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Topic: Silky shark


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  Description Silky Shark - Carcharhinus falciformis   (Site not responding. Last check: 2007-10-21)
The silky shark is a common tropical-subtropical, epipelagic species that occurs in the Atlantic, Pacific and Indian oceans.
The yellowfin tuna (Thunnus albacares) is commonly preyed on by silky sharks,
Number of sharks per litter is 6-14 in the western Atlantic, 9-12 in the eastern Atlantic, 9-14 in the western Indian, and 2-11 in the central Indian.
www.flmnh.ufl.edu /fish/Gallery/Descript/silkyshark/silkyshark.html   (1032 words)

  
 Shark Gifts for Animal Lovers   (Site not responding. Last check: 2007-10-21)
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 /shop/Shark-gifts-P2.htm   (1196 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 feeds on many different animals including jellyfish, lobster, small fish, squid, and octopuses using their knifelike teeth that are pointed to the back of the mouth.
savethesharks.tripod.com /sharks/id1.html   (3671 words)

  
 NOVA Online | Island of the Sharks | Exploding Myths
That is, in three to five years fishers kill the equivalent of the entire population of the U.S. Humans are not natural predators of sharks, as we are terrestrial hunters and didn't really fish for sharks until we became civilized.
Sharks and their large-brained allies the rays have brain/body weight ratios in the range of birds and mammals.
Measurements demonstrate that a shark can detect electric fields of a magnitude similar to a 12-volt car battery placed in the middle of the Atlantic Ocean, with the positive pole connected to Boston Harbor and the negative pole placed in the harbor at Plymouth, England.
www.pbs.org /wgbh/nova/sharks/masters/myths.html   (714 words)

  
 Silky Shark Attack
n example of a shark that is occasionally encountered on off-shore tropical coral reefs and is the subject of this salutary tale is the silky shark Carcharhinus falciformis.
The silky - so-named for the smoothness of its skin (thanks to the small dermal denticle therein) is an open-water shark that more typically dwells in deep water well away from shore or reef.
I was swimming with large, open-water sharks on my own (no one had volunteered to come with me!) and I was swimming with sharks as dusk approached - and many species of shark are crepuscular in their feeding habits.
www.arabianwildlife.com /archive/vol2.3/silshk.htm   (1599 words)

  
 Silky Hair -- Recommendations and Resources   (Site not responding. Last check: 2007-10-21)
Silkies have the appearance of a big fluffy ball of feathers; their unique appearance and quiet temperament mean they are often kept as pets.
Silkies are more susceptible to lice and scaly leg than other chickens, so regular inspections are important to ensure good health of the birds.
Silky sharks are not dangerous to divers, but in the presence of speared fish or if approached directly they can get aggressive, and therefore should be considered potentially dangerous shark.
www.becomingapediatrician.com /health/132/silky-hair.html   (684 words)

  
 Shark Glossary: S - EnchantedLearning.com
Sand sharks (or sandtiger sharks) are bottom-dwelling mackerel sharks (Odontaspididae).
This part of the shark's digestive tract enables the shark to efficiently digest its food in a small area, since the surface area of the intestines (where nutrient absorption takes place) is very large within the spiral.
This shark is light brown with dark brown marking; this color scheme camouflages the shark on the rocky sea floor.
www.enchantedlearning.com /subjects/sharks/glossary/indexs.shtml   (4229 words)

  
 Sharks
The whale shark is found in all tropical and subtropical oceans, along coastal regions, and enters lagoons on tropical islands.
The silky shark is widely distributed in nearly all tropical and warm temperature waters of the world.
The blue shark is one of the most attractive sharks because it is large and slender, with an indigo blue upper body, bright blue sides, and the a white belly.
www.geocities.com /jzbar2002/sharks.htm   (670 words)

  
 Animal Planet :: Shark Fins ID'ed
Sharks are being killed in increasing numbers to satisfy the growing demand for shark-fin soup, said the release.
Most shark species are protected in international waters, but this doesn't stop fishermen from hacking the fins from their bodies and tossing the remains.
Isolated shark fins generally look the same, and existing genetic tests that can identify sharks from body parts are "too slow and expensive to be practical for monitoring the shark trade," the release said.
animal.discovery.com /news/briefs/200207/finsided.html   (326 words)

  
 Silky Shark, Carcharhinus falciformis @ MarineBio.org
The Silky shark gets its name because its "silky smooth" hide (the result of its densely-packed dermal denticles) and is also called the "net-eater shark" in the eastern Pacific because of its tendency to ravage tuna seine nets.
The Silky shark, Carcharhinus falciformis, is a highly migratory species found in subtropical waters between 40°N-40°S in the western Atlantic from Massachusetts, USA south to southern Brazil, in the Gulf of Mexico, and the Caribbean Sea.
Silky sharks inhabit the continental and insular shelves and slopes, deepwater reefs, and in the open sea.
www.marinebio.com /species.asp?id=381   (1140 words)

