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Topic: Frilled shark


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  Shark - Wikipedia   (Site not responding. Last check: 2007-10-13)
Sharks can be characterized as large, marine predators with a cartilaginous skeleton, multiple (usually five) gill slits along the sides or bottom of the head, dermal denticles covering the body, and rows of replaceable teeth in the mouth.
Sharks include everything from a hand sized deep sea species, to the whale shark[?], the largest fish which is believed to grow to a maximum length of 18m (59 feet) and which, like the great whales[?], feeds only on plankton.
In addition to the great white shark and bull shark[?], the only other sharks proven to have killed humans are the oceanic white tipped shark[?] and the tiger shark, implicated in attacks most often in the tropical Pacific, including Hawaii.
wikipedia.findthelinks.com /sh/Shark.html   (2352 words)

  
 Frilled shark
The frilled shark or frill shark (Chlamydoselachus anguineus) is a primitive shark, the sole living member of the Chlamydoselachidae in the order Hexanchiformes.
Superficially the frilled shark resembles a dark brown or gray eel, but the six gill slits[?] identify it as a shark.
Frilled sharks appear regularly in the catches from bottom trawling[?], and when caught are used as food or for fishmeal[?].
www.ebroadcast.com.au /lookup/encyclopedia/fr/Frilled_shark.html   (230 words)

  
 Shark Species
The white sharks most common prey is fish and seals, on the west coast of America white sharks feed on a lot of elephant seals, and in the Mediterranean Sea white sharks feed on a lot of tuna, and dolphins.
This species is the most dangerous shark in the world and while it was once thought that sharks had poor eyesight (sharks have very good eyesight) and attacks where a case of mistaken identity, it is now known that attacks are probably due to the shark just merely testing the organism.
The shark is not related to the gray nurse shark.
savethesharks.tripod.com /sharks/id1.html   (3671 words)

  
 Shark Glossary - The World of Sharks
The earliest shark genera are Mongolepis, Polymerolepis, and Palaeospondylus.
Chlamydoselachus anguineus, also known as the frilled shark, is a long, thin shark with a very long tail fin and a short snout.
The frilled shark is viviparous, giving birth to 8 to 12 live young in a litter after a gestation period of about 1 to 2 years.
www.worldofsharks.net /glossary_e.htm   (394 words)

  
 [No title]   (Site not responding. Last check: 2007-10-13)
Sharks and rays have very large and complex brains, but little is known about their brains.
Shark teeth are made the same as the denticles in the shark's skin and also the same as human teeth.
A shark's tongue is a small, thick, relatively immovable piece of cartilage that is found on the floor of the mouth of sharks and fishes.
www.sharkfriends.com /info3.html   (466 words)

  
 Sharks.com - Frilled Shark Pictures and Information at Sharks.com   (Site not responding. Last check: 2007-10-13)
Reproduction: Frilled sharks are ovovivparous,(retaining thin shelled eggs within the mothers body) females bear 8-12 live young, per litter on huge uterine eggs.
Frilled Shark Facts: The frilled shark (Chlamydoselachus anguineus) is a primitive shark, the sole living member of the Chlamydoselachidae in the order Hexanchiformes.
It is very different from the other hexanchiform sharks, and it has been recently proposed that the frilled shark should be given its own order.
www.aasharks.com /types-of-sharks/frilled-shark.htm   (397 words)

  
 Shark Pictures
Shark eyes have similar parts of their eyes that other vertebrates have like a cornea, lens, and retina.
Once the shark is in the general area of the prey, then the shark begins to use a combination of its smell coupled with the use of the lateral lines running along the side of the shark.
Sharks include everything from a hand sized pygmy shark a deep sea species, to the whale shark, the largest fish (although sharks are not closely related to bony fish) which is believed to grow to a maximum length of 18m (59 feet) and which, like the great whales, feeds only on plankton.
www.junglewalk.com /photos/shark-pictures.htm   (1205 words)

  
 About prehistoric Sharks-Megalodon,fossil teeth,
All that is known about ancient sharks and their evolution has been gleaned from the fossil record.Fossil remains of sharks have been known for many centuries, although their true nature was not always recognized.
Shark teeth, together with scales and dorsal spines, are the three parts of sharks most often preserved in rocks.
Although sharks and shark-like fishes have a long history; the modern sharks Cneoselachians) did not rise to dominance until after the Jurassic period, when, for some reason that is not yet clear, many of the more ancient forms had become extinct.
www.sharkattacks.com /prehistoric.htm   (2522 words)

  
 Echinorhiniformes: Bramble Sharks
Bramble sharks feed on a variety of fishes living on or near the bottom, including other sharks, elephant fish (a type of chimaera belonging to the genus Callorhinchus), hake, flatfishes, and herrings as well as crabs, octopuses, and squids.
Of stocky build with a moderately-sized mouth, bramble sharks are thought to feed by sucking in their prey at close range by suddenly expanding the mouth and pharynx, creating a powerful vacuum.
Note that those of the bramble shark have rounded bases and often fuse together, while those of the prickly shark are stellate with heavily-ridged spines and never fuse.
elasmo-research.org /education/shark_profiles/echinorhiniformes.htm   (506 words)

