They are born fully developed, may be up to 4 feet long and ready to look after itself. Ditch the disposables and make the switch to sustainable products. Bull sharks get their name from their short, blunt snout, as well as their pugnacious disposition and a tendency to head-butt their prey before attacking. Bull sharks usually live for 12 to 16 years, but one bull shark in captivity was recorded living to 30 years old. Historically, they are joined by their more famous cousins, great whites and tiger sharks, as the three species most likely to attack humans. While it would have been quite a distance to travel for a bull shark, there have been reports of these creatures making their way hundreds of miles inland through river systems. The lifespan of bull sharks … A baby bull shark will be in gestation for 12 months before born. One study has found that their average lengths have declined significantly over the past few decades. Adults usually weigh between 200 and 500 pounds (91 to 227 kilograms). Unlike most sharks, bull sharks can survive in freshwater for long periods of time. Bull sharks are often considered to be the most dangerous sharks to humans because of their aggressive tendencies and ability to migrate up rivers. Bull sharks are aggressive, common, and usually live near high-population areas like tropical shorelines. More than one-third of U.S. fish and wildlife species are at risk of extinction in the coming decades. In a typical year, fewer than 20 people die by shark attack, but more than 20 million sharks die in relation to the fishing industry. Scientists have been quick to point out that this particular species of shark has been able to adapt to living in freshwater environments, including rivers and lakes. The farthest inland a bull shark has been encountered was in the Mississippi River by Davenport, Iowa. It was there that two commercial fishermen in 1937 noticed that their mesh traps were consistently getting raided by a large predator. The farthest inland a bull shark has been encountered was in the Mississippi River by Davenport, Iowa. Bull sharks are found in coastal waters all over the world. However, shark attacks are extremely rare. Bull sharks are distinguished from other sharks by their body’s high width-to-length ratio, giving them a stout appearance. John O'Keefe, a Canadian tourist, captured the 3,000-pound beast They are often found in shallow bays and near the mouths of rivers. In addition, some bull sharks are caught for display in aquariums. Bull shark longevity appears to be related to geographic region. Like many fish, bull sharks exhibit countershading, or dark coloration on top and light coloration on the underbelly. There was an alleged attack in Lake Michigan back in 1955 and there have been bull sharks found in Lake Erie. They are intentionally caught for their fins, liver oil, and skin, and are sometimes caught unintentionally as well. Bull sharks are the most common species found in … They live in warm waters, and can travel from the ocean into rivers and lakes. They have even been found in the Mississippi and Amazon Rivers. Bull Sharks are summer visitors to Chesapeake … In 2010, a commercial fisherman in Olmsted, Illinois found a two-foot-long bull shark washed up on a boat ramp, according to KFVS. They have even been found in the Mississippi and Amazon Rivers. While bull sharks are commonly found along coastlines, bays, and harbors, they also frequent a most uncommon shark habitat—freshwater rivers. In the United States they are found off the East Coast and in the Gulf of Mexico. Unlike most sharks, bull sharks can survive in freshwater for long periods of time. In the Atlantic Ocean, it is located from the United States to Brazil and from Morocco to Angola. Bull sharks can be most commonly found in shallow coastal waters and near tropical shorelines. Bull sharks rarely come together, except to mate. Among the most likely sharks to attack humans, bull sharks favor shallow coastal waters—the same places humans prefer to swim. In the northern Gulf researchers found that female bull sharks … These fish are listed as near threatened. Offspring are usually born in the spring or summer, except in warm climates where young may be born year-round. Photograph by Mattias Klum, Nat Geo Image Collection, https://www.nationalgeographic.com/animals/fish/b/bull-shark.html. They are gray on top and white below, and the fins have dark tips, particularly on young bull sharks. Attend a virtual roundtable to learn about the challenges Black people face when accessing and enjoying the outdoors, and learn about ways in which we can address barriers and challenges. Animal Diversity Web, University