There are over 400 shark species. Learn about sharks, as well as the threats this species faces, what WWF is doing to protect its future, and how you can help.

The great white shark is the world's largest known predatory fish. It has 300 teeth, yet does not chew its food. Sharks rip their prey into mouth-sized pieces which are swallowed whole.

WWF: Shark Conservationists taking action on the shark crisis. Shark populations are declining due to unsustainable overfishing and the shark fin trade.

Sharks and rays face a multitude of threats, but WWF is a leading voice in their defense. Here's how we're making a difference for these vital ocean inhabitants: Shaping global policy: WWF actively advocates for international agreements that benefit sharks and rays.

WWF is working around the world to better protect and manage our oceans – including vital shark habitats. For example, 50% of the world's coral reefs have been lost and the rest could disappear completely by 2050 if climate change remains unchecked.

WWF will continue to advocate for sharks, striving for better fishing regulations to protect shark populations and also reduce market demand. However, our work continues as many other shark species still remain unprotected and heavily exploited. Here we address and dispel some of the most common shark myths and deliver the shark facts.

WWF focuses on responsible consumption, management and trade to reduce the threat to shark populations. Our conservation aims include the reduction in overfishing, the shark fin trade and an increase in marine protected areas

Whale sharks (Rhincodon typus) are the largest shark, and indeed largest of any fishes alive today. They feed on plankton and travel large distances to find enough food to sustain their huge size, and to reproduce.

Reef sharks play a major role in shaping Caribbean reef communities. As the top predators of the reef and indicator species for marine ecosystems, they help maintain the delicate balance of marine life in reef environments.

Of the approximately 1,250 species of sharks and rays in the world, 218 are found in Indonesia. These top-level predators of the marine food chain play a major role in determining the balance of the food web below them.