Hammerhead Shark
|
Scientific
Name |
Sphyrna
lewini |
| |
| Other
Names |
N/A |
| |
| World
Record |
N/A |
| |
Description
The great hammerhead shark
has a wide, thick head with the eyes
at the margins. The head is indented
at the centre of the "hammer,"
which is almost rectangular in shape.
This shark is grey-brown above with
an off-white belly. The first dorsal
fin is very large and pointed.
Habitat
The great hammerhead swims
in warm and relatively warm water
along the coastlines. They live over
the continental shelves and the adjacent
drop-off to depths of about 260 feet
(80 m).
Feeding Habits
The Hammerhead is a fierce
predator with a good sense of smell
that helps it find its prey. The great
hammerhead eats fish, including rays,
and other sharks, squid, octopuses,
and crustaceans. The Hammerhead has
been known to be cannibalistic.
Age and Growth
The average great hammerhead
shark is up to 3.5 m long. The largest
reported was 6 m long. These large
sharks average about over 500 pounds
(230 kg) but can weigh as much as
1,000 pounds (450 kg). The Hammerheads
are viviparous, giving birth to live
young. The 20-40 pups are about 70
cm long at birth.
Tackle and Methods
The terminal tackle may consist
of an 8/0 to 16/0 hook baited with
a whole fish or other bait and weighted
by a heavy sinker. Strong line is
required, not only because of the
size of the quarry, but also because
the line is subject to constant abrasion
against the sand. Sturdy fiber glass
rods with roller line guides are suggested
with size 5/0 to 8/0 biggame reels.
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