Researching and learning about sharks is often more fun for kids when parents and educators integrate games, crafts and creative activities. Many kids are naturally curious about sharks and are eager to do independent shark research. Discovery Channel's annual "Shark Week" often generates more excit
The size of a shark depends on its species. The largest living shark, the whale shark, averages 31.82 feet long. The extinct megalodon was even bigger at about 60 feet long. The smallest shark is the dwarf lanternshark, which is only 6.7 inches long.
More than 450 shark species have been documented as of 2014. Sharks have been around since prehistoric times, with evidence of their existence dating back hundreds of millions of years. The first sharks appeared in the world's oceans around 420 million years ago.
According to the Shark Foundation, sharks are found in most of the Earth’s oceans and seas. The highest shark biodiversity occurs in the warm waters of the tropics, but many species are found in Arctic and Antarctic waters as well. Some sharks, for example bull sharks, are even capable of swimming u
The great white shark is a fierce hunter that lives throughout much of the world's oceans, usually close to the coast. It can grow to be up to 20 feet long and may weigh up to 5,000 pounds. Its swimming speed reaches up to 15 miles per hour.
As of 2014, whale sharks are the largest known species of fish. They are almost as large as many actual whales and even dinosaurs. Adult whale sharks are at least 25 feet long and weigh up to 20,000 pounds. The largest recorded whale shark was discovered in 1947; it was 41.5 feet long and weighed mo
Tiger sharks live in warm water, can grow to be more than 16 feet long and eat a wide range of food. For instance, tiger sharks aren't picky about their meals, eating birds and sea turtles or dolphins.
Sharks are found in every ocean in the world and are sometimes found out of their habitat in rivers and streams. There are around 368 species of sharks in the world.
There are approximately 470 known species of shark in the world, but it's impossible to count the exact number of individual sharks on the planet. World Wildlife Fund estimates that more than 100 million sharks are killed each year for their fins.
Of the 400 or so shark species on the planet, the shortfin mako shark is thought to be the fastest, capable of swimming at speeds from 22 to 60 miles per hour. Makos are aggressive, however attacks on humans are rare because the species usually stays in the open ocean.