of Michigan Museum of Zoology. Adult sharks tend to hunt by themselves. The bull shark pictured above was caught by fisherman Terry Hessey not in the Ohio River, but a world away at the mouth of the Brisbane River in Australia. Gleason Park’s freshwater pond located in Indian Harbour Beach is home a variety of species including turtles, carp and tilapia. Bull sharks range from 7 to 11.5 feet in length, can weigh between 200 and 500 pounds. Their first dorsal fins are large and broadly triangular, while their second dorsal fins are significantly smaller than the first. Bull sharks are found in coastal waters all over the world. The … Females grow larger than males. They are not bothered by brackish and freshwater, and even venture far inland via rivers and tributaries. Shark populations are falling… There are about 500 different species of sharks in the world, and … The Bull shark is found in tropical and subtropical coastal waters worldwide as well as in many river systems and some freshwater lakes. They have been recorded in rivers hundreds of miles from the sea but are most commonly found in marine, estuarine environments close to shore (Simpfendorfer and Burgess 2009). The sharks eat mostly fish, but can also eat other shark species, marine mammals, birds, and turtles. In 4 seconds, you will be redirected to nwfactionfund.org, the site of the National Wildlife Action Fund, a 501(c)(4) organization. The top side of the shark ranges in color from pale to dark gray, fading to white on underside. The Bull Shark prefers waters less than 100 feet deep, but can also range from 300-450 feet deep. In the Indian Ocean, it is present in waters ranging from South Africa to Kenya and from India and Vietnam to Australia.It is one of the few species of sharks prepared to inhabit saltwater and freshwater, in the latter for a long time. We're on the ground in seven regions across the country, collaborating with 53 state and territory affiliates to reverse the crisis and ensure wildlife thrive. While it seems unlikely that bull sharks would inhabit the Ohio River, it isn’t the first time they have been discovered there. © 1996-2015 National Geographic Society, © 2015- President and CEO Collin O’Mara reveals in a TEDx Talk why it is essential to connect our children and future generations with wildlife and the outdoors—and how doing so is good for our health, economy, and environment. The North Carolina researchers found something similar for cold water: when Pamlico Sound temperatures dropped below 22 degrees Celsius, they didn’t see any large groups of bull sharks. Bull Sharks are found in tropical to subtropical waters worldwide, particularly in shallow water along coasts, in estuaries, and in rivers. Though over 375 shark species have been identified by science, just three species are responsible for most attacks on humans: the great white (Carcharodon carcharias),tiger (Galeocerdo cuvier), and bull shark (Carcharhinus leucas). The reported shark would be a relatively large specimen for the bull shark species, which average less than 8 feet in length and has never been recorded at more than 13.1 feet. Not only are bull sharks found off the American and African coasts of the Atlantic Ocean and the African coast of the Indian Ocean — they’re also found in the murky waters of … Bull sharks can thrive in both salt and fresh water and can travel far up rivers. These large stout sharks are found in both salt and fresh water. They are viviparous marine animals which born baby sharks, or pups, in much the same way as human beings and other mammals. Bull sharks have short, blunt snouts. But from below, its white belly blends into the sunlit waters above. In the United States they are found off the East Coast and in the Gulf of Mexico. The furthest inland a bull shark has ever been seen in North America is Alton, Ill. Alton sits along the Mississippi River about 15 miles north of St. Louis, and 1750 miles from the Gulf of Mexico. Because of these characteristics, many experts consider bull sharks to be the most dangerous sharks in the world. Bull shark distribution is along the coastal waters of tropical and subtropical seas around the world. This helps the animals blend into their surroundings—from above, its dark back blends into the murky water below. They have been known to travel up the Mississippi River as far as Alton, Illinois, abou Bull sharks are fished widely for their meat, hides, and oils, and their numbers are likely shrinking. Bull sharks are commonly found worldwide in coastal areas of warm oceans, in rivers and lakes, and occasionally salt and freshwater streams if they are deep enough. Bull sharks … A bull shark has