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Topic: Oceanic Whitetip Shark


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In the News (Fri 27 Nov 09)

  
  Oceanic whitetip shark - Wikipedia, the free encyclopedia
The oceanic whitetip shark, Carcharhinus longimanus, is a large pelagic shark of tropical and warm temperate seas.
The oceanic whitetip is usually solitary and slow-moving, and tends to cruise near the top of the water column, covering vast stretches of empty water scanning for possible food sources.
Despite the greater notoriety of the great white shark and other sharks habitually found nearer the shore, the oceanic whitetip is considered responsible for more fatal attacks on humans than all other species combined, as a result of predation on those shipwrecked or from aircraft downed in the open ocean.
en.wikipedia.org /wiki/Oceanic_whitetip_shark   (2309 words)

  
 Whitetip reef shark - Wikipedia, the free encyclopedia
The whitetip reef shark Triaenodon obesus is a shark of tropical and warm temperate seas.
The whitetip reef shark is one of the most common sharks found in shallow water around coral reefs in the Indian and Pacific Oceans.
The whitetip reef shark feeds primarily on crustaceans, octopuses and fish.
en.wikipedia.org /wiki/Whitetip_reef_shark   (248 words)

  
 Florida Museum of Natural History Ichthyology Department: Oceanic Whitetip Shark   (Site not responding. Last check: 2007-10-21)
Oceanic whitetip sharks are often accompanied by remoras, dolphin fishes, and pilot fishes.
This shark is viviparous in reproduction, meaning the eggs hatch inside the mother with the young being born alive.
The oceanic whitetip shark is distributed worldwide and is a common resident of warm open ocean waters.
www.flmnh.ufl.edu /fish/Gallery/Descript/OceanicWT/OceanicWT.html   (1491 words)

  
 Ann & Thomas Portal
The shark typically dwells in the upper layer of the ocean — from the surface to a depth of 150 metres — though it prefers off-shore deep-ocean areas.
Whitetips aren't fast sharks, but like many slow-movers, they're capable of surprising bursts of quickness -- and while it is difficult to make claims of an animal's intelligence, the Oceanic Whitetip has an apparent cleverness that seems, like some of their behaviors, almost canine.
Despite the greater notoriety of the Great White and other sharks who ply their trade nearer the shore, the Oceanic Whitetip is probably responsible for more fatal attacks on humans than all other species combined, by preying on those who are shipwrecked or downed from planes in the open ocean through disaster or war.
www.jump-gate.com /atportal/shark/oceanic_whitetip_shark.shtml   (1299 words)

  
 Oceanic whitetip shark - Carcharhinus longimanus: More Information - ARKive
This shark is an oceanic, epipelagic species found mainly in offshore, tropical and warm-temperate waters (6), although on occasion in shallower waters near land, usually near oceanic islands (3).
The diet of the oceanic whitetip shark primarily consists of bony fishes such as tuna and mackerel, but also includes stingrays, sea turtles, sea birds, squid, crustaceans, mammalian carrion (dead whales and dolphins), and occasionally even rubbish that is disposed in the sea (3).
This shark is often accompanied by remoras, dolphin fishes and pilot fishes, and reportedly demonstrates an unusual association with the shortfin pilot whale (Globicephala macrorhynchus) in Hawaiian waters (2) (3).
www.arkive.org /species/GES/fish/Carcharhinus_longimanus/more_info.html   (980 words)

  
 The Oceanic Whitetip
Biology and Behaviour of the Oceanic Whitetip (Carcharhinus longimanus = [maou])
Whitetips are often found swimming along with the big pods of pilot whales, and often follow the whales when they dive down into the depths.
The reason whitetips hang around pilot whales is not known, but it is possible that the sharks follow the whales and feed along on the squid that the whales actively seek out (this means the sharks donÕt have to go find their food, they just follow the whales, which are great squid finders).
www.ncf.carleton.ca /~bz050/whitetip.html   (1729 words)

  
 Sharks - What is a Shark?- Enchanted Learning Software
The sharks that are the most dangerous to people are the great white shark, the tiger shark, the bull shark, and the oceanic whitetip shark.
Some of the other sharks that are known to have attacked people include the gray shark, blue shark, hammerhead shark, mako shark, nurse shark, lemon shark, fltip reef shark, wobbegongs, sandtiger, spitting sharks, and the porbeagle.
Pelagic sharks (living in the open ocean) include the great white shark, the basking shark, etc. Benthic sharks (living at the ocean floor) include the zebra horn shark, the wobbegongs, and the angelshark, which usually have flattened, camouflaged bodies that let them hide in the sea bed.
www.enchantedlearning.com /subjects/sharks/allabout   (1486 words)

  
 Shark, Tuna, Marlin and Swordfish stocks decimated by 90% says Ransom Myers   (Site not responding. Last check: 2007-10-21)
Fears that some species of sharks could soon be wiped out entirely have intensified with the recent report that the oceanic whitetip shark has become extinct in the Gulf of Mexico.
Research by Dalhousie University of Halifax in Canada, suggests that the oceanic whitetip shark in the Gulf of Mexico has suffered at the hands of longline tuna fisheries to the point that populations are now just 1% of figures recorded in 1950.
Bite-Back, the UK’s fastest growing shark and marine conservation organisation, is working to expose the correlation between the demand for shark meat and fins and the decimation of shark populations and encourage a significant fall in consumer and retail demand.
www.bite-back.com /news/oceanicwhitetipshark.htm   (554 words)

