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Greenland
Shark
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The Greenland
shark, Somniosus microcephalus, is a large
shark native to the waters of the North Atlantic
Ocean around Greenland and Iceland, but can occasionally
be found in the Gulf of Maine, or as far south as
the Gulf of Mexico. Greenland sharks live further
north than any other species and is the only species
found regularly in these cold waters. During the
summer the Greenland shark inhabits depths of 600
to 2400 feet. In the winter, it can be found near
the surface and near the edge of ice flows. It is
a very large shark, comparable to the size of a great
white. The average size is 11 to 16 feet, but the
largest recorded specimen of this species was 21
feet and weighed 2,250 lbs. The Greenland shark eats
char, halibut, herring, lumpfish and salmon among
other fishes. It also eats marine mammals such as
seals, and sea lions. is ovoviviparous and can have
litters of up to 10 pups. Adults can be brown, black,
purplish gray or slate gray, while the sides may
have a purple tinge, or may have dark bands or white
spots. It has small eyes, both dorsal fins are small
and of equal size, the caudal fin is asymmetrical.
and there is no anal fin. Greenland sharks are also
known as sleeper shark, gurry shark, ground shark,
grey shark, or by the Inuit Eqalussuaq. The Greenlandshark
suffers from a parasite called a copepod, a whitish-yellow
creature that can be up to 3 inches in size, that
attaches itself to the cornea of the eye. Most sharks
have at least one copepod.
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Picture of Greenland
sleeper shark, Somniosus microcephalus,
with parasitic copepod, Ommatokoita elongata, attached
to eye of shark, St. Lawrence River estuary, Canada.
This shark was wild and unrestrained; it was not
hooked and tail-roped.
Picture #: 035449 |
Image of eye of Greenland
shark, Somniosus microcephalus, infected
by parasitic or possibly mutualistic copepod,
Ommatokoita elongata, Baffin Island, Canada
Picture #: 009759 |
Stock photo of Greenland
sleeper shark, Somniosus microcephalus, and
divers, St. Lawrence River estuary, Canada. This
shark was wild and unrestrained; it was not hooked
and tail-roped.
Picture #: 035412 |
Photo of magnified view
of skin of Greenland shark, Somniosus
microcephalus, showing
dermal denticles, skin teeth
Picture #: 012645 |
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Picture of of Greenland
sleeper shark, Somniosus microcephalus, and
photographers, St. Lawrence River estuary, Canada.
This shark was wild and unrestrained; it was not
hooked and tail-roped.
Picture #: 035405 |
Image of Greenland sleeper
shark, Somniosus microcephalus, and divers,
St. Lawrence River estuary, Canada. This shark was
wild and unrestrained;
it was not hooked and tail-roped.
Picture #: 035411 |
Stock photo of Greenland
shark under ice, Somniosus microcephalus, Lancaster
Sound, Nunavut, northern Baffin Island, Canada, Arctic
Picture #: 099661 |
Photo of Greenland
sleeper shark, Somniosus microcephalus,
St. Lawrence River estuary, Canada. This shark was
wild and unrestrained; it was not hooked and tail-roped.
Picture #: 035441 |
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Picture of Greenland
shark under ice, Somniosus microcephalus, Lancaster
Sound, Nunavut, northern Baffin Island, Canada, Arctic
Picture #: 099664 |
Image of a Greenland
shark, Somniosus microcephalus, a member
of the sleeper shark family. Baie Comeeau, Quebec,
Canada, Saint Lawrence River, Atlantic Ocean.
Picture #: 089473 |
Stock photo of a Greenland
sleeper shark, Somniosus microcephalus,
St. Lawrence River estuary, Canada. This shark was
wild and unrestrained; it was not hooked and tail-roped.
Picture #: 035452 |
Photo of Greenland shark,
Somniosus microcephalus, deckhand checking
bycatch from bottom trawl, Northern Barents sea,
Arctic, North East Atlantic
Picture #: 097165 |
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Picture of Greenland
sleeper shark, Somniosus microcephalus,
St. Lawrence River estuary, Canada. This shark was
wild and unrestrained; it was not hooked and tail-roped.
Picture #: 035454-H |
Image of Greenland shark,
Somniosus microcephalus, Canada, Arctic
Picture #: 077338 |
Stock photo of Greenland
sleeper shark, Somniosus microcephalus,
and diver, with parasitic copepod, Ommatokoita
elongata, attached
to eye of shark, St. Lawrence River estuary, Canada.
This shark was wild and unrestrained; it was not
hooked and tail-roped.
Picture #: 035406 |
Photo of Greenland
sleeper shark, Somniosus microcephalus,
with parasitic copepod, Ommatokoita elongata, attached
to eye of shark, St. Lawrence River estuary, Canada.
This shark was wild and unrestrained; it was not
hooked and tail-roped.
Picture #: 035450 |
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Picture of Greenland
sleeper shark, Somniosus microcephalus,
with parasitic copepod, Ommatokoita elongata, attached
to eye of shark, St. Lawrence River estuary, Canada.
This shark was wild and unrestrained; it was not
hooked and tail-roped.
Picture #: 035448 |
Image of Greenland
sleeper shark, Somniosus microcephalus,
St. Lawrence River estuary, Canada. This shark was
wild and unrestrained; it was not hooked and tail-roped.
Picture #: 035452-V |
Stock photo of Greenland
shark under ice, Somniosus microcephalus, Lancaster
Sound, Nunavut, northern Baffin Island, Canada, Arctic
Picture #: 099660 |
Photo of Greenland
sleeper shark, Somniosus microcephalus,
with divers, St. Lawrence River estuary, Canada.
This shark was wild and unrestrained; it was not
hooked and tail-roped.
Picture #: 035404 |
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