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	Nurse shark - Wikipedia, the free encyclopedia
		The nurse shark Ginglymostoma cirratum is a shark in the nurse sharks family and may reach a length of 4.3 m.
		Nurse sharks are thought to take advantage of dormant fish which would otherwise be too fast for the sharks to catch; although their small mouths limit the size of prey items, the sharks have large throat cavities which are used as a sort of bellows valve.
		Nurse sharks are ovoviviparous, meaning the eggs develop and hatch within the body of the female, where the hatchlings develop further until live birth occurs.
	en.wikipedia.org /wiki/Nurse_shark (348 words)

	Nurse SHARK - Enchanted Learning Software
		Nurse sharks eat bottom-dwelling fish, shrimp, squid, octopus, crabs, sea snails, lobster, sea urchins, and coral.
		Nurse sharks live in warm waters and are shallow-water sharks (going from the surface to 230 feet = 70 m deep).
		Nurse sharks are found in the western Atlantic Ocean and the eastern Pacific Ocean.
	www.enchantedlearning.com /subjects/sharks/species/Nurseshark.shtml (499 words)

	ANIMAL BYTES - Nurse Shark
		Nurse sharks exhibit ovoviviparous reproduction in which yolk sacks primarily sustain the intrauterine development of the young.
		The nurse shark is a common large inshore shark (primarily benthic) inhabiting the continental and insular shelves throughout tropical and subtropical waters within its range.
		Nurse sharks have proven to be a hardy, adapatable species - capable of surviving a relatively broad range of temperatures and dissolved oxygen levels.
	www.seaworld.org /animal-info/animal-bytes/animalia/eumetazoa/coelomates/deuterostomes/chordata/craniata/chondrichthyes/selachii/orectolobiformes/nurse-shark.htm (854 words)

	Grey Nurse Shark - Wikipedia, the free encyclopedia
		The grey nurse, spotted raggle-tooth or sand tiger (Carcharias taurus) is a large shark inhabiting coastal waters worldwide, with many different names in different countries in the world.
		This process, also known as intra-uterine cannibalism, is making it harder for the shark population to rebound from the near extinction.
		As a result, scientists are working on a plan to artificially inseminate and breed the sharks with test tubes, in order to increase their population.
	en.wikipedia.org /wiki/Grey_Nurse_Shark (480 words)

	Grey Nurse Shark, Carcharias taurus
		Grey Nurse Sharks are found in tropical and temperate waters in the Atlantic, Indian and western Pacific Oceans, although the species is known by different common names in different regions.
		The underside of the Grey Nurse Shark's snout is dotted with pores.
		Grey Nurse Sharks are countershaded, the dorsal (upper) part is dark, mostly a grey to bronzy colour whereas the ventral (lower) part of the body is pale.
	www.amonline.net.au /fishes/students/focus/grey.htm (1371 words)

	Florida Museum of Natural History Ichthyology Department (Site not responding. Last check: 2007-10-06)
		The nurse shark is a nocturnal animal that rests on sandy bottoms or in caves or crevices in rock in shallow waters during the day.
		A nocturnal predator, the nurse shark feeds mainly on fish especially stingrays, molluscs (octopi, squids and clams) and crustaceans.
		Although the nurse shark is not an endangered species, its abundance in the littoral waters of Florida has decreased in the past decades.
	www.flmnh.ufl.edu /fish/Gallery/Descript/nurseshark/nurseshark.htm (1608 words)

	Australia Acts to Save Vanishing Grey Nurse Shark (Site not responding. Last check: 2007-10-06)
		The grey nurse shark is a large species of shark native to subtropical to cool temperate waters in the Mediterranean Sea and the Atlantic, Indian and Pacific oceans.
		Grey nurse sharks have a low rate of reproduction, which makes them very vulnerable to threatening processes and very slow to recover when their populations are reduced.
		A draft code of conduct for scuba diving with grey nurse sharks is being developed by NSW fisheries that would ban night dives in critical habitat areas, a ban on blocking cave entrances, and a ban on feeding, touching, chasing or harassing the sharks with horns or scooters.
	www.flmnh.ufl.edu /fish/Sharks/InNews/greynurseshark2002.htm (962 words)

