According to many experts, bull sharks are one of the most dangerous sharks in the world. Be cautious if spearfishing. This sample is exclusively for KidsKonnect members!To download this worksheet, click the button below to signup for free (it only takes a minute) and you'll be brought right back to this page to start the download! Our overarching zoological mission is to foster conservation awareness and to impart action on our park guests to preserve wild animals and wild places. If they did not, their cells would rupture and they would die. Although number of bull sharks decreased significantly in the last couple of decades, bull shark is not on the list of endangered species. Crazy about roller coasters? An adult female bull shark can live to about 17 years of age while males live for about 13 years. It is known for its aggressive nature and ability to migrate up rivers. Bull sharks have special glands and kidney functions to help their bodies retain salt while in freshwater. Bull sharks are the most common of about 6 species of river sharks: Ganges sharks (Glyphis gangeticus), speartooth sharks (Glyphis glyphis), Irrawaddy rivers sharks (Glyphis siamensis), Borneo river sharks (Glyphis sp. Not ready to purchase a subscription? The bull shark species are migratory.
Snout is wide and equipped with sharp, triangular teeth. The horizontal keel on the caudal peduncle of some sharks is an adaptation for fast swimming. When they are in saltwater, they mainly eat bony fish, stingrays, dolphins, turtles, crustaceans and even other sharks. Bull sharks are known to approach spearfishermen carrying their catch. The bull shark is sometimes referred to as the pit bull of the sea due to its highly aggressive nature when attacking. They have two dorsal fins, an elongate upper tail lobe, and single-cusped, blade sharp teeth. Their hides are sold for leather, their liver for oil, and their carcass for fishmeal. Offspring are usually born in the spring or summer, except in warm climates where young may be born year-round.
This species is known by several different names depending on its whereabouts: Zambezi shark, Nicaragua shark, Fitzroy Creek whaler, Swan River whaler or Ganges River shark. However, there is a very unique shark that
Gills located on the side of a shark’s head are for respiration. They use their keen sense of smell to find their prey.
Females are heavier, but shorter than males. They are cousins of the famous great whites and tiger sharks. Bull Shark, Carcharhinus leucas Valenciennes, 1839 – Australian Museum Simpfendorfer, C. & Burgess, G.H. They are able to reduce the concentration of salt and urea in their blood by peeing a lot.
They are known to wander alone but sometimes hunt in groups.
Do not duplicate the practices of some television “adventurers” who flagrantly disregard common sense while showboating around sharks. Since 1998, The MarineBio Conservation Society has been a nonprofit volunteer marine conservation and science education group working online together to educate the world about ocean life, marine biology, marine conservation, and a sea ethic. For example, its nose can smell prey from a mile away. Bull sharks mate during summer or autumn, often in brackish waters.
Bull sharks can survive in brackish water (mixture of salty and fresh water), but they can be also found in the Amazon and Mississippi rivers and in various lakes. Current IUCN Conservation Status of Bull Sharks|Conservation Evidence|NOAAUNEP World Conservation Monitoring Centre: Bull Sharks|Check the Seafood Watch List for this species. In the Indian Ocean, you can find them from along the coastlines of Africa and India to Vietnam and Australia. The bull shark is a requiem shark, which are mostly aggressive hunters. The Bull shark has many adaptations, most of which have to do with food. Female bull sharks are larger than males simply because they generally live longer and continue to grow throughout their lifespan. B), and New Guinea river sharks (Glyphis sp. Free Returns 100% Satisfaction Guarantee Fast Shipping The male bull shark is able to begin reproducing around the age of 15 years, while the female cannot begin reproducing until the age of 18 years. So it can arch its body to its side and swim like that. As part of the bull shark’s survival mechanism, they throw up the food in their stomachs and use it as a distraction technique to escape while a larger predator moves in to eat the vomited food. 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. Bull sharks tend to hunt in waters where people swim, warm, shallow waters. In: IUCN 2009. Male bull sharks grow to about seven feet (2.1 meters) in length, and females grow to 11 feet (3.3 meters) or more. Their jaw is stuffed with hundreds of wide, triangular, serrated teeth that are about 1.5 inches long, perfect for tearing the flesh of their prey. The first dorsal fin is broad and triangular and less than 3.2 times height of second dorsal fin. Go behind-the-scenes to see how our trainers care for and interact with these amazing animals, and get up close with some finned, flippered, or feathered friends. This helps the animals blend into their surroundings—from above, its dark back blends into the murky water below. Download free teacher guides to keep students learning in a hands-on way: includes vocabulary, classroom activities, goals and objectives.
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