  
 Shark species involved
The shark uses the teeth of its lower jaw to impale prey, then it swings its head from side-to-side using the heavy triangular teeth of its upper jaw to carve a mouthful of tissue from its prey.
The shark, abundant offshore and inshore, is oceanic, epipelagic and littoral.
A shark was seen to use the underside of its hammer-shaped head to bludgeon and pin a stingray to the seabed, then the shark pivoted and bit a chunk out of the ray's pectoral fin.
www.sharkattackfile.net /species.htm   (7082 words)

  
 Mike's Shark Page
All sharks are cartilaginous fishes, with five to seven gill slits on each side of their head.
Sharks range in size from a few inches long to the size of a city bus.
All sharks have the five senses common to humans and most other animals, but sharks also have electrosensitivity through their specialized organs, ampullae of Lorenzi, which are located on the snout.
www.angelfire.com /mo/mikeworld/sharks.html   (168 words)

  
 UNDERWATER WORLD SHARK'S PAGE
Where the reef flfin shark is absent, e.g., Johnston and Marcus Islands, the gray reef shark is found commonly by day over the shallow reef normally reserved for the flfin reef shark.
The gray reef shark is usually restricted to small islands, where it shows a preference for the leeward side.
The gray reef shark, although capable of feeding off the bottom, is most successful in feeding on organisms in the water column near the bottom.
underwater_world.tripod.com /sharks.htm   (864 words)

  
 Monterey Bay Aquarium: Online Field Guide - Oceanic whitetip shark   (Site not responding. Last check: 2007-10-21)
The oceanic whitetip is easily recognized by its large, rounded dorsal fin and long, paddle-like pectoral fins—all of which have white tips, giving this species its common name.
Oceanic whitetips are found in the open ocean, generally far from land.
Oceanic whitetips are often captured as bycatch in fishing gear meant for other species.
www.mbayaq.org /efc/living_species/print.asp?inhab=432   (174 words)

  
 Sharks
But in truth a shark can be one of over 370 different types and range in size from the whale shark, the largest of all fish that measure up to forty feet long, to the smallest shark, the spined pygmy shark that only grow to a length of about six inches.
Among most species of sharks, the fertilized eggs are hatched inside the female, and the pups are born alive.
Young shark pups are not cared for by either parent, and their greatest threat is being eaten by a larger shark.
www.42explore.com /shark.htm   (1571 words)

  
 SharkFriends Shark Pics   (Site not responding. Last check: 2007-10-21)
Whitetip reef sharks are sometimes confused with the oceanic
whitetip sharks are much larger and are usually found far off shore.
This shark is common to the areas where it is found.
www.sharkfriends.com /whitetipreefshark.html   (88 words)

  
 Oceanic Whitetip Shark
The oceanic whitetip shark is viviparous with litters of 5 to 15 pups which are born at a length of 65 to 75 cm (26 to 30 inches).
The oceanic whitetip shark is generally found far from shore, from the surface down to a depth of 150 meters (500 feet).
This shark is common in warm oceanic water and occasionally found in coastal areas of the tropics or warm temperate waters.
new-brunswick.net /new-brunswick/sharks/species/whitetip.html   (324 words)

  
 Oceanic Whitetip Shark (Carcharhinus longimanus) Carcharhinidae.   (Site not responding. Last check: 2007-10-21)
Even though the Oceanic Whitetip Shark (Carcharhinus longimanus) is considered one of the five most dangerous sharks in the world, it is rarely, if ever, seen by swimmers and snorkelers.
This shark is only found in offshore oceanic waters with temperatures of over 20°C. Encounters are usually by anglers over the continental shelf while searching for game fish or by divers visiting outer reefs with deep reef walls.
For this reason the Oceanic Whitetip Shark charges in very quickly on any possible prey, a habit that makes it dangerous to divers or swimmers and it has been blamed for the deaths of many survivors of ship or plane disasters at sea.
www.marinethemes.com /oceanicshark.html   (296 words)

  
 IUCN Red List of Threatened Species: Carcharhinus longimanus
The oceanic whitetip shark is assessed as Critically Endangered in the Northwest and Western Central Atlantic because of the enormous declines that have been reported.
According to Berkeley and Campos (1988), oceanic whitetip sharks constituted 2.1% of the shark bycatch in the swordfish fishery along the east coast of Florida in 1981¿83.
In the Maldives, Anderson and Ahmed (1993) reported that oceanic whitetip sharks were taken commercially by pelagic shark longliners and incidentally by tuna fishermen, and that in a previous exploratory fishing survey oceanic whitetip sharks constituted 23% of all sharks caught.
www.iucnredlist.org /search/details.php/39374/all   (2591 words)

