Animals

Grown-ups

🐊 American alligator vs Great white shark 🦈

The great white shark is about twice as long as the American alligator. The great white shark weighs about 4 times as much as the American alligator.

Getting the animals ready…

🧒 our measuring child, 4 ft1.2 m🐊 American alligator, 8 to 11 ft2.4 to 3.4 m long🦈 Great white shark, 20 ft6.1 m long▬ the bar shows the range the sources give; the drawing stands in the middle
Row🐊 American alligator🦈 Great white shark
Size The great white shark is about twice as long as the American alligator.8 to 11 ft2.4 to 3.4 m120 ft6.1 m2
Top speed We don't have a checked number for the American alligator yet.no checked number yet35 mph56 km/h3
Weight The great white shark weighs about 4 times as much as the American alligator.1,000 lb454 kg42 tons1.8 tonnes2
Lives They are about the same.50 years50 years130 to 70 years30 to 70 years2
Eats Both eat meat.fish, turtles, frogs, snakes and birdsseals, sea lions, fish and dead whales
Lives in They live in different kinds of places, so they would hardly ever meet.swamps, marshes, rivers and lakes of the southeastern United Statescool coastal seas around the world

Which one? American alligator or great white shark

📏 Length
🐊 American alligator8 to 11 ft2.4 to 3.4 m1
🦈 Great white shark20 ft6.1 m2
⚖️ Weight
🐊 American alligator1,000 lb454 kg4
🦈 Great white shark2 tons1.8 tonnes2
🎂 Lives
🐊 American alligator50 years50 years1
🦈 Great white shark30 to 70 years30 to 70 years2

🏁 Who would win the race?

We don't have a checked top speed for the American alligator yet, so there is no race.

We only race. Real animals mostly avoid each other. A race is the only fair contest: who reaches the tree first, by top speed. Our face-off books compare real numbers, and nobody gets hurt.

10 things to know about American alligator vs Great white shark

  1. The American alligator: It digs pools in the swamp that help other animals in dry weather.
  2. The great white shark: The biggest fish that hunts, with rows of spare teeth waiting.
  3. They are different kinds of animal. The American alligator is a reptile, so it has scaly skin; the great white shark is a fish, so it breathes with gills.
  4. The great white shark is about twice as long as the American alligator: 2 against 1.
  5. The great white shark weighs about 4 times as much as the American alligator. That is 4 for the American alligator and 2 for the great white shark.
  6. They are about the same. Usual lifespans: 1 for the American alligator and 2 for the great white shark.
  7. Both eat meat. The American alligator eats fish, turtles, frogs, snakes and birds; the great white shark eats seals, sea lions, fish and dead whales.
  8. The American alligator lives in swamps, marshes, rivers and lakes of the southeastern United States. The great white shark lives in cool coastal seas around the world. They live in different kinds of places, so they would hardly ever meet.
  9. The American alligator: doing fine (Least Concern on the IUCN Red List). 5
  10. The great white shark: needs help (Vulnerable on the IUCN Red List). 6

Wow facts

🐊 American alligator

  • Baby alligators chirp from inside their eggs.
  • The warmth of the nest decides if hatchlings are males or females.
  • An alligator's snout is wide and rounded, like a U.

🦈 Great white shark

  • A great white keeps growing new teeth its whole life.
  • It can feel the tiny electric signals of other animals.
  • Its body stays warmer than the water around it.

Questions kids ask about American alligator and Great white shark

Which is bigger, American alligator or great white shark?

The great white shark is about twice as long as the American alligator: 2 against 1.

Which is heavier, American alligator or great white shark?

The great white shark weighs about 4 times as much as the American alligator. That is 4 for the American alligator and 2 for the great white shark.

Which lives longer, American alligator or great white shark?

They are about the same. Usual lifespans: 1 for the American alligator and 2 for the great white shark.

What do American alligator and great white shark eat?

Both eat meat. The American alligator eats fish, turtles, frogs, snakes and birds; the great white shark eats seals, sea lions, fish and dead whales.

Where do American alligator and great white shark live?

The American alligator lives in swamps, marshes, rivers and lakes of the southeastern United States. The great white shark lives in cool coastal seas around the world. They live in different kinds of places, so they would hardly ever meet.

Who would win, American alligator or great white shark?

We never show fights, because a fight is not a fair way to compare animals. They live in different kinds of places, so they would hardly ever meet. What we can compare is how big, how heavy, how fast, how long they live and what they eat, as above.

📤 Share this pair

The link carries only the two animals’ names: peabody.kids/animals/compare/american-alligator-vs-great-white-shark

Where these numbers come from

  1. National Park Service, Gulf Islands, checked 30 October 2026.
  2. NOAA Fisheries, checked 30 October 2026.
  3. NOAA Science On a Sphere, checked 30 October 2026.
  4. Smithsonian's National Zoo, checked 30 October 2026.
  5. Wikidata, from the IUCN Red List, checked 30 October 2026.
  6. Wikidata, from the IUCN Red List, checked 30 October 2026.

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