  
 Marine Fisheries Review: Characteristics of shark bycatch observed on pelagic longlines off the Southeastern United ...
Preliminary comparisons of the observed size of silky sharks captured on gangions of two different breaking strengths, 135 kg (300-1b) test and 180 kg (400-1b) test, have shown that significantly larger silky sharks were observed on gear utilizing the stronger gangions (Beerkircher (3)).
Sharks in the genus Carcharhinus are difficult to identify; we believe that these difficulties were likely more pronounced during the early years of the observer program before both observers and observer trainers gained experience with the variety of shark species encountered by this fishery.
In contrast to the blue shark, relative abundance of oceanic whitetips was greater in quarter 3, and particularly quarter 4, which may reflect this species' preference for wanner waters.
www.findarticles.com /p/articles/mi_m3089/is_4_64/ai_n6148326/pg_3   (1310 words)

  
 Stuart Cove's Underwater Hollywood on-location services
The sharks have come to associate divers with food and remain in the vicinity throughout, adding an edge to what is already a beautiful dive.
Silky sharks are a fast moving surface dwelling species who primarily inhabit the deep open waters.
The Tiger Shark has the reputation as being one of the most fierce sharks in the waters and is known to eat just about anything.
underwaterhollywood.com /sharks.html   (1256 words)

  
 Case studies of the management of elasmobranch fisheries   (Site not responding. Last check: 2007-10-21)
Pelagic sharks and rays are a common bycatch of the WTP longline and purse seine fisheries, but few data have been collected at the species level to enable insights into their distribution and abundance to the level that has been achieved for the target tuna species in the WTP.
The predominant shark species observed in the WTP purse seine fishery were the silky shark and the oceanic whitetip shark.
Blue shark appear to be the widest ranging species (Compagno 1984, Stevens 1996), while recent observer data collected in the WTP tuna fisheries (Figure 5) suggest a need to review and update the ranges of silky shark, pelagic thresher and bigeye thresher, as described in Compagno (1984) and Last and Stevens (1994).
www.fao.org /DOCREP/003/X2098E/X2098E17.htm   (6824 words)

  
 JASA: Bahamas Shark Encounters
These sharks are not uncommon to be seen on some of the reefs in the Bahamas just swimming by and can be seen cruising the shallow waters of the Little Bahama Bank.
The bull shark is a very bulky, massively built shark with a blunt round snout, small eyes and no real conspicuous fin or body markings.
On Shark Canyon, there are about 3 or 4 friendly residents who on occasion will swim up for a scratch on their backs; gently of course.
www.scuba-adventures.com /sharks.shtml   (1825 words)

  
 Group 1 - Sharks and Rays
Sharks are not particularly abundant at Gray's Reef and, fortunately for divers, the most commonly observed shark at Gray's Reef, the nurse shark, is not considered dangerous to man. At least 19 of the 350 species of sharks worldwide are known to occur on Georgia's shelf waters (see systematic checklist).
Based upon longline and trawl samples from sandy bottoms in the Georgia Bight (Low and Ulrich 1984), the sandbar shark appears to be most abundant followed by the tiger, smooth dogfish, Atlantic sharpnose, spiny dogfish, scalloped hammerhead, lemon, dusky, sand tiger, and silky shark.
Skin silky, leading edge of first dorsal fin curved, second dorsal fin and anal fin with long posterior tip, serrated triangular teeth more strongly serrated at base becoming more oblique toward the corners of the mouth.
www.graysreef.nos.noaa.gov /fishguide/Group1/Group1.html   (757 words)

  
 Shark Foundation - Foundation for research and the preservation of sharks
The Shark Foundation has been committed to the protection and research of sharks since 1997 and sees itself as the sharks' lobby.
The Shark Foundation was established to actively protect and research endangered shark species and and preserve their natural habitats.
Sharks can no longer compensate the losses suffered in all of their habitats.
www.shark.ch   (187 words)

  
 :: Discovery Channel CA ::
Sharks are often widely distributed throughout the world and catch rates (how often a particular species is caught, intentionally or accidentally) are not always recorded or reported.
Oceanic whitetip sharks have large, paddle-like fins with rounded white tips, while the fins of dusky sharks are long and curved with dusky tips but no prominent markings.
After the test, the 12 blue samples were confirmed as true blue, seven of the mako samples were genetically identified as shortfin mako and 45 of the silky samples were genetically identified as silky shark.
www.exn.ca /Sharks/story.asp?id=2002081551   (920 words)