  
 Blue Shark
Blue sharks normally swim very slow at the surface but can be found down to a depth of approximately 150m.
Aside from the Oceanic Whitetip shark (Carcharhinus longimanus), and the Silky shark (Carcharhinus falciformis), this is probably the most abundant offshore species.
Blue sharks seem to migrate clockwise with the Gulf Stream and some have been tagged (marked) in US waters only to be recaught in Spain.
www.worldshark.com /species/blue/blue.html   (407 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
Unlike most other shark species, the oceanic whitetip shark lives permanently in the open ocean in waters off continental shelves where the water temperature is above 21°C (70°F).
It is one of the sharks most likely to arrive at the scene of mid-ocean air or sea disasters, and is therefore potentially dangerous to people.
Like many sharks it is an opportunist, and being an open-ocean species it must take advantage of any and every opportunity to feed.
www.fathom.com /course/21701777/21701777_oceanic.html   (154 words)

  
 Sharks Field Trip Trailhead
Sharks are found in all the oceans of the world, but there are only four species that are considered dangerous: the great white shark (known to most of us courtesy of the movie "Jaws"), tiger shark, bull shark and oceanic whitetip shark.
Humans are not the preferred food of sharks despite public hysteria and opinion to the contrary.
Students will learn why sharks are on the endangered species list and learn about how they can participate in the conservation of these amazing animals.
www.field-trips.org /sci/sharks/index.htm   (190 words)

  
 Shark photos, Brandon Cole Marine Photography. Oceanic Whitetip, Nurse, Sixgill, Epaulette, Silvertip, Wobbegong.
Sharks (and their elasmobranch cousins the rays, skates, and chimaeras) have a cartilaginous skeleton containing no true bones.
Some are small enough to fit in your hand, like the pygmy shark, and others like the whale shark are as large as a submarine.
Many sharks (example: whitetip reef) live in shallow coastal waters, while others dwell in the deepest oceans (example: six gill).
www.brandoncole.com /profilesharkmisc.htm   (298 words)

  
 Blue shark (Prionace glauca)
Blue sharks normally swim very slow at the surface but can be found down to a depth of approximately 150 m.
Aside from the Oceanic whitetip shark, and the Silky shark, this is probably the most abundant offshore species.
Blue sharks reach sexual maturity at 5 to 6 years of age and at a size of about 180 cm (males) and 220 cm (females).
www.shark.ch /Database/Search/species.html?sh_id=1032   (393 words)

  
 Face to face with oceanic whitetip shark - Carcharhinus longimanus -
I become suspicious; suddenly I focus the shape of a shark, whose silhouette is barely visible in the water.
The shark is approaching him at full speed, proceeding with astonishing simplicity, with imperceptible tail movements, obliquely, with its head higher than his tail..
Now the shark is at 1.5 meters from Stefano's legs, and he is still unaware of it.
www.aboveandbelow.net /FotoBelow/Storie/longimano-eng.htm   (802 words)

  
 OCEANIC WHITE TIP SHARK   (Site not responding. Last check: 2007-10-21)
Oceanic whitetip shark, Whitetip shark, white-tipped shark, Whitetip whaler.
Oceanic whitetips can lift their noses out of the water and sniff the air to find prey over greater distances than by following water borne scent trails.
The Oceanic whitetip may circle swimmers or divers repeatedly if it thinks it may have a potential meal.
www.elasmodiver.com /oceanic_white_tip_shark.htm   (579 words)

  
 Project AWARE Kids Sharks
But not all sharks are salty - some cruise in freshwater rivers and lakes, too.
Although you may think of sharks as mean and vicious, like in the movie Jaws, never fear, shark attacks are actually very rare.
Because sharks mature slowly and produce a small number of offspring, their future is endangered by overfishing.
www.projectaware.org /kids/html/sharks.asp   (196 words)

  
 The Nose Knows - Olfaction in Sharks   (Site not responding. Last check: 2007-10-21)
In sharks, the chemically-sensitive tissue of the nares is contained within a pair of capsules that open to the sea about mid-way along the undersurface of the snout.
In hammerhead sharks, the nares are located near the tips of the hammer and may be separated by a metre or more.
This would give the Oceanic Whitetip a major competitive advantage over other sharks in the otherwise featureless expanse of the open sea.
www.elasmo-research.org /education/topics/s_nose.htm   (669 words)

  
 NPR : Study: Whitetip Shark Numbers Rapidly Dwindled
The whitetip shark, named for the whitish ends on its fins.
All Things Considered, July 8, 2004 · Common wisdom holds that a glimpse of the oceanic whitetip shark is a rare one.
In the 1950s, fishermen in the Gulf of Mexico thought the whitetip was scarce because it was never seen in open waters.
www.npr.org /templates/story/story.php?storyId=3223013   (475 words)

  
 Shark Gallery - Oceanic Whitetip Shark (Carcharhinus longimanus)
In fact on unborn sharks the colour pattern is reversed and the shark has fl tips to its fins.
The Oceanic Whitetip is found around most of the world except very cold areas.
The Oceanic Whitetip is thought to be responsible for many of the fatal attacks on plane and shipwreck survivors at sea.
gerber.iwarp.com /ocwtip.htm   (473 words)

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