	Underwater photography of a Nurse Shark Ginglymostoma cirratum shark cage diving
		Nurse sharks, Ginglymostoma cirratum, are sluggish bottom dwellers, congregating in large schools on the sea floor.
		Nurse sharks are distinguished by fleshy appendages resembling fangs that hang below their nose and provide a sense of touch that helps nurse sharks to locate food on the bottom of the ocean floor.
		Nurse sharks are not usually dangerous, but the will clamp a viselike hold on unwary molesters - such as people who grab a nurse's tail hoping for an underwater ride.
	www.brunsonimages.com /gallery/Sharks/nurse_shark_23.html (236 words)

	Nurse shark
		Female nurse sharks, averaging 7½ to 9 feet (2.2 to 2.7 m) and 165 to 230 pounds (75 to 105 kg), are slightly larger than their male counterparts.
		Nurse sharks are common in tropical and subtropical coastal waters on both sides of North America.
		Nurse sharks are common throughout their range and are not considered threatened or endangered.
	www.aqua.org /animals_nurseshark.html (522 words)

	Nurse Shark
		The Nurse Shark is a large, sluggish bottom-dweller that is considered harmless to humans unless provoked.
		The Nurse Shark is a shallow-water inshore species found near sandy beaches, mudflats, sandbars, and coral reefs, from the tidal line up to 300 feet deep in the water column.
		In Mexico the Nurse Shark is found from Magdalena Bay south along the Pacific side of Baja California, throughout the Sea of Cortez, and along the mainland south to Guatemala; it appears to be absent from around the oceanic islands.
	www.mexfish.com /fish/nshark/nshark.htm (528 words)

	Grey Nurse Sharks - Marine Species Conservation (Site not responding. Last check: 2007-10-06)
		The Grey Nurse Shark (Carcharias taurus) also known as the sand tiger shark or spotted ragged-tooth shark, is one of four species belonging to the family Odontaspididae.
		Grey nurse sharks are often observed just above the sea bed in or near deep sandy-bottomed gutters or rocky caves, in the vicinity of inshore rocky reefs and islands.
		Grey nurse sharks have a broad inshore distribution, primarily in subtropical to cool temperate waters around the main continental landmasses.
	www.deh.gov.au /coasts/species/sharks/greynurse (475 words)

	USF Ichthyology - Nurse Shark
		The nurse sharks exhibits a suite of specializations for suction capture including (1) the formation of a small, laterally enclosed mouth, (2) small teeth, (3) buccal valves to prevent the backflow of water, and (4) extremely rapid buccal or mouth expansion.
		Nurse sharks are hardy animals and do well in captive conditions, which makes them a popular species in the aquarium trade.
		Specific questions that need to be addressed are whether or not the nurse shark modulates its feeding behavior based on the type of prey it is feeding on and in what ways suction feeding differs from other feeding methods in other sharks.
	luna.cas.usf.edu /~motta/nurse.htm (624 words)

	nurse shark \| killer shark live \| five.tv
		The nurse shark clings to shallow sand flats, channels and coral reefs where they feed on bottom-dwelling creatures such as spiny lobsters, crabs, squid, snails and sea urchins as well as fishes including stingrays and puffers.
		The meat of a nurse shark is edible but they are hunted mainly for their skin which makes tough and durable leather.
		Although they have no regular predators, remains of nurse sharks have been found in the stomachs of tiger sharks and lemon sharks, and attacks by bulls sharks and great hammerhead sharks have been witnessed.
	www.five.tv /programmes/killersharklive/sharks/nurse (200 words)

	Ginglymostoma cirratum, Nurse Shark at MarineBio.org
		The Nurse is a common reef-associated bottom-dwelling shark found in brackish and marine environments in the shallows to 100 m.
		Nurse sharks are non-aggressive and will generally swim away when approached; they are one of the most docile animals in the sea.
		Nurse sharks can switch to this respiratory system when they are at rest, saving energy and the neccesity to swim to move water and oxygen over their gills.
	marinebio.org /species.asp?id=91 (740 words)

