10 Interesting Facts about Shark | 10 Interesting Facts
10 facts about sharks below are filled with interesting information about the life of the shark, the diet, the mating, the magnificent feature and the unfortunate condition of the shark. Human kill shark more than shark kills human and this condition remain active until now.
Fact 1;
A term Jurassic Shark is suitable to describe the oldness of the species. It is known since the era of Dinosaurs. Around 468 species of shark have been classified and 2 new species of shark are discovered every month. Some are classified endangered and prohibited to be hunted.
Fact 2;
Shark is a cartilaginous fish and that means the shark has no bone, the skeleton is constructed by ear-like connective tissue. To inhale enough oxygen, Shark should constantly swim or it will be drowning unless they have spiracles. Also, Shark is impossible live outside the ocean for long period of time because the harm of gravity forces. Once they coming out off the water, their internal organs could collapse and kill them.
Fact 3:
The smallest shark species has ever been found is Dwarf Lanternshark from Caribbean Sea which maturing at 17-20 cm long. The biggest shark species is whale shark where it can grow up to 12 meters long and weighting up to 20 tons.
Fact 4;
Unlike us, shark teeth are not glued over roots. The teeth are fall out around every week. Luckily, Shark is equipped with 15 rows of teeth inside their mouth and within a day they can replace the old set of teeth with the new set. Sharks replace around 6000 teeth each year and they never run out teeth.
Fact 5;
Some species of Shark lay eggs some give birth, some female sharks have placenta and some don’t. Special for sand tiger Shark, inside the litter, one embryo should consume other embryos to survive. All new sharks are born after internal fertilization ritual.
Fact 6;
It is estimated that Whale shark can live up to 100-150 years while the smaller species can live up to 2-3 decades. Most case, only human that can shorten their age.
Fact 7;
For the sensors, sharks is featured with sharp sights, sensitive ear, vibration detectors along the side of their body called the Lateral Line and an Electro receptor that capable to locate electro magnetic fields off living organisms, electronic apparatus and earth’s magnetic field.
Fact 8;
Great white shark is the most popular shark in the world. Thanks to the 1975 Steven Spielberg movie Jaws . When we heard White shark, I guess the first thing flashes in our brain is Jaws
Fact 9:
One of the latest shark discoveries is a new shark species found in Papua New Guinea shores. It is named Bamboo shark and the cool thing is instead swimming, they walk along the ocean bed using their pelvic and pectoral fins. The nickname of the new species is the walking shark
Fact 10;
Shark finning is one of the cruelest hunting techniques that human do to the sharks and it is killing around 70 millions sharks every year. After the shark is captured, the fishers cut off their fins and the shark cast off to the ocean. Without their fins, shark doesn’t have a chance to survive and they have to live with the wound till the last oxygen left their lung. It is unfortunate shark facts and we can stop it if we want.
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