One of the largest sharks in the world is the tiger shark. The tiger shark’s scientific name is Galeocerdo Cuvier. They are strong, but slow moving, relatively sluggish sharks that spend most of their time near the bottom looking for food. Despite their sluggish appearance, tiger sharks are one of the strongest swimmers of all the Carcharhinid sharks. Once the shark has come close to its prey, a speed burst allows it to reach the intended prey before it can escape (National Geographic).
Tiger sharks are mostly ten to fourteen feet long. Tiger sharks weigh up to 1,400 pounds. Females are larger, and exceptionally big ones can reportedly measure over 16 feet long. The tiger shark is the tenth fastest shark in the world.
The skin of a tiger shark can typically range from blue to light green with a white or light yellow underbelly. This gives the shark the advantage when they are hunting for their prey. When prey looks at the shark from above, the shark will be camouflaged since the water below is darker. And when prey is below the shark and looks up, of course, because of the sun, the shark’s light underbelly will also camouflage the shark. Dark spots and stripes are most visible in young sharks and fade as the shark matures.
The tiger shark’s head is somewhat wedge-shaped, which makes it easy to turn quickly to one side or the other. Tiger sharks also have a sensory organ called a lateral line, which extends on their flanks down most of the length of their sides. The primary role of this structure is to detect minute vibrations in the water. These adaptations allow the tiger shark to hunt in darkness and detect hidden prey easily. A reflective layer behind the tiger shark's retina called the tapetum lucidum allows light-sensin...
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...bony fishes, small sharks, rays, crabs, lobsters, small dolphins, turtles, and squids. They feed cooperatively with other sand tiger sharks, surrounding and herding schooling prey (Monterey Bay Aquarium).
All tiger sharks generally swim slowly, which, combined with cryptic coloration, may make them difficult for prey to detect them in some habitats. They are especially well camouflaged against dark backgrounds. Tiger sharks are very vicious sharks, so they do not have many predators. The Great White Shark is considered a predator. Tiger sharks can be killed by orcas as well. Their hard beaks make a good weapon, which induces blunt end trauma on the shark’s pressure points (National Geographic).
The tiger shark is considered the sacred na ʻaumakua (ancestor spirits) by some native Hawaiian people who think their eyeballs have special powers of visual perception.
’’They are gray-brown to olive-green on top with off-white undersides,and they have heavily serrated,triangular teeth’’(National Geographic ‘’Hammerhead Sharks’’ 1).These are the usual colors of sharks. When you visualize a shark,the shark you would see would most likely resemble a bull shark. ’’They they almost resemble tiger sharks,and the problem is that tiger sharks are even more dangerous than bull sharks. To be honest,if you have to be extremely afraid of one species of shark,then it would probably be the bull shark. ’’Among the most likely sharks to attack humans,bull sharks favor shallow coastal waters-the same places humans prefer to swim’’(National Geographic ‘’Bull Shark’’ 1).This means that the bull shark would be the most feared by humans because they swim in the same places that humans swim.
But occasionally the younger sharks are preyed on by bigger sharks that do not necessarily have to be Bull sharks they can be become prey to any larger species of shark and occasionally a crocodile. However there are parasites like Pandarus sinuatus, and Periscopus dentatus that use the surface of the shark’s skin and use it to survive (Curtis). Though that does not in anyway decrease or increase the economic uses for the bull shark, its effects on the environment, or level of danger to humans. In certain places around the world the amount of bull sharks is decreasing slightly, because sharks can be harvested to make fish food, for their meat, for oils, and their fins for shark fin soup, or in asia their skin can be used to make “good leather” (“Bullshark”; Curtis). Even though their numbers are thought to be decreasing according to the International Shark Attack Files, otherwise known as the ISAF, has reported that there have been at least 70 reported unprovoked attacks on humans of which 17 were fatal, but that is only the known number of the reported attacks by bull sharks there most likely have been many more attacks that went unreported (“Bullshark”; Curtis). They are known for being one of “the most dangerous sharks in the world” because they along side the tiger shark,and great white they are the most common sharks to attack a human
The Carcharhinus leucas commonly called the "bull shark" is a very unique shark. The bull shark can live in both salt water and fresh water but is commonly found along the Mississippi River and around Nicaragua. The bull sharks has a very blunt rounded nose giving it a bullish type of appearance thus giving it the name bull shark. The sharks are a dark black to a light grey with a white underbelly. Bull sharks can grow to be about 350 cm long and weigh around 230 kilograms. Bull sharks also tend to have smaller eyes compared to many other sharks which indicates that the bull sharks have limited vision. The bull sharks have triangular teeth like the great white shark (one of the bull sharks cousins). The bulls teeth are heavily serrated and are about 1.5 inches long which makes it easy to tear apart the flesh of their prey.
