The Shark Finning Industry
Sharks have been feared ever since people first observed them swimming in the vast ocean. Yet today, sharks are declining rapidly on a global scale because humans have replaced them as the ocean's top predators. Shark populations face the threat of extinction in nearly every part of the world primarily due to overfishing driven by the high demand of shark fins.
Shark finning is the practice of removing the shark fins after it has been caught in a fishery. The fins are kept and the body of the shark is typically returned to the sea, often while the shark is still alive. Unable to swim or pass water across its gills, the shark dies from suffocation, blood loss, or predation by other species. Shark fins are tempting targets for fishermen because they have high monetary and cultural value. They are used in a popular dish called shark fin soup, which is a symbol of status in Chinese culture. This popularity has not faded with time and has even expanded with China's growing population. As a result, fishermen have a large incentive to gather and sell shark fins.
Approximately 100 million sharks are killed globally each year, and one of the major incentives for this is the shark fin trade. With their slow growth and low reproductive rates, sharks are highly susceptible to extinction as it is difficult for many shark species to replenish their populations as quickly as they are being diminished. Many species of sharks are currently in danger due to shark finning, including the scalloped hammerhead, which is endangered, and the smooth hammerhead. Between 1.3 and 2.7 million of just these two sharks are killed every year in the shark fin trade. Today, some shark populations have decreased by 60-70% due to human shark fisheries. Such dramatic population plunges are not only dangerous for sharks but also for entire ecosystems. When shark populations decrease, a ripple effect can spread throughout the rest of the ecosystem, throwing it out of balance.
As apex predators, sharks play an important role in the ecosystem by maintaining the species below them in the food chain and serving as an indicator for ocean health. They help remove the weak and the sick as well as keeping the balance with competitors helping to ensure species diversity. Around the world, people are realizing how critical sharks are to ecosystems and people, and officials are beginning to protect sharks on a variety of scales. But more needs to be done. Without sharks, our oceans could experience detrimental consequences.
So, what should be done? Do you think shark finning practices should be banned worldwide? Can the declining shark populations be saved?
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-Adam Ghanem