Selachimorpha, or the shark harvested for food, medicine and leather goods. Shark skin, and scales, (denticles) are used to make leather. Shark liver oil is used in medicine and cosmetic products. The oil is used in medicine to treat leukemia and other cancers, the oil is used to prevent radiation illness during cancer X-ray therapy and to boost the body's immune system. During chemotherapy the oil can be used to increase white cell, which many are killed from the treatment. (Shark liver oil, 2009) The oil is retrieved from the livers of three species of shark; the deep sea shark (Centrophorus squamosus), the dogfish (Sqaulus acanthias), and the basking shark (Cetorhinus maximus). (Bakes, Michael J, et al., 1995) Shark meat is also consumed by humans in many different ways such as fish and chips in the UK and Australia. Another way they are consumed in shark fin soup, an East Asian delicacy. …show more content…
How the sharks are processed depends on their intended use. Some sharks are harvested for their skin. A knife is used to separate the meat and skin. The process is the same as processing cattle for leather. The scales are removed and then the skin is tanned. To retrieve shark oil the liver is removed. The liver is cut into small pieces and cooked. The oil is is then extracted from the water and sent to be proceed depending on the intended use. (Tenllado, et al., 2011) Shark finning is controversial and banned in many countries. The finning occurs on the fishing boat. The fins are cut off and divided into two quality grades depending on which fin it is. The rest of the shark is tossed back into the
One of the major problems is shark finning. Shark finning is the practice of removing the shark’s fins after it has been caught. They keep the fins and the body is usually thrown back into the sea, and usually the shark is still alive when this happens. When this is done sharks are not able to swim, and eventually the shark dies from suffocation, blood loss or being eaten another predator. The reason why the fins are kept are because shark fins are one of the most expensive food items in the world and can be worth more than over $400 per kilogram. One of the problems with finning and the selling shark fins is that it has caused a lot of declines in shark populations. Shark finning is unmonitored and unreported so the actual amount of finning is unknown. Finning is done at random and unbiased, they go after any species, sex or size of shark. Research has been done on some of the fins brought in by fisheries and it shows that even fins from great white sharks are appearing in shark fin
They do this because of the limited amount of space on the ship. Shark liver oil is used as a source of vitamin A, and some people believe that the cartilage and liver of a shark are extremely beneficial to human health. In earlier days the sharks' teeth-like scales on their skin was used as fine sandpaper, and when the scales were removed from their skin it made fine leather. This leather was used for making shoes, belts and handbags. Each year thousands of sharks are killed unintentionally due to nets used to catch different types of fish, and sometimes humans kill sharks because they fear them (Springer and Gold, 1989). All of these activities have resulted in many shark species being in danger of extinction.
Sharks are the top predators. But frankly, they are starting to vanish out of oceans every day. The sharks biggest enemy are humans. Us humans will kill sharks for food. Sometimes people will even take shark teeth and turn them into jewelry. Humans also will cut off the shark’s skin, and turn it into leather. If you find that disturbing, did you know that some individuals will cut out the shark’s liver and make it into a type of medicine?
Most sharks eat their prey whole, or tear off large chunks of flesh at a time.
Shark finning is the process of cutting off the fins of a shark and discarding the body at sea (“Stop Shark Finning”, 2009). People catch sharks for its fins, meat, oil, skin and so on. Sharks fins are most commonly used in Asian cooking which is shark fin soup. According to Maddalena, Sommeran and Leander (2007), people have been demanding for shark fins dramatically recently, it is unclear how many sharks are caught annually but some of the conservationists estimate the number to be upwards of 100 million. Besides, shark conservationists are aware about the consequences of the high demand of shark fins, they advocate people to stop killing sharks and eating shark fins. Practice of shark finning is causing imbalance marine ecosystems and it
Arising over 350 million years ago, the shark species has been labeled as a human devourer. Now, with the increase in human population, the demand for shark meat, fins, and cartilage are at an all time high; therefore, the existence of the shark is becoming a concern (Budker 1971). Individuals are conditioned to think of sharks as a negative aspect to the environment, which is prolonging the effort to save shark species from becoming extinct. With that in mind, some private as well as national organizations have accepted the challenge of educating and informing people about the existence of the shark specie and its importance to the sea.
