Thursday, November 15, 2012

Bull Shark


Animal You | Bull Shark | The bull shark is generally warm global coastal waters, rivers and lakes, rivers and salt and fresh water from time to time, if they are deep enough. Populations of bull sharks are also several major rivers, with more than 500 bull sharks probably live in the Brisbane River. A large bull shark was caught in the canals of Scarborough, two hours north of the Gold Coast. The shark has traveled 4,000 kilometers (2,500 miles) from the Amazon to Iquitos, Peru. The bull shark is generally fertile in the warm waters and coastal estuaries of the Mozambique Channel and south, including KwaZulu-Natal and Mozambique.

After Hurricane Katrina, many bull sharks were spotted in Lake Pontchartrain. Bull sharks sometimes spent the Mississippi River in Alton, Illinois. The bull shark is the best of 43 species of elasmobranch in ten genera and four families have been reported in freshwater. Some breeds (Rajidae), smooth dogfish (Triakidae) and gray reef sharks (Carcharhinus plumbeus) regularly enter estuaries.

This leads to a large flow of water through the gills osmosis and loss of body sodium and shark chloride. however, freshwater bull sharks in possession of several organs, which are suitable for the conservation of the balance of salt and water, rectal gland, kidney, liver and gills. elasmobranch rectal gland Any of the excretion of excess salt works living in sea water accumulated. freshwater bull sharks reduced the sodium chloride urinary rectal gland activity retained.

At first, scientists thought the sharks in Lake Nicaragua belonged to an endemic species, the Lake Nicaragua shark (Carcharhinus nicaraguensis). A bull shark feeding consists mainly of bony fish and sharks as the bull shark, on the other hand, but also turtles, birds, dolphins, terrestrial mammals, crustaceans, echinoderms and races. Bull sharks have been known to use the technique of strikes and bites its prey. Bull sharks are usually solitary hunters, but sometimes hunt in pairs. Often cruise the shallow waters.

One or more bull sharks may be responsible for shark attacks Jersey Shore in 1916, which is the source of inspiration for Peter Benchley Shark new. Speculation bull sharks can charge on the basis of a series of attacks that occur in fresh and brackish water, and there are similarities in bite marks between bull and great white sharks. The bull shark is responsible for attacks across the entrance to Sydney Harbour. Most of these attacks were previously attributed to great white shark. In India, the bull shark attacked swim along the corridor and people. Many of these attacks were the Ganges shark, Glyphis gangeticus, a species endangered river shark shark probably the only one in India, claimed to be able to survive in fresh water, although the gray nurse shark was also accused in the sixties and seventies. Bull sharks mate in late summer and early autumn, often in the brackish water of river mouths. After 12 months of pregnancy, a bull shark give birth to young 10:04.
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