- Many fossil records indicate that sharks have been active for some 300 million years,and about 100 to 70 million years ago.
- The majority of sharks species swim to 20 to 30 mph,but the mako shark was recorded to go to speeds of 60 mph.
- Many sharks bite when provoked,but less than 30 species have been considered dangerous,regardless of the situation.
- Sharks have skeletons made up of cartilage rather than bone to chase prey at high speeds.
- The whale shark is the largest shark at 45 feet while the dwarf lantern shark is 7.5 inches.
- Many sharks are known for the rows of fearsome teeth,but the plankton feeding whale has 4,000 that are 0.3 cm long,and have a diet consisting on crustaceans,plankton etc.
- Many estimate that 70-100 million sharks are killed annually for there "precious fins".Their fins are used as a delicacy for many Chinese soups.
- Some sharks do not reach maturity until 10 years old,and many will live on phyto plankton,and zoo plankton.
- Sharks and humans interaction is difficult to study due to it hard to find volunteers committed.
- A majority of sharks attacks happen to surfers ages between 21-30,while the least amount happen to divers between 51-60.Scientist have not yet found out why but are trying to find the reason this occurs.
- One theory scientist have formed is that many sharks attack humans due to there similarities to other animals such as surfers looking like seals from the ocean top.
- Records show that majority of shark attacks happen in September,and the least occur in March.This most likely occurs do to temperature climb and drop.
- Shark fossils and teeth let us see remains of prehistoric sharks up to 200 million years ago.
- Sharks are not and will not be simply in the ocean swimming because they are very mobile creatures meaning they`ll never be in a spot for to long.
- Sharks and rays have very diverse communities embracing astonishing variety of forms and life styles.
- Where many sharks lived is based on there body and there feeding capabilities.
- A shark crisis is occurring for many sharks such a the great white shark due to fining which is the removal of the shark fins killing them in the process.
- There is approximately 1,100 remaining species of prehistoric sharks.
- As you may or may not know not all sharks are fast and fearsome,and a example is the nurse shark.This shark is slow and sluggish and relies on hunting on the ocean floor for fish,and crustaceans.
- Many sharks have balloon like gills which allow the shark to breath when ever it moves.
- When a baby shark is born the mother provides no food or protection,but instead leaves the baby shark altogether,but this baby shark is hooked with a full set of teeth and fins.
The hammerhead is know for its unusual looking head which if you didn't know they use it for steering through the water,and also are very likely to live in warm waters and hunt squid,and fish to eat.
- There is more than 90% of people attack by sharks usually live,and is recorded that more people have died from bees than sharks.
The Great White Shark
- The great white shark reaches lengths up to 6 meters long and weighs up to 3000 kilograms (6613.868 pounds).
- Female great whites are usually the largest great whites,and grow 4 more meters than a male.
- The great whites sharks are the apex predator and most likely are on the top of the food chain.
- Many great white sharks range from 0 to 1875 meters in the water or 6151.575 feet.
- When many great white sharks are developing in the uterus the mother eats embryos and unfertilized eggs.
- The great white shark will face up against whale sharks and many other sharks at a comparible size meaning its no to be reckoned with.
Mega Mouth Shark
- The megamouth shark is a large species reaching weights of 2700 pounds(1215kg).
- The megamouth shark is 16 feet in length,and its mouth opens to 4 feet across.
- The megamouth shark`s mouth is covered in glowing organs that attract prey.
- Though megamoutch shark is big it is the smallest of the 3 species of filter sharks.
- The first megamouth shark ever caught was on accident,and this occurred by it swimming in to the sea anchor attached to naval equipment in Hawaii.
- The megamouth shark is a filter feeding shark meaning that it opens its mouth to collect food that goes into it such as fish,crustaceans etc.
- Many shark loose teeth there teeth on a daily basis and there teeth constantly replenish,and this means they will never run out of teeth.
- Sharks skin allow easy movement,and allows them to save there energy in water.
- Sharks have a very good sense of smell that allows them to smell blood from miles away.
- Many sharks hunt at evening and night,and attack prey with the element of surprise.This is also why many beaches do not allow people to swim at night time.
- Due to sharks being camouflage from above many prey are oblivious of how much danger there in.
- There are 464 species known living in the ocean that are sharks today,and this list goes on as we discover even more.
The Whale Shark
- The whale sharks have 3000 teeth but there not used for feeding,but actually used for filtering food,
- The whale shark feeds on krill,crab,larvae,and jelly fish etc.
- Shark researchers tract whale sharks that were in the U.S and discovered that they traveled all the way to South China showing how far a journey the amazing creatures will go they can go.
- A majority of whale sharks,and mostly all sharks live in temperate regions.
- All sharks only count as 1% of all fish in the oceans today.
- The One species of sharks know as the bull shark eats fish,but also eats other sharks.
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