  
 MavicaNET - Carcharhinus
Silky shark (Carcharhinus falciformis) photographs by Phillip Colla.
The Bull Shark is recognised by a combination of characters including a stout body, short blunt snout, triangular serrated teeth in the upper jaw and no fin markings as an adult.
Since our knowledge of sharks is often sketchy about the distinction of species, we are sometimes unsure about the distribution of some species.
www.mavicanet.com /lite/fra/24629.html   (285 words)

  
 Silky Shark - Sharkworld
Adults are found in the open oceans from the surface to depths of 500 metres.
They are the most common oceanic sharks along with the Blue shark and Oceanic whitetip sharks.
No attacks have been recorded by this shark, although it is probably responsible for many deaths after plane and boats disasters.
pages.eidosnet.co.uk /~imageworld/silky.htm   (143 words)

  
 The Ground Sharks
The shark’s snout is very blunt and short and has large, razor sharp, pointed teeth with saw like edges and deep notches on the side.
They often swallow things that cannot be digested but since sharks can turn their stomach inside out the sharks do not usually die from it.
The bulls living in the Zambezi River are know there as the Zambezi shark, while the ones in lake Nicaraque are known as the lake Nicarague shark.
elasmophiles.tripod.com /id1.html   (2312 words)

  
 Boattalk.com - The Silky Shark   (Site not responding. Last check: 2007-10-21)
The Silky Shark derives the name from its unusually smooth skin.
An abundant offshore species, the Silky shark is generally regarded as dangerous to humans.
By flipping the Silky over and gently applying pressure to the tail, it can be temporarily immobilized.
www.boattalk.com /sharks/silky.htm   (102 words)

  
 ECHENG.COM: Manta Shark Fishing Research - Shark Fishing Photos
The fins of a big-eye thresher shark (Manta)
A pile of thresher sharks and hammerhead sharks is moved (Manta)
Carlos pulls two baby thresher sharks from the uterus of its dead mother.
echeng.com /travel/manta/sharkfishing   (593 words)

  
 IUCN Red List of Threatened Species: Carcharhinus falciformis
A common, large, semi-pelagic coastal and oceanic shark of continental shelf and slope waters, discontinuously distributed in all tropical ocean basins.
Despite a lack of population sizes estimates, observations of trends, or indices of abundance for any stock (studies of fisheries impacts are a high priority), the silky shark is considered to be susceptible to over-exploitation by analogy with better known carcharhinids.
The silky shark is often found over deepwater reefs and near insular slopes.
www.redlist.org /search/details.php?species=39370   (358 words)

  
 Silky shark - Carcharhinus falciformis
A biological profile on the silky shark, Carcharhinus falciformis.
A Monte Carlo demographic analysis of the silky shark (Carcharhinus falciformis):
Carcharhinidae — Requiem sharks Carcharhinus albimarginatus (Rüppell, 1837) Carcharhinus
sharks.wildmadagascar.org /species/links/Carcharhinus_falciformis.html   (227 words)

  
 blogging.la
She was a real trooper, as a trauma nurse back home, with her husband who was a surgeon we got her stablized and back to Utila in less than an hour.
Shark Diver also called her in a medi-flight to the main land that afternoon.
She had been bitten by a small Silky Shark that had probably mistaken her leg for a tuna in all the confusion.
blogging.la /archives/2005/07/shark_diver_and.phtml   (547 words)

  
 Silky Shark, Carcharhinus falciformis
The Silky Shark has a slender body with a low ridge between the dorsal fins.
The Silky Shark occurs in tropical and some warm temperate waters worldwide.
It is found in continental shelf and oceanic waters, primarily close to land.
www.amonline.net.au /fishes/fishfacts/fish/cfalcif.htm   (172 words)

  
 Marine Fisheries Review: NMFS Cooperative Shark Tagging Program, 1962-93: An Atlas of Shark Tag and Recapture Data - ...
Figure 61.--Atlantic distribution of tag and recapture locations for the silky shark, Carcharhinus falciformis, from the NMFS Cooperative Shark Tagging Program during 1962-93.
The dotted-dashed line represents the U.S. Figure 62.--Total tagging distribution for the silky shark, Carcharhinus falciformis, from the NMFS Cooperative Shark Tagging during 1962-93.
The dotted-dashed line represents the U.S. Figure 67.--Total number of silky shark, Carcharhinus falciformis, tagged and recaptured by year in the NMFS Cooperative Shark Tagging Program, from 1962 to 1993.
www.findarticles.com /p/articles/mi_m3089/is_2_60/ai_55671825/pg_6   (1208 words)

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