Fast, agile predators, they will eat almost anything they see, including fish, dolphins, and even other sharks. Humans are not, per se, on their menus. However, they frequent the turbid waters of estuaries and bays, and often attack people inadvertently or out of curiosity.
Bull sharks are fished widely for their meat, hides, and oils, and their numbers are likely shrinking. One study has found that their average lengths have declined significantly over the past few decades. All rights reserved. Common Name: Bull Shark. Scientific Name: Carcharhinus leucas. Type: Fish.
Diet: Carnivore. Group Name: School, shoal. Size: 7 to Weight: to pounds. Size relative to a 6-ft man:. Near threatened. Least Concern Extinct. Current Population Trend: Unknown. Bull sharks, however, can live in captivity for 25 years or more. In North America, you can see them at the Oklahoma Aquarium, which houses 10 bull sharks in a nearly ,gallon tank. Scientists used to think that the large-bodied sharks that periodically attack locals in Lake Nicaragua—the biggest lake in Central America—represented their own, distinct species.
The course is next to the Logan River, which flooded several times in the s. At some point, newborn bull sharks were probably swept into the brackish, landlocked lake that sits beside tees 12 through 15, and were trapped there when the Logan receded. The lake is spacious about 50 acres, or the size of Grand Central Terminal and stocked with fish—good news for the sharks. The first shark fin sightings were quickly dismissed.
But by , there were photos, and a YouTube video taken by Wagstaff went viral. For obvious reasons, ball retrieval has been prohibited. Female bull sharks of reproductive age have scars behind their skulls: A male bites his partner to hang on during coitus a behavior that appears to be common , then uses one of his claspers —a pair of fin extensions located under the pelvic area—to insert sperm into her cloaca.
Following a to month gestation period, the female will give birth to a litter of pups. Newborns typically range between 22 and 32 inches long. But the three shark species that are most commonly implicated in attacks on people are, in order, the great white shark, the tiger shark, and the bull shark. Bull sharks have been involved in at least documented cases, and there's an explanation for that: They frequent shallow, coastal waters in tropical regions and often stray into brackish and fresh water—all places where humans can be found.
Since bull sharks lack eye-catching markings or facial features, it can be difficult to identify them. This is why some experts wonder if bull sharks might have been responsible for certain attacks that were blamed on great whites, Ganges river sharks Glyphis gangeticus , or other species. Though a lifeguard managed to rescue him, the man died of blood loss.
Five days later, a bell captain lost both legs in a shark attack near Spring Lake. We're on the ground in seven regions across the country, collaborating with 52 state and territory affiliates to reverse the crisis and ensure wildlife thrive. 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. In 4 seconds , you will be redirected to nwfactionfund.
The National Wildlife Federation. Bull Shark. Classification: Fish. Range Bull sharks are found in coastal waters all over the world.
Diet The bull shark is not a picky eater. Life History Bull sharks rarely come together, except to mate.
Conservation These fish are listed as near threatened. Fun Fact Bull sharks have special glands and kidney functions to help their bodies retain salt while in freshwater. Donate Today. Sign a Petition. Donate Monthly. Nearby Events.
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