This image is what a majority of people believe to be the shark. They believe it to be the bloodthirsty sea monster that appears in countless works of literature and films, but science says otherwise. The classic picture painted by the minds of sailors returning from years at sea come from imagination and sharks’ violent methods of hunting and mating. Sharks fear humans as much as humans fear sharks, and most sharks, particularly the “man-eating” great whites, only bite humans because they mistake surfers for seals. In earlier times, the ocean was a source of mystery and adventur...
When most people hear the word "shark", the image of a vicious killing machine pops into their head. They picture something out of the movie Jaws, where a massive Great White shark terrorizes an entire beach and eats dozens of people. However, this fictional story is nothing more than Hollywood entertainment. In the real world, the tables are turned. Humans are the ones who kill sharks, and not just by the dozens. It has been estimated that over 100 million sharks are killed every year by humans (http://www.iflscience.com). Some estimates claim that the actual number of sharks killed every year could be as high as 273 million (http://www.iflscience.com). In this research paper, I will inform you of the many ways that sharks are being killed,
Great white Sharks are unique beautiful creatures of the ocean. Sharks have survived in the ocean for 450 million years. The scientific name for Great whites is
"Home - Shark Research Institute." Shark Research Institute. N.p., n.d. Web. 04 Jan. 2014. .
Thesis: Sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences the behavior of sharks.
In Chinese tradition, Shark fin soup is called as “a celebration soup”, which people eat it to celebrate in various occasions. Moreover, people also believed that shark fin consisted of diverse nutrition values which provide them virility, wealth, and power(Wolchover, 2011). These beliefs lead to the beginning of poaching for sharks, the top of food chain in the sea world. Surprisingly, although people are aware of the decreasing number of sharks since the old days, around hundred million of sharks are still hunted each year(Heltus, 2013), to be served on luxury tables surrounded by those believers in things that they do not even prove whether the belief is reliable. Therefore, in the generation that people are mostly educated, sharks should no longer have to be continuously killed for their fins.
Sharks appear to be very vicious creatures that will eat or kill anything in its path. People think that all sharks are harmful and deadly to humans. However, research shows that this statement is not true. Sharks can be trained and tamed. They are just like big, aquatic dogs. Only about 2 dozen types of sharks are potentially harmful to humans. Shark attacks are also much more uncommon than one may think. Despite their fearsome appearances, sharks are not as vicious as they look.
The great white shark is a very interesting animal. They get their names from their appearance. The great white shark is very big and has a blue stomach. The great white shark can be found in the pacific, Atlantic and Indian oceans. The number of great white sharks in the United States and in the world is unknown because it is too hard to keep track of all of them. They live in salt water and do not claim territories.
Most people think that sharks are large, fast-swimmers, and savage predators. This is true of some species and groups should be interested of the appealing aspects of biology found within it: all sharks have an excellent sense of smell; some can detect electrical discharges; some sharks give birth to one of the
What it looks like: Siberian tiger is the largest and most rare of all members of the cat family. This cat is 8-10 feet long, excluding their 25-38 inch rattling tail. This species of tiger weighs 400-700 pounds. Like all members of the tiger family, males are significantly larger than females.
The white tiger is one of the biggest in the cat family. The white tiger is long it can grow up to 3.3 meters long and weigh as much as 300 kilograms hard to carry. Subspecies of the white tiger like Sumatran Tiger, Amur(or Siberian) Tiger, Indian (or Bengal) tiger, south china tiger, malayan tiger,indo-chinese tiger,bali tiger,javan tiger,caspian tiger thats extinct theres nine subspecies of the white tiger.A lot of subspecies are endangered or extinct because people hunt them for their fur to make jackets or sweaters and destroying their habitat.Some tiger cubs don’t live to be an adult because around half of the cubs die around 2-3 years of age.The cubs leave their mother at around 2 years old they live a long time because their mom taught them what they would know from eating to hiding from people.A group of tigers is called ambush or streak because the group may be hunting.You probably thought these tigers can’t swim because they are in the cat family but if you do you are wrong because ...
What is the largest fish in the world? The answer would be the Rhincodon typus, or commonly known as, the whale shark. The whale shark is vey unique because unlike normal sharks, the whale shark is a filter feeder and so, does not have use of its teeth. The whale shark is also about the size of a bus. However, like many animals in the world today, they are considered vulnerable according to the IUCN. They are seen often in the tropical areas, but many behavior and movement mechanism of the whale shark are still unknown.