a large group of venomous marine animals that also includes fire coral and sea anemones.
Jellyfish are often present in coastal waters, having been brought ashore by winds or ocean currents.
Seabather's eruption is a rash that develops from the stings of jellyfish or sea anemone larvae.
www.webmd.com /hw/health_guide_atoz/aa121032.asp   (520 words)

  
 Jellyfish Tank, Moon Jellies, Kreisel Aquarium Design, New Marine Aquariums and Coral Reef Aquarium Tank, Stand, ...
A jellyfish's body is made up of two layers, in between is a jellylike substance.
Jellyfish posses no distinct head, digestive or structural organs, and all possess Cnidae, which are specially modified stinging cells also called nematocyst.
Jellyfish feed on small plankton animals that they capture within their tentacles.
www.aquarium-design.com /jellyfish.html   (337 words)

  
 CDNN :: Giant Jellies Attack Japan   (Site not responding. Last check: )
Echizen kurage is not an extraterrestrial invader, but a giant jellyfish that is devastating the livelihoods of fishermen in the Sea of Japan.
Nomura's jellyfish, as it is known in English, is the biggest creature of its kind off Japan and for reasons that remain mysterious its numbers have surged in the past few months.
Jellyfish are an unusual ingredient of Japanese cuisine but are much more prized in China.
www.cdnn.info /news/eco/e051208a.html   (627 words)

  
 Jellyfish   (Site not responding. Last check: )
Jellyfish are common in all waters and the dreaded Portuguese man of war has occasionally found its way into the New England area.
The man of war is distinguished from other jellyfish because of its large float, which may appear pink, blue or purple.
Contrary to popular belief, jellyfish do not consciously sting; barbs are automatically released when an object comes in contact with the cells.
www.lifespan.org /services/emergency/articles/watersafe/jellyfish.htm   (257 words)

  
 THE JELLYFISH PAGE
Jellyfish strike a lot of fear into the minds of people who portray them as blobs floating around in the ocean that go around stinging people at the beaches but yet jellyfish are much more than that.
Jellyfish have two layers: the first is the ectoderm or outer skin, the second is the endoderm or inner skin.
The moon jellyfish died of the same thing itÕs just that there was less ammonium in the water and probably less of that bacteria.
www2.hawaii.edu /~ortogero/jellyfish.html   (1453 words)

  
 Jellyfish
Jellyfish are cool, amazing, and beautiful creatures and in my opinion, very sensuous, that's if you've ever just watched a jellyfish move.
Jellyfish breathe by absorbing oxygen from the water through the surface of their outer layer.
Even after a jellyfish is washed up on the shore and dead, as long as the tentacles are still moist, nematocysts are still capable of stinging.
serendip.brynmawr.edu /biology/b103/f97/projects97/Buendia.html   (1406 words)

  
 [No title]
Among the most notorious of jellyfish is the Portuguese man of war (Physalia physalis), whose stings can produce painful burns for bathers, and have even led to heart failure.
Jellyfish spend most of their lives in the open seas, because that is where the water tends to be more saline and warmer.
Advice from Oceana for those who are stung by jellyfish is to avoid rubbing the affected area with sand or with a towel.
www.climateark.org /shared/reader/welcome.aspx?linkID=59252   (673 words)

  
 Endangered Jellyfish Reappears in East China's Lake
Freshwater jellyfish, a wild free-swimming coelenterate on the verge of extinction worldwide, has reappeared in large quantities in Zhelin Lake in east China's Jiangxi Province.
With the size of a human fingernail, this specie of jellyfish is called by the Chinese "peachblossom jellyfish" for it looks like peach blossom in full bloom.
The jellyfish is very sensitive about the living environment and cannot live in water with temperatures higher than 35 degrees centigrade.
www.china.org.cn /english/TR-e/43150.htm   (177 words)

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