How long have sharks been around? 400 Million years! How long
do they live? 15-100 years
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Dermal Denticles
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SHARK ATTACKS!
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Shark Attack Facts Sharks attack 50-75 people per year 8-12 of
the attacks are fatal Humans are killing about 20 to 30 million
sharks per year. The odds of a shark attack death is 1 in 265
million.
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How to Stay Safe If youre bleeding, stay out of the water.
Avoid going in the water during dawn and dusk. Avoid wearing shiny
objects when in water. Avoid swimming near large schools of
baitfish. Avoid swimming where others are fishing. Swim/play with a
group.
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Dogfish Shark Dissection
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Background Information Found in the Pacific Ocean from
California to the Gulf of Alaska Eat small fish, squid, and some
crustaceans Give birth to 3-14 young every 2 years Gestation period
of 22-24 months Live from 25-100 years Females are usually larger
than males
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Interesting Facts Fins of this species use to be used as
sandpaper for sanding of wood materials There are spines on the
dorsal fins that may be mildly poisonous Usually occur in packs of
100s or 1000s If you order Fish and Chips in Europe you will
probably get dogfish Their liver can take up 90% of their body
cavity
