Animals

A drawing of a giant manta ray

Giant manta ray Facts for Kids

Mobula birostris ยท MOB-yoo-luh by-ROSS-tris

The biggest ray, gliding through the sea on wide, wing-like fins.

Giant manta rays glide through the sea like underwater birds. Their wide fins flap like wings. They scoop up tiny food with a wide-open mouth.

A manta ray has two curly flaps beside its mouth that steer plankton in as it swims. It has no stinger, so it is harmless to people. The spots on its belly are different on every manta.

Giant manta rays are the largest rays in the world, and they are fish related to sharks, with skeletons made of bendy cartilage instead of bone. They swim all the time, flapping their wings slowly, and special filters inside the mouth sieve plankton from the water. At reefs, mantas visit cleaning stations, where small fish pick pests off their skin. A mother usually has just one pup at a time, so mantas recover slowly; they are endangered because they are caught in nets, and many countries now protect them.

How big is a giant manta ray?

๐Ÿง’ our measuring child, 4 ft1.2 m๐ŸŸ Giant manta ray, 26 ft7.9 m long

Giant manta ray in numbers

Length26 ft7.9 m1wingspan, the most measured
Height at the shoulderno checked number yet
Weight2.6 tons2.4 tonnes1maximum
Top speedno checked number yet
How long it lives45 years45 years1
What it eatsplankton, tiny shrimp-like animals and fish eggs
Where it liveswarm and mild seas around the world
What kindFish
Is it in danger?In danger (Endangered)