Essay sample library > Scalloped Hammerhead Sharks, Sphyrna lewini

Scalloped Hammerhead Sharks, Sphyrna lewini

2023-10-17 02:26:35

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Sphyrna lewini has been considered to be in danger of extinction by the team of experts of the International Conservation Union, but the status of its red list is scientifically appraised and it is not legally binding. Scientists observed a reduction in the number of intense fan-shaped hammerhead sharks all over the world. In the Mediterranean coastal area, the shark shark is generally rich but has not appeared since 1963. Since the 1950s, the population outside South Africa has declined by over 99%. In the coastal area of ​​the northeastern United States, a famous paper on the decline in the number of sharks in 2003 over the past 15 years pointed out that "This trend is most pronounced in hammerhead sharks."

Sphyrna lewini is a kind of shark shark, a member of the family Sphyrnidae. Originally known as Zygaena lewini, its generic name was later changed to its current name. The Greek Spermina is translated into English "hammer" pointing to the shape of the shark's head. Like all shark sharks, the most prominent feature of this shark is the "hammer" of the head. Shark's eyes and nostrils are at the tip of the extension. It is smaller than a big and smooth hammerhead, but this is a pretty big hammerhead.

A fan-shaped shark shark, also known as Sphyrna lewini, belongs to the Sphyrnidae shark family. The original scientific name of this shark was Zygaena lewini, then changed to the current shark. Surname Sphymidae comes from the Greek word "hammer". Obviously, the name comes from the shape of the shark's head. A fan-shaped shark shark has various other names and is known around the world as a bronze shark, kidney shark or southern shark shark. This is the most common shark in the family of hammerheads, mainly distributed in the tropical and temperate coastal waters of the world.