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 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.
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.
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.
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.
Though sharks are considered apex predators, they are often eaten by humans and are sometimes eaten by killer whales. Shark embryos from different fathers will also eat each other in utero, with the largest embryo of the bunch usually winning out.
Sharks live in every ocean of the world, with most species occupying waters no deeper than 7,000 feet. The Portuguese dogfish is the deepest-living shark and can be found at a depth of 12,000 feet. Some sharks, such as the bull shark, are capable of surviving in fresh water.
Sharks move through the water with the help of their tail fins. The body of a shark is light as it is made of cartilage and not bones. It has a perfectly streamlined body. Its dorsal fins help it steer through the water.
A great white shark, or Carcharodon carcharias, is a large shark that inhabits the coastal waters of all oceans. It is the largest macro-predatory fish on Earth.