Nevertheless, as we mention before, blue shark lifespan lowers down to 8 years when held in captivity, perhaps as a result of the inactivity inherent to captivity. https://animals.fandom.com/wiki/Bull_Shark?oldid=76403. The bull shark is highly migratory, moving easily into freshwater reaches of rivers. Bull sharks have small eyes relative to most other carcharhinid sharks which suggests that vision may not be as important for this species which often occurs in turbid waters. It should not be confused with the sand tiger shark (Carcharhinus taurus), which is also called bull shark in other languages.. Bull sharks are often considered to be the most dangerous sharks to humans because of their aggressive tendencies and ability to migrate up rivers. It is found in tropical and subtropical coastal waters worldwide, as well as river systems and freshwater lakes.. Bull sharks need salt in their body to survive. After gestating for 12 months, a bull shark may give birth to 1 to 13 live young. Although most of them live 20 to 30 years in the wild, there are some that live much longer than others. Bull sharks can also tolerate hypersaline water as high as 53 parts per thousand (Simpfendorfer and Burgess 2009). This is one of 43 shark species that can live in both seawater and freshwater. They feed on other sharks, fish, dolphins, turtles, birds and almost any other source of meat they can find. This predominately (sic) saltwater predator is big, fast and armed with a lethal set of jaws and teeth. Different species of shark grow at different rates. Bull sharks give live birth and the gestation period (conception to birth) is 12 months. Category: Shark. Bull sharks are one of the three most dangerous species, beside the Great white shark and Tiger shark It would not be surprising if the bull shark would turn out to be the most dangerous shark species, because of its large size, massive jaws, proportionately very large teeth and abundance in the tropics. There is no accurate data available about how long a Bull Shark can live to. It is known for its aggressive nature, and presence in warm, shallow brackish and freshwater systems including estuaries and rivers. When excess salt accumulates in its body, a rectal gland excretes the excess. The bull shark is highly migratory, moving easily into freshwater reaches of rivers. Shark lifespan vary by kind and it is very different for each of them. Bull sharks have a lifespan of about 12 years in the wild. Even after maturity (when they are able to reproduce), they continue to grow, but at a slower pace. Lately, GPS technology has provided a new approach to tracking migration patterns and life habits of sharks, providing more precise data about them. In the wild, the average life span of the bull shark is 16 years. Bull sharks usually live for 12 to 16 years, but one bull shark in captivity was recorded living to 30 years old. OUR DATA: We use the most recent data from these primary sources: AnAge, UMICH, Max Planck, PanTHERIA, Arkive, UKC, AKC. However, they are known to live to ages of around 15 to 20 years. The bull shark (Carcharhinus leucas), also known as the "Zambezi shark" (informally "zambi") in Africa, and "Lake Nicaragua shark" in Nicaragua, is a requiem shark commonly found worldwide in warm, shallow waters along coasts and in rivers. Reid Coley our Dive Master from Panama City Dive Charters points out a Bull Shark during an awesome dive at Bridge Span 14. Females Bull shark usually have between 4 and 10 babies per mating season. Argentine Angel Sha... Atlantic sharpnose ... Australian blacktip... Basking shark. For example, the spiny dogfish has one of the longest lifespans on Earth with more than 100 years, while the blue shark in the wild has an average life expectancy of 15-16 years. Predators can be avoided to help prolong life as well. They are viviparous, born live and free-swimming. It is extremely territorial which is the reason why they are blamed for the most attacks on humans. Blue shark. They generally do not live in fresh water, with a few exceptions such as the bull shark and the river shark which can swim both in seawater and freshwater. The age of the bull shark depends on the various conditions like water, availability of food, and fisherman as well. Greenland sharks have the longest known lifespan of all vertebrate species (estimated to be between 300–500 years), and the species is among the largest extant species of shark. Bull sharks are aggressive, common, and usually live near high-population areas like tropical shorelines. Research made by Joung (2004) identified this to be about 20 years, while Sminkey (1996) mention that sandbar sharks can live more than 30 … The repercussion of captivity in the lifespan of Leopard Sharks is certainly dramatic; if they are in small tanks, they have a low expectancy of approximately nine years while large aquarium tanks can help them to have a longer life that can reach up to 25. Sandbar sharks or Brown sharks are considered to live between 20 and 30 years. Bull sharks reach sexual maturity between the ages of 8 and 10. Designed by Elegant Themes | Powered by WordPress. It should not be confused with the sand tiger shark (Carcharhinus taurus), which is also called bull shark in other languages.Many people consider the bull shark one of the most dangerous sharks in the world since this species has many attacks on humans registered, and according to the Internation Shark Attack File, it is the third species with most attacks on humans, only af… Even more, the life expectancy of sharks in captivity is considerably shorter than those in the wild, making impractical to generate deductions from those individuals in aquariums. The scientific name of the bull shark is Carcharhinus leucas. It is extremely territorial which is the reason why they are blamed for the most attacks on humans. Avg 16 years in wild. Counting the quantity of growth rings that develop on their vertebrae can determine the age of the silky or Blackspot sharks as with other species, with each ring standing for around one year of life. 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