  
 Shark - Questionz.net , answers to all your questions   (Site not responding. Last check: 2007-10-13)
There are eight orders of sharks, listed below in roughly their evolutionary relationship from more primitive to more modern species: * Hexanchiformes: Examples from this group include the cow sharks, frilled shark and even a shark that looks on first inspection to be a marine snake.
Shark fishery Sharks are fished commercially and recreationally.
Sharks in mythology Sharks figure prominently in the Hawaiian mythology.
www.questionz.net /List_of_phobias/Shark.html   (2525 words)

  
 Shark Glossary: F - EnchantedLearning.com
If the shark or shark term you are looking for is not in the dictionary, please e-mail us.
The Whale shark, Basking shark, and Megamouth shark are filter feeders, obtaining plankton by sieving water through their gill slits.
The finetooth shark (Carcharhinus isodon) is a shark that lives in shallow inshore waters off the eastern coast of the Americas in the Atlantic ocean.
www.littleexplorers.com /subjects/sharks/glossary/indexf.shtml   (847 words)

  
 Frilled Shark, Chlamydoselachus anguineus
The Frilled Shark is easily recognised by its slender eel-like body, six pairs of gill slits, terminal mouth (starting at the front of the head), three-pronged teeth, single dorsal fin, caudal fin without a lower lobe, and brown colour.
The Frilled Shark's teeth at the margins of the jaw are gradually replaced by those behind.
During mating, one clasper is inserted into the body of the female Frilled Shark to facilitate sperm transfer.
www.austmus.gov.au /fishes/fishfacts/fish/cangu.htm   (269 words)

  
 NOVA Online | Island of the Sharks | Hexanchiformes
These sharks sport a single dorsal fin, six or seven pairs of gill openings and an anal fin.
Size: The smallest of the group is the sharpnose sevengill shark, which does not exceed 4.5 ft. The largest of the group is the giant bluntnose sixgill shark, which grows to almost 16.5 ft.
Shark bite: The broadnose sevengill shark may coordinate its movements with the tidal cycle, moving in with a tidal rise and out with its fall.
www.pbs.org /wgbh/nova/sharks/world/hexanchiformes.html   (308 words)

  
 Squatiniformes: Angel Sharks
Angel sharks spend much of their time lying motionless on the bottom, typically partially buried in sandy or muddy substrates.
The known depth range of angel sharks is from the intertidal down to at least 4,560 feet (1,390 metres).
Some species of angel shark are known to be nocturnal, actively swimming well off the bottom after dusk, apparently foraging under cover of darkness.
www.elasmo-research.org /education/shark_profiles/squatiniformes.htm   (592 words)

  
 About sharks
Sharks have 5,6,or 7 pair of gill openings.- Only a total of 7 shark species out of over 450 species have 6 or 7 pair of gill openings, and they are not in the New England area.
There are shark species that lack a fork in their tail that would define an upper and lower tail lobe, but those sharks are not in the New England area.
In most shark species the upper lobe is two or more times longer than the lower tail lobe.
www.newenglandsharks.com /IDshark.htm   (889 words)

  
 Chlamydoselachiformes: Frilled Shark
Growing to a length of nearly 6.5 feet (2 metres), the eel-like Frilled Shark (Chlamydoselachus anguineus) has elaborate, collar-like gills - the first of which is continuous across the throat - and a terminal mouth armed with some 300 trident-shaped teeth arranged in about 25 rows.
The Frilled Shark has the smallest litter size of any hexanchoid, ranging from 2 to 12 pups - with 6 being the average - each about 22 inches (55 centimetres) long.
The Frilled Shark usually inhabits deep waters between 400 and 4,200 feet (120 and 1,280 metres).
elasmo-research.org /education/shark_profiles/chlamydoselachiformes.htm   (578 words)

  
 When did Sharks Evolve ?
So most of the soft tissues of sharks are lost to time since their skeletons, which are made of cartilage not bone, dissapear rapidly, most shark fossils consist of teeth or occasionally material such as spines, bits of spine and dermal denticles (the skin teeth that sharks have instead of scales)
Some of ancient shark fossils found are pretty wierd, including one species that had a line of teeth in a spiral shape on the edge of the jaw.
This shark lives deep around 1300m / 4200ft, the extreme unchanging environment is probably what allowed the fish to stay the same, keeping ancestral features like its long eel like body and a top jaw that is fixed to its skull rather than moveable like those of modern sharks.
www.sharky-jones.com /Sharkyjones/Slow/When/Whenmain1.html   (1211 words)

  
 Frilled shark - Wikipedia, the free encyclopedia
The frilled shark, Chlamydoselachus anguineus, is a primitive shark species, of the family Chlamydoselachidae in the order Hexanchiformes.
The Southern African frilled shark is a proposed new species from the Southern African range.
This would give the frilled shark the possibility of having the longest gestation of any vertebrate, even exceeding the elephant's period of 22 months.
en.wikipedia.org /wiki/Frilled_shark   (348 words)