	Fish of the Month
		While most sharks are pelagic creatures that are rarely seen by divers, the nurse shark is one of the few that stay in the shallows.
		Nurse sharks are ovoviviparous, meaning eggs incubate and hatch inside the female, then live birth occurs.
		In the Pacific, the nurse shark is found from the Gulf of California to Peru.
	www.reef.org /member/forum/fom/nov04.htm (385 words)

	Nurse Shark. Nurse shark detailed information, pictures and links.
		Sharks - Sharks are amazing fish that have been around since long before the dinosaurs existed.
		Nurse sharks range in size from about two to 13 feet (0.75-4 m) long.
		Nurse sharks live in warm waters and are shallow-water sharks (going from the surface to 230 feet - 70 m deep).
	www.maneatingsharks.com /Nurse_Shark.htm (502 words)

	Nurse Shark (Site not responding. Last check: 2007-10-06)
		Nurse sharks are common in the tropical waters of the Western Atlantic.
		Nurse sharks hardly move at all during the daytime, and researchers believe that they inhabit one location for much of their lives.
		Since Nurse sharks prefer warm temperatures and feed on non-migratory animals such as spiny lobsters, small squid, and mollusks, these sharks stay in the same tropical locations all their lives.
	www.oceanofk.org /tag/Nurse (268 words)

	Grey nurse shark - Carcharias taurus
		Grey nurse sharks are often observed hovering motionless above the seabed at depths of 15-25 m, usually in or near sand gutters or rock caves in the vicinity of inshore reefs.
		Grey nurse sharks are embryonic cannibal livebearers, with the largest and most advanced embryo in each horn of the uterus eating less advanced eggs and embryos (Gilmore et al., 1983).
		In the past, grey nurse sharks were fished commercially throughout their range, although they are of variable economic importance regionally (Compagno, 1984).
	www.asfb.org.au /research/tsp/tfp_gnshark.htm (519 words)

	Orectolobiformes: Carpet Sharks
		A representative orectoloboid, the Nurse Shark (Ginglymostoma cirratum), showing the finger-like nasal barbels, short, transverse mouth completely in front of the eyes, overlapping fourth and fifth gill slits, dorsal fins far back on the body, and horizontal caudal fin with weakly developed lower lobe characteristic of the group.
		The Epaulette Shark is restricted to shallow coral reef areas of northern Australia and New Guinea, where it ranges from the intertidal to a depth of about 30 feet (10 metres).
		The Whale Shark feeds at or near the surface, sometimes assuming a vertical orientation with its terminal mouth uppermost.
	www.elasmo-research.org /education/shark_profiles/orectolobiformes.htm (1307 words)

	Gulf Of Mexico
		Bull Sharks (Carcharinus leucas) are grey with an off-white underside.
		A Nurse shark has conical teeth which it uses for crushing the shells of crabs and mollusks.
		Nurse sharks replace a row of teeth about every two weeks during warm weather.
	www.oceanofk.org /sharks/gulfOfMexico.html (1150 words)

	National Geographic Channel USA: Crittercam, Nurse Sharks
		Crittercam is on assignment in the tropical waters of southern Florida, where nurse sharks grant us a rare glimpse into the trials and tribulations of shark mating.
		Nurse sharks are homebodies, almost never venturing more than 50 miles from where they were born.
		Wes's past research (you will need Adobe Acrobat) on the biology of sharks such as the great white, nurse shark, blue shark, shortfin mako and sandbar shark has lead to his current focus on shark nursery grounds along the Atlantic Ocean and Gulf of Mexico, with focus on the Florida Keys.
	channel.nationalgeographic.com /channel/crittercam/show_description_2.html (721 words)

	Animals @ Melbourne Aquarium
		Grey Nurse Sharks have the ability to throw their jaws up to 15 cm from their mouth, making it easier to grab fleeing prey.
		For this reason the Grey Nurse Shark is not a ‘people-eater’ as previously thought, as they are not capable of consuming prey items larger than their mouth.
		It became the first shark to be protected by law in NSW in 1984 — it was also the first shark to be protected in the world.
	www.melbourneaquarium.com.au /viewanimal.asp?animalid=112&category=&page= (539 words)

