- Sharks are one of the most oldest species living on Earth.
- There are more than 465 known species of sharks.
- The shark´s scientific name is ¨selachimorpha¨
- Sharks can swim up to twenty-thirty miles per hour.
- Shark´s have lived since 300 million years ago according to fossils.
- Sharks usually live in tropical and temperate oceanic water.
- Sharks have evolved over time.
- Sharks are very complex and unique.
- Most sharks are carnivores, which means that they mostly only eat meat.
- Usually surfers are attacked by sharks more than people that are swimming or diving.
- Sharks usually eat plankton, sea lions and other sharks, but their diet is very varied.
- There are about 100 shark attacks per year.
- You are 1000 times more likely to drown than to be attacked by a shark.
- More people are killed by falling coconuts in Asia than being killed by a shark.
- Great white sharks eat more than eleven tons of food per year.
- Most sharks hunt at night.
- Usually sharks hunt alone.
- The cookie-cutter shark takes ice-cream-scoop-shaped bites out of other sharks.
- Sharks rarely attack humans since they do not like the taste of them.
- If a shark does bite a human, it is usually out of curiosity.
- Shark´s teeth are triangular and are embedded into their gum since they have no jaw.
- Shark´s teeth are constantly falling out so there are millions of shark teeth on the ocean floor.
- Shark´s teeth can be replaced in just eight days.
- Sharks can have up to 3000 teeth at a time.
- Shark´s teeth are made out of fluoride, making them cavity resistant.
- Shark teeth are a popular and inexpensive beach souvenir.
- Their jaws are not attached to their skull.
- Sharks can move their upper and lower jaws.
- The colors of sharks consists of reddish brown, bronze, metallic blue, gray, or light black.
- The Whale shark is the biggest in size of all sharks.
- The Megamouth shark is one of the rarest species of sharks.
- Nurse sharks are the laziest shark species.
- The greenland shark is the slowest moving shark ever recorded.
- Lantern sharks can glow to disguise themselves in deep ocean.
- According to studies, a shark, called megalodon, is the largest predator to ever exist.
- Sharks are very sensitive to light and can detect certain objects.
- Sharks have five to seven gill slots.
- The majority of sharks have eight rigid fins.
- Shark´s livers contain a lot of oil in them.
- Shark skeletons are made of cartilage, not bone.
- Shark´s wounds heal quickly.
- Sharks have a very accurate sense of smell.
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