I think the idea of making sharkwater was very good because it was a hit all over the world and a lot of countries banned shark finning and it helped sharks a lot, and I think without the movie sharkwater there will be not as many sharks as there is now. The movie talked a lot about the shark stereotypes that the media say like terrifying sea monsters ...ect. In fact Rob Stewart showed us that we can swim with them in peace and touch them. The movie video was in high definition so that was great. I really liked Paul Watson because he is really into the green peace that he will give his life to it. In general I will give this movie a 8/10.
The things that sharks are being killed for is sickening. So far, humans have decimated about 90 percent of the world’s shark populations for the sake of shark tooth jewelry and jaws that tourists buy in massive quantities, sharkskin accessories, phony medicines made from their cartilage, and a huge range of cosmetics, deodorants, moisturizers, sun tan lotions, and lip balms that use shark liver oil as a base because it makes our skin soft. (Check the ingredients of these items before you buy. If they contain “squalene” or “squalane,” leave them on the shelf.) (M. R., Ph. (2015, February 08). The Most Misunderstood Shark Fact Of All Time. From
This organism causes the sharks to go blind. Luckily Greenland sharks are mainly scaevngers and heavily rely on their heighted sense of smell.
Despite their belief that the each island had a shark god, the ancient Hawaiians still hunted sharks. Shark teeth are exceptionally good for making arrows and weapons. The meat was eaten, and shark skin was transformed into the top of drums. Today, shark hunting is still legal as long as it is done in federal waters and according to the current regulations.
The ocean is one of the most mysterious places on earth. So much of it is still unknown that the National Oceanic and Atmospheric Administration predicts that almost 97 percent is untouched. The fear of the ocean heightened following the premiere of the cult classic movie "Jaws" in 1975. The internationally recognizable theme music still subconsciously haunts beachgoers, even two generations following its release. The franchise "perpetuated the myths about sharks as man-eaters and bloodthirsty killers " said George Burgess, a shark biologist at the University of Florida in Gainesville.
Within 1996-2000, shark fin imports increased by 6%. To get the shark fins, men would catch sharks, cut off their fins, and then throw them back into the water. Are shark fin soup worth killing millions and millions of sharks? There are also many different uses for the different parts of the shark. For example, shark oil can be used for makeup and cosmetics, shark cartilage pills supposedly benefits our health and is old in health food stores, and shark steaks are sold all over the world. Although there are many economic benefits from shark finning, it can also threaten recreational fisheries, and other traditional ways of fishing.
Most other sharks,the Goblin Shark is a carnivore that is,a meat eater. Shark favorites are sea fish,crabs.and squid. Although the Goblin Shark eats 2-12 lbs of seafood per day,he can go to a week without food and water. When he is hunting his prey,Goblin moves slowly and waits until his prey is unaware of his presence. The Goblin can swim in depths of 1,300 meters as well s shallow waters to find food.
A shark has multiple rows of teeth. The mouth of sharks is in the front of the head. In some species, sharks teeth are replaced as much as once a week. Some sharks have teeth used to crush and grind. These are some what like what humans have. They also have sharp teeth. These can be compared to incisors that humans have. These types of teeth are very important to sharks because they are carnivores and depend on their teeth in order to eat their prey. A sharks body in covered by scales which cover their bodies. These scales make the skin of a shark very rough and strong.
b) Sharks try so hard to become unhooked that they end up suffocating themselves. Most of time the long lining is not meant to catch sharks but other species, and so then the Sharks are just thrown back to ocean as a waste. This process is call bycatch.