	Animal Database (Site not responding. Last check: 2007-10-06)
		The nurse shark is large with a moderately fusiform body and a long distinct caudal fin (tail).
		Nurse sharks feed primarily in sandy areas near reefs preying on cephalopods, particularly octopus and squid, other invertebrates and slow swimming reef fishes.
		The nurse shark is primarily active at nighttime.
	www.aquariumofpacific.org /ANIMAL_DATABASE/animaldb.asp?id=40 (310 words)

	Scientists Study Nurse Shark Mating Habits (Site not responding. Last check: 2007-10-06)
		Nurse sharks are among the most common shark species.
		That's important for the nurse shark, and perhaps for the understanding of other shark species as well, because nurse sharks are not subject to the human pressures threatening other sharks.
		Sharks are the apex predators of the ocean ecosystems, the lions and tigers of the sea.
	news.nationalgeographic.com /news/2002/06/0626_020626_sharkexp1_2.html (1358 words)

	Shark Pictures - Underwater Stock Photography
		Whenever we tell someone that we scuba dive, the first question is often "What about sharks?" The truth is that with the exception of nurse sharks, we have only seen sharks about half a dozen times on over 300 dives, and they usually take one look at us and turn tail and swim away.
		Nurse sharks are abundant on Caribbean reefs, but they are more like big catfish than sharks.
		We feel that the banning of shark feeding dives such as the recent law passed by the State of Florida is a reaction based on fear and ignorance of these remarkable creatures, for which we can mostly thank Hollywood.
	www.cdislands.com /html/photos_subject/photos_animals_fish_sharks.htm (278 words)

	Lesson Plans - What Do We Know About Nurse Shark Mating?
		Nurse sharks live in warm, shallow waters in the Atlantic, Pacific, and Indian oceans.
		Explain to the class that nurse shark mating behavior (as with all sharks) is largely a mystery to scientists, but that they are trying to use Crittercam to learn more about how and where nurse sharks mate.
		Nurse sharks are not ready to mate until they are 18–24 years old.
	www.nationalgeographic.com /xpeditions/lessons/08/g35/ccnurseshark.html (1353 words)

	Shark attack!
		Nurse sharks are not agressive unless you try to hurt them.
		In Aruba, they used to have sharks on the other side of the island, mainly because they would feed them the carcasses of the cattle that they served up in their restauraunts.
		In all his dives there, the only shark other than nurse sharks that he ever saw was a small fl tip reef shark that he caught deep sea fishing, a couple of miles off the shore.
	www.locogringo.com /forums/printable.asp?m=51651 (1048 words)

	Tawny Nurse Shark (Nebrius ferrugineus) Ginglymostomatidae. (Site not responding. Last check: 2007-10-06)
		This is a large shark, growing from a length of 40 cm at birth to reach over three metres.
		The Tawny Nurse Shark's common name is derived from its ability to suck up prey using a powerful sucking motion with its throat, just like a baby being nursed.
		The Tawny Nurse Shark (Nebrius ferrugineus) is found in the Pacific and the Atlantic Nurse Shark (Ginglymostoma cirratum) in the Atlantic.
	www.marinethemes.com /nursesharks.html (199 words)

	Where did "Nurse" shark come from?
		It is worth noting in passing that the Nurse Shark of the central and western South Pacific and Indian oceans is not the familiar Ginglymostoma cirratum of the Atlantic and eastern Pacific, but the Tawny Nurse Shark, Nebrius ferrugineus (= N. concolor).
		Although the nurse and tawny sharks superficially resemble one another, the latter is readily distinguished from the former by the pointed apices of its pectoral, dorsal, and anal fins, narrowly falcate pectoral fins, and laterally compressed teeth in the sides of the jaw.
		Superficially resembling the Nurse Shark (Ginglymostoma cirratum), these Tawny Nurse Sharks (Nebrius ferrugineus) can be most easily distinguished by their acutely pointed pectoral, dorsal, and anal fins (these fins are bluntly rounded in the Nurse Shark -- compare with the illustration above).
	www.elasmo-research.org /education/topics/ng_nurse_name.htm (948 words)

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