  
 Seaweek 2005 - MESA
All sharks are predators although some shark species are not at the top of the food chain.
Within the Australian species the whale shark and the megamouth shark sit at one extreme with a large zooplankton component to their diet.
At the other extreme sit the great white shark and the broadnose sevengill shark that feed on a range of invertebrates and vertebrates, and include a high proportion of mammals in their diet.
www.mesa.edu.au /seaweek2005/themes.asp   (324 words)

  
 SHARK TAXONOMY
The taxonomy of sharks and rays is a subject that remains in hot debate.
This implies that in all likelihood there are a number of shark and ray species lurking on the abyssal plain that have not yet been seen or captured.
Included at the bottom are the Holocephali; the chimaeras or ghost sharks that share many characteristics with modern sharks and rays but are thought to be descended from a different group that thrived during the Late Devonian Period.
www.elasmodiver.com /elasmobranch_taxonomy.htm   (866 words)

  
 Goblin Shark, Mitsukurina owstoni
The rod-like structures extending from the base of the anal fin (top of the bottom image) are the male shark's claspers.
These organs are used to transfer sperm from the male to the female shark during mating.
In August 2000 a third specimen of Goblin Shark was collected by J. Nemec on the FV Shelley H, east of Bermagui, New South Wales.
www.austmus.gov.au /fishes/fishfacts/fish/mowstoni.htm   (609 words)

  
 Frilled Shark, Frill Shark, Frill-gilled Shark. Chlamydoselachidae.   (Site not responding. Last check: 2007-10-13)
Since the teeth are sharp and slender they are best suited for gripping and holding prey so it is assumed that the feed on soft animals, such as squid, although stomach contents have also shown it to eat other shark species.
Frilled sharks are found in all major oceans, mostly in temperate regions, in depths from 120-1500m.
Their common name comes from the large gill slits which are softly feathered on the outer edges and which also almost entirely encircle the head.
www.marinethemes.com /sharkFrilledShark.html   (258 words)

  
 What kind of weird shark is THIS? » Netscape.com   (Site not responding. Last check: 2007-10-13)
The spined pygmy shark is one of the smallest sharks; it is roughly 7 to 8 inches (18 to 21 cm) long (females are about 8 inches = 21 cm long; males average about 7 inches = 18 cm long).
This deep water shark has a spine in front of its first dorsal fin but not in front of the second dorsal fin (this is unique among sharks).
And you thought the unicorn shark was gruesome...
science.netscape.com /story/2006/08/09/what-kind-of-weird-shark-is-this   (310 words)

  
 Frilled Shark 2   (Site not responding. Last check: 2007-10-13)
The frilled shark reaches an average length of 6 ft. and has a brown, elongated body.
This shark is very similar in appearance to members of the eel family.
The frilled shark is characterized by the 5 to 6 frilled gills located on each side of its head.
www.alientravelguide.com /science/biology/life/animals/chordata/vertebra/chondric/frilled2.htm   (58 words)

  
 Amazon.com: frilled   (Site not responding. Last check: 2007-10-13)
The natural history of the frilled shark, Chlamydoselachus anguineus (American museum of natural history.
The anatomy of the frilled shark chlamydoselachus anguineus Garman (The Bashford Dean memorial volume : archaic fishes / edited by Eugene Willis Gudger) by Bertram G Smith (Unknown Binding - 1937)
The morphology of the male urogenital system of the frilled shark, chlamydoselachus anguineus by Perry W Gilbert (Unknown Binding - 1943)
www.amazon.com /s?ie=UTF8&keywords=frilled&tag=icongroupinterna&index=blended&link_code=qs&page=1   (437 words)

  
 IUCN Red List of Threatened Species: Chlamydoselachus sp. nov. A
Living frilled sharks are usually assigned to a single wide-ranging species, Chlamydoselachus anguineus Garman, 1884 based on the close similarity of the external morphology of specimens from different areas (Gudger and Smith 1933).
Southern African frilled sharks are distinct from frilled sharks from the Eastern Atlantic north of Namibia and Angola, the Western North Atlantic, and the Pacific Oceans.
Ebert, D.A. The taxonomy, biogeography and biology of cow and frilled sharks (Chondrichthyes: Hexanchiformes).
www.iucnredlist.org /search/details.php/44667/all   (378 words)

  
 Interaktive Phylogenetic Tree of Sharks -> Family "Frilled sharks"
Frilled sharks possess 6 pairs of gill slits and have a slender, eel-like body with prominent keels on the abdomen.
The first pair of gills is connected to each other across the throat, hence their name.
Frilled sharks are wide-ranging but more patchily distributed.
www.shark.ch /Database/PhylogeneticTree/sh_fam.html?fam=5003   (138 words)

  
 Shark Species
Oceanic Whitetip Shark: (1) Carcharhinus longimanus (Oceanic Whitetip Shark), (2) Biology and Behaviour of the Oceanic Whitetip, (3) Carcharhinus longimanus
Scalloped Hammerhead Shark: (1) Scalloped Hammerhead, (2) Scalloped Hammerhead
Tawney or Spitting Shark: (1) Tawney or Spitting Shark, (2) Nebrius ferrugineus
www.42explore.com /shark2.htm   (658 words)

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