been spotted in a landlocked pond in Florida. Uniting all Americans to ensure wildlife thrive in a rapidly changing world, Inspire a lifelong connection with wildlife and wild places through our children's publications, products, and activities, National Wildlife Federation is a 501(c)(3) non-profit organization. Male bull sharks grow to about seven feet (2.1 meters) in length, and females grow to 11 feet (3.3 meters) or more. Anywhere, any time. For instance, bull sharks have been found up the Mississippi River as far as Illinois, Minnesota and Wisconsin. Humans are not, per se, on their menus. There are also Greenland Sharks in the Quebec area (about 400km North of Quebec City) and they started out in the frigid waters under the ice near the polar ice caps. Bull sharks are the most common species found in Texas, and our bays serve as nursery areas for the juveniles. They are medium-size sharks, with thick, stout bodies and long pectoral fins. They may mature at 15 to 20 years, (Blassingame, 1984). Waukegan, IL | The capture of a 3,000-pound great white shark in Lake Michigan yesterday could explain the disappearance of hundreds of missing people in the region in the last decade, has confirmed the U.S. Coast Guard this morning. It is found to a depth of 150 m (490 ft), but does not usually swim deeper than 30 m (98 ft). Bull sharks usually mate during late summer and early autumn in the water of river mouths. All rights reserved. However, they frequent the turbid waters of estuaries and bays, and often attack people inadvertently or out of curiosity. Younger sharks have black tip… Most bull sharks reside in waters less than 100 ft. deep. The bull shark, also known as the "Zambezi shark" in Africa, and "Lake Nicaragua shark" in Nicaragua, is a requiem shark commonly found worldwide in warm, shallow waters along coasts and in rivers. Studies of bull sharks in the southern Gulf of Mexico indicate that they can reach an age of 28 years for females and 23 years for males. These also happen to be at the same places frequented by human beings for recreational purposes and thereby pose the greatest threat to humans. Search, discover, and learn about wildlife. While at the mouth of the St.Lucia estuary, we witnessed a Bull-Shark hunting fish up and down the lake. They prefer shallow coastal water, which means they can often come into contact with humans. They are found in coastal waters … Bull sharks have special glands and kidney functions to help their bodies retain salt while in freshwater. 2020 National Geographic Partners, LLC. They are found cruising the shallow, warm waters of all the world’s oceans. There are even constant populations in a number of major rivers, including the Mississippi River, the Brisbane River, the Amazon River, and more. The bull shark weighed 368 pounds, measuring nearly 8 and a half feet long, in about four feet of water. A bull shark would indeed be more likely spotted in the Sirena River (which is located in Corcovado National Park in Costa Rica) than a great white shark … The bull shark is not a picky eater. They have been reported 3700 km (2220 miles) up the Amazon River in Peru, and over 3000 km (1800 miles) up the Mississippi River in Illinois. Although rare, bull sharks have also been recorded eating other bull sharks. Bull sharks are aggressive, common, and usually live near high-population areas like tropical shorelines. It has been recorded in 69 unprovoked … Great Whites get most of the headlines but Bull Sharks may be the most dangerous shark of them all. A bull shark is the only shark capable of surviving in freshwater, but would a bull shark have made a 1,000-mile-plus swim up the Mississippi River from the Gulf Coast? Pectoral fins are large and angular. Bull sharks are the most common species found in … Bull Sharks are able to enter freshwater and have been found up to 1,700 miles up the Mississippi River, 2,400 miles up the Amazon River, and even living in a landlocked water hazard at an Australian golf course. The bull shark (Carcharhinus leucas) is an aggressive shark found throughout the world in warm, shallow waters along coasts, in estuaries, in lakes, and in rivers.Although bull sharks have been found inland as far as the Mississippi River in Illinois, they aren't a true freshwater species. It is known for its aggressive nature, and presence in warm, shallow brackish and freshwater systems including estuaries and rivers. Just so everyone is aware, bull sharks have been seen in the Great Lakes. The bull shark … Fast, agile predators, they will eat almost anything they see, including fish, dolphins, and even other sharks. 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