Animals & Nature

Sharks Quiz

Great whites, hammerheads, and whale sharks — dive into the world of these apex predators.

Sharks Quiz: Test Your Knowledge of the Ocean's Apex Predators

Sharks have been patrolling the world's oceans for over 450 million years, predating dinosaurs by roughly 200 million years. With more than 500 known species ranging from the 8-inch dwarf lanternshark to the 40-foot whale shark, these cartilaginous fish are far more diverse than most people realize. This quiz draws from a pool of 50 questions covering shark species, anatomy, behavior, conservation, and their role in popular culture.

How It Works

Each round presents 10 randomized questions from our pool of 50, so no two sessions are the same. Choose from four multiple-choice answers, get instant feedback with expert explanations, and share your score to see who knows their sharks best.

What You'll Learn

Questions span great whites, hammerheads, whale sharks, deep-sea species, Megalodon, shark anatomy like electroreception and cartilage skeletons, hunting strategies, migration patterns, conservation threats, attack statistics, and sharks in film and television. You might discover that sharks can detect one part per million of blood in seawater, or that more people are killed each year by vending machines than by sharks.

Frequently Asked Questions

How many species of sharks are there?

There are over 500 known species of sharks, grouped into eight orders. They range from tiny deep-sea species like the dwarf lanternshark, which fits in a human hand, to the massive whale shark that can grow over 40 feet long. New species are still being discovered, particularly in deep ocean environments.

Are sharks really dangerous to humans?

Shark attacks on humans are extremely rare. On average, there are about 70-80 unprovoked shark attacks worldwide per year, with only about 5-10 fatalities. You are far more likely to be struck by lightning or killed by a bee sting. Most shark species are harmless to humans, and the three species responsible for most incidents — great white, tiger, and bull sharks — typically bite out of curiosity rather than predatory intent.

What is the biggest shark in the world?

The whale shark is the largest living shark and the largest fish in the world, reaching lengths of over 40 feet (12 meters) and weights of up to 20 tons. Despite their enormous size, whale sharks are gentle filter feeders that eat plankton, fish eggs, and small fish. The basking shark is the second largest, growing up to 32 feet long, and is also a filter feeder.

Last updated: March 2026