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That sounds like a lot of sharks. However, consider
that those 26 most common North Carolina species include
sharks that live offshore in deep water rarely coming
or those that only visit our coast during certain
times of the year. Whether or not other species of
shark decide to visit the Tar Heel coast can depend
on a number of factors, including water temperature,
food supplies, and breeding patterns.
For example, North Carolinas coast is considered
to be a birthing ground for six kinds of shark, including
the tiger shark (Galeocerdo cuvieri). Year-round
sharks that prefer deep ocean water include the oceanic
whitetip shark (Carcharhinus longimanus) and
the blue shark (Prionace glauca). These sharks
very rarely, if ever come close to shore.
The thresher shark (Alopias vulpinus) also
prefers deeper waters, where it can be found year
round, however it may come closer inshore during July
and August. The thresher is distinguished by its long
tail or caudal fin, which it uses to herd and stun
its prey.
The silky shark (Carcharhinus falciformis)
also is a year round offshore shark that can be found
closer in from May to December. The Atlantic sharpnose
(Rhizoprionodon terraenovae) and smooth dogfish
(Mustelus canis) are year-round North Carolina
residents who may be found closer to shore. The sharpnose
is one of the most abundant sharks in North Carolina
waters during the summer and its pups (offspring)
are common catches off our piers. Fishermen often
refer to them as sand sharks. Its average size is
three feet. The smooth dogfish averages four feet
in length. It is commonly found in less than 60 feet
and feeds primarily on crabs and shrimp.
During the summer and fall months, sand tiger (Odontaspis
taurus), sand bar (Carcharhinus plumbeus),
spinner (Carcharhinus brevipinna) and scalloped
hammerhead (Sphyrna lewini) sharks are among
the most common inshore visitors to our coast. The
great hammerhead (Sphyrna mokarran) also ventures
inshore between June and September, as does its smaller
cousin, the bonnethead (Sphyrna tiburo) shark.
Bull sharks (Carcharhinus leucas), blacktip(Carcharhinus
limbatus) and blacknose (Carcharhinus acronotus)
sharks also are found inshore during the spring and
summer.
Of the 350 species of sharks that swim in the worlds
oceans, experts consider only half a dozen to be dangerous.
Most are shy and harmless, avoiding people and other
large animals when possible. While it may seem as
though sharks are plentiful off our coast, the chance
of a close encounter with one of even our most common
sharks is slim.
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