Information - Types of Sharks
Prehistoric Extinct Sharks
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Cookie Cutter Shark
The Cookie Cutter Shark is also
known as Cigar Shark
or luminous shark.
- COOKIE CUTTER SHARK
Scientific Name.... Isistius Brasiliensis
- General Information: The cookiecutter shark
is a small brown shark with a short snout. It has a cigar-like
appearance is enhanced by its small dorsal fins being displaced
to the rear of its body and by the lack of an anal fin. It also
has a black collar around the back of its head. There are two
known species of cookie cutter sharks: the cookie cutter shark (
isistius brasiliensis ) and the largetooth cookie cutter shark
( Isistius plutodus ) both belong to a family of deep water squaloid.
They have large eyes with green pupils.
- Size: This shark grows to be about 20 inches
long. Size at birth unknown.
- Teeth: They have specialized
suctorial jaws and lips, and razor sharp, saw-like lower teeth.
The upper jaw teeth are much smaller and finer, but still very
sharp. They have thick fleshy lips, large tongue and strong
- Color: The cookie cutter shark is a dark brown
or dark tan color on top. The belly is light brown with a luminescent
- Feeding Habits: The cookiecutter shark's prey
on large marlins, tunas, seals, whales and dolphins. The shark
forms a suction cap with its lips on the skin of its prey, then
bites and swivels around to cut out an oval-shaped plug of tissue,
just like a cookie cutter in pastry. Scientists believe that it
uses its bioluminescent light organs, which glow in the dark,
to lure fast-swimming prey close, so that they can ambush them.
- Social Behaviour: Cookiecutter sharks are a
solitary species, coming together only to mate.
- Habitat | Migration | Distribution:
found throughout the tropical oceans of the world. Normally inhabits
depths as great as 11,500 feet.
- Reproduction: It is ovoviviparous, but nothing
is known about the size of its litters.
- Swimming: They are slow swimmers.
- Cookie Cutter Shark Attacks: Harmless.
- Population Report: Probably not uncommon in
deep oceanic waters.
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