[1], The Nurse shark is common in the coastal tropical and subtropical waters of the eastern Pacific and the Atlantic Ocean. The babies have spotted skins. It is a warm-water fish that likes to swim in shallow water. Averaging 2.2-2.7 metres (7.2-9 feet) in total length, and weighing 75-105 kg (165-232 pounds), adult females reach a larger size than adult males which are around 2.1-2.6 metres (7-8.5 feet) long, and weigh around 90-120 kg (198-265 pounds). You can read our other articles about sharks. 18 Interesting Facts You Should Know About Whippet - Duration: 2:31. Mating season occurs between June and July. Nurse sharks are nocturnal, and are very sluggish and are harmless unless bothered. [3], The Nurse shark is a nocturnal predator, and hunts alone. Learn 50, Do you know about less popular sharks like. They also live in large groups that can have up to 40 members. The young are born with spots, which fade as the sharks grow older. Most of the water on earth is in the oceans. Nurse sharks have the simplest type of tooth arrangement found in sharks. Also, teeth replacing occurs faster in summer, when water temperatures are higher. It has a flattened body and a broad, rounded head with two conspicuous barbels between the nostrils, which it uses to find food. Also, there have been reports of Bull sharks, and Great white sharks feeding on Nurse sharks. Content is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. Studies show that Nurse sharks kept out of sunlight become slightly lighter in colour compared to Nurse sharks which are exposed to sunlight. [1], Nurse shark near Manzanillo, Costa Rica – 2011, "FLMNH Ichthyology Department:Nurse shark", http://www.flmnh.ufl.edu/fish/gallery/descript/nurseshark/nurseshark.htm, "Nurse Shark-Animal Facts and Information", "Nurse Sharks, Ginglymostoma cirratum~MarineBio.org", https://wiki.kidzsearch.com/w/index.php?title=Nurse_shark&oldid=4714273. Nurse Shark Behavior. Also, some Nurse sharks have been reported in the Gulf of Gascogne, in southwest France. Bottom dwelling sharks, like angel sharks and nurse sharks, use this extra respiratory organ to breathe while at rest on the seafloor. Females reach maturity at about 2.3 metres (7.6 feet), and males reach maturity at about 2.1 metres (7 feet). ‘Ginglymostoma’ is a Greek word which means ‘hinged mouth’ and ‘cirratum’ is a Latin term that signifies ‘curled ringlets’. The tail fins of these sharks have unique shape. [1], The Nurse shark is a nocturnal animal that rests on sandy bottoms or in caves or crevices in shallow waters during the day. The strong ones often kill and eat the weak brothers and sisters. [3], The mating season occurs once every 18 months, and lasts from the end of June till the end of July. Nurse sharks have two spineless, rounded dorsal fins, with the first dorsal fin being much larger than the second, and they have one anal fin. The Nurse shark (Ginglymostoma cirratum) is a bottom-dwelling shark, and is the only known species in the genus Ginglymostoma. This not only helps it to conserve energy, it gives the Nurse shark an advantage when it comes to hunting. They move very slowly as they hunt along the bottom. They are considered to be a species of least … Females can give birth to 21-29 pups at a time. The sub-terminal mouth is placed well in front of the eyes, the spiracles are small, and there are long barbels on the mouth. The size of a nurse shark can range from 7.5 to 9.75 feet and weighs around 200 to 330 pounds. The tail fins of these sharks have unique shape. You can ask anything. The litter size of nurse sharks is from 21 to 30 pups. This weekend I am going into hospital for a procedure, so I thought that I would write about the grey nurse shark. Due to its docile nature, nurse shark often becomes prey to spear fishing by humans. It is also used for respiration when the shark's mouth is used for eating. I think it is difficult to associate a nurse with a shark. Young Nurse sharks can replace their teeth quicker than adults. We will answer as soon as possible. As it stays motionless, it's prey usually donesn't notice it, giving the Nurse shark a chance to ambush it's prey. The Nurse Shark is frequently found at depths of one metre or less but may occur down to 12 metres. This species is common in shallow waters throughout the West Indies, south Florida and the Florida Keys. Today there are more than 450 known species of sharks living in our oceans. Sharks have been around longer than dinosaurs but are often misunderstood as terrifying monsters. The average lifespan in the wild for these sharks is from 25 to 30 years. It reproduces pups after every two years. Its common habitats are reefs, channels between mangrove islands and sand flats. The nurse shark (Ginglymostoma cirratum) is an elasmobranch fish within the family Ginglymostomatidae.The conservation status of the nurse shark is globally assessed as being data deficient in- the IUCN List of Threatened Species owing to the lack of information across its range in the eastern Pacific Ocean and eastern Atlantic Ocean. Nurse sharks dwell up to maximum 130 meters in depth. [4], The Nurse shark is one of the few species of sharks that can remain motionless in the water when it wants to. The first dorsal fin is located over the pelvic fins. A shark's spiracle is located just behind the eyes which supplies oxygen directly to the shark's eyes and brain. Nurse sharks are nocturnal and can be found resting on the sea floor during the day, sometimes in piles of up to 40 other nurse sharks. During the day they are going to be virtually inactive. Once the Nurse sharks reach maturity, their growth rates usually become much lower. The number one enemy of a baby is its stronger siblings. Nurse sharks are very active during the night. Approximately 71% of the surface of the world is covered by the five oceans of the world. It has robust, smooth body surface with gray-to-brown color. The caudal fin is more than one quarter of the total shark's length. What is very interesting about Nurse Sharks is that they are nocturnal so they are active at night. They are ovoviviparous, with the gestation period lasting 6 months. Nurse shark (Ginglymostoma cirratum) is a bottom-dwelling shark. Large juveniles and adults are usually found around deep coral reefs, and rocky areas at depths of up to 3-75 metres (10-246 feet) during the daytime, and then they migrate into shallower waters of less than 20 metres (66 feet) deep after darkness. Female shark gets mature at a length of 7.5 feet. Here are some images of the shark. Nurse sharks have two spineless, rounded dorsal fins, with the first dorsal fin being much larger than the second, and they have one anal fin.The first dorsal fin is located over the pelvic fins.The caudal fin is more than one quarter of the total shark's length. Off eastern Pacific, it is found all the way to Peru starting from Gulf of California. A nurse shark’s mouth is filled with rows … Description. Nurse sharks with unusally colours (such as brilliant yellow or milky white) have been reported several times. Cookie Cutter Shark Facts for Kids – Cookie Cutter Shark Interesting Facts, Greenland Shark Facts for Kids – Greenland Shark Interesting Facts & Information, Megalodon Shark Facts for Kids – Megalodon Shark Facts and Information, Tasmanian Devil Facts for Kids – Fun Facts & Information, Wedge Tailed Eagle Facts for Kids – Australian Wedge Tailed Eagle Facts, Harpy Eagle Facts for Kids – Harpy Eagle Fun Facts. Habitat: rocky and coral reefs, caves, shallow waters Location: East Pacific, West Atlantic, and East Atlantic Size: range between 6.5-10 feet long Description: These sharks are social animals who rest on the bottom in groups during the day.Nurse sharks cruise the bottom with their mouths open to suck in prey.They are not aggressive, and are often common in aquariums. Nurse shark has a lifespan of up to 25 years. Here’s 39 interesting facts about sharks to help you appreciate them better… Sharks have survived 5 mass extinctions including the one that killed the dinosaurs. Does not have to keep swimming to breath, as some other sharks do, because they are able to pump water over their gills- This saves energy and is important for bottom dwelling animals. At birth, the size of a pup is 30 centimeters in length. If they are provoked they usually bite, but their bites aren't deadly. They are usually found in groups of up to 40, as they lie very close together, sometimes even piling on one another. So, let us know some facts about nurse sharks. They are often observed at depths of a meter or less within the intertidal zone, though they are known to range down to depths of at least 12 meters (39 ft). However, the maximum size of a nurse shark ever recorded ranges up to 10.1 feet. In addition to swimming near the bottom, the Nurse shark can move around on the sea floor, using its flexible, muscular pectoral fins as limbs. The Nurse shark is common in the coastal tropical and subtropical waters of the eastern Pacific and the Atlantic Ocean. Some content of the original page may have been edited to make it more suitable for younger readers, unless otherwise noted. In the Atlantic, it ranges from Senegal to Gabon, Rhode Island to southern Brazil, and Mexico to Peru. A nurse shark baby is left alone by the mom just after the birth. By using this site, you agree to the Terms of Use Privacy Policy. [1], Nurse sharks are sluggish,[2] and aren’t aggressive towards humans and won’t attack unless they are provoked. Do you have any question regarding these sharks? They are harmless, solitary creatures that hunt at night. Young Nurse sharks up to 1.7 metres (6 feet) are usually found around shallow coral reefs, grass flats or mangrove islands in waters which are 1-4 metres (3-13 feet) deep. Off eastern Atlantic, it is present all the way from Cape Verde to Gabon. They range in length from 2.1-2.7 metres, and weigh 75-120 kg. It has robust, smooth body surface with gray-to-brown color. Off western Atlantic, it is found in southern Brazil, the U.S. and Rhode Island. This means that there is no overlapping between the teeth, and that forward movements of teeth leading to shedding does not depend on other teeth. Feel free to share these photos with friends via Pinterest. They often lie in groups within limestone holes or under rock ledges. They also consume algae, coral, [3] crustaceans (such as lobsters, shrimps, and crabs), sea urchins, snails and bivalves. Content of this web page is sourced from wikipedia ( http://simple.wikipedia.org). 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 been known to repeatedly return to the same caves and crevices in which they have rested before. They have so many rows of razor sharp teeth, that… That makes them vulnerable to predators. Adult Nurse sharks are usually light yellow to dark brown in colour. Nurse shark (Ginglymostoma cirratum) is a bottom-dwelling shark. Himank Nasika 12,292 views. The Nurse […] The baby nurse sharks are about 1 ft (30 cm) long during birth. The nurse shark is light yellowish-brown to dark brown, and some have small dark spots. ... (Leopard Sharks) & Nurse Sharks - Reef Life of the Andaman - Part 2 - Duration: 3:48. Nurse sharks dwell up to maximum 130 meters in depth. The young that are up to 60 cm (24 inches) long have small black spots, with an area of lightness surrounding each spot, covering the entire body. New born Nurse sharks range in length from 28 to 30 cm (11 to 12 inches), with growth rates of 13 cm (5 inches) and 2.3 kg (5 pounds) per year.
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