Ten fun facts about Sharks
Fact 1
A shark has anywhere from 5 to 15 rows of teeth. These teeth do not have roots. The teeth usually fall out after a week and they are replaced with a row of new teeth within a day.
Fact 2
The skin of a shark is tough and covered by dermal denticles which are basically small plates covered with enamel that is found in teeth.
Fact 3
Sharks can detect the slightest movement in the water with the lateral line system that runs along their sides.
Fact 4
Shark liver is rich in oil. This makes the organ relatively buoyant and is one of the reason for sharks keeping their balance in the water.
Fact 5
Some species of sharks are oviparous which means they lay eggs, while others are viviparous and give birth to live young.
Fact 6
Large sharks may live from 100 up to 150 years while small shark live for about 20 – 30 years.
Fact 7
Sharks are not vicious man-eaters though they are predators and some species are considered dangerous to humans. Their sharp teeth can inflict serious wounds which are not fatal.
Fact 8
Sharks are not color blind as is commonly thought. They are in fact attracted to certain colors such as yellow.
Fact 9
The gestation period for a pregnant female shark ranges from 5 months to 2 years.
Fact 10
Sharks eyes are on the sides of their head and their sightline is capable of spanning nearly 360 degrees.
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