Smooth Hammerhead Shark Pictures

 
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Smooth Hammerhead Shark Photos - Also Known as the Common Hammerhead Shark

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The Smooth Hammerhead Shark, Sphyrna zygaena, also known as the Common Hammerhead, is a large hammerhead shark that mainly inhabits temperate coastal waters throughout the world. It is highly valued for its fins, which are used in shark fin soup, primarily in East Asian countries. This species is considered potentially dangerous to humans, yet only 2 fatalities can be attributed to all 9 species in the Sphyrna genus.

Smooth hammerheads are found along coasts in temperate oceans, but are also found along some tropical coastlines as well, namely on the west coast of Africa and in Southeast Asia. They are also found in the Mediterranean Sea. They are the only species of hammerhead found in Canadian coastal waters, as they have been observed off the coast of Nova Scotia. This species lives on continental shelves, though they are sometimes spotted in deeper waters. The are often seen swimming at the surface with their dorsal fin poking out of the water. They are found alone or in small groups, and sometimes form large schools of over 100 when migrating to cooler waters in summer.

The smooth hammerhead can reach a maximum length of 5 m (16 ft), though the average is smaller, about 3 m (10 ft). Maximum weight is 400 kg (882 lbs). They may live for 20 years or longer. They are typically brown in color, but may range from dark grayish-brown to olive brown to gray, but always with a lighter underbody. Pectoral fins may have black tips. Its hammer-shaped head, called a cephalophoil, is broad and flat, with a large eye at the end of each lobe. It gets its name "smooth" hammerhead because its cephalophoil is not clearly notched, like that of the scalloped hammerhead. In particular, it has no central notch at the end of its snout, making it fairly easy to identify.

Smooth hammerheads feed on bony fish, small sharks, skates and rays. They also feed on schooling fish, such as herring or mackerel. They are sometimes attracted to hooked fish on the longlines of fishermen. Smooth hammerheads are viviparous, giving birth in summer to litters of from 20-40 live pups. Pups are about 50 cm (20 in) at birth. Pups and juveniles fall prey to large sharks, but adult hammerheads are thought to have few enemies except for killer whales and man.

Smooth hammerheads are taken by longlines and caught as bycatch in driftnets throughout the world. Their meat is sometimes sold for human consumption, but is not considered particularly desirable in the West. Their liver oil is used for vitamins, as it's rich in vitamin A. The skin is sometimes used for leather products, such as boots. Their fins are highly rated for shark fin soup, and all remaining parts are used in Chinese medicine and fishmeal. This species is presumed to be taken in large numbers, but is currently rated only Lower Risk / Near Threatened by the IUCN Red List.

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Picture of a smooth hammerhead shark juvenile, Sphyrna zygaena, South Australian

Picture #: 009609

Stock photo of a smooth hammerhead shark, Sphyrna zygaena, Azores, Portugal, Atlantic Ocean

Picture #: 008999

Picture of a juvenile smooth hammerhead shark , Sphyrna zygaena, South Australian

Picture #: 009610

Picture of smooth hammerhead shark, Sphyrna zygaena, lateral view, pen and ink illustration.

Picture #: 067313

picture of a smooth hammerhead shark      

Picture of smooth hammerhead shark juvenile, Sphyrna zygaena, Izu Peninsula, Japan, Pacific Ocean

Picture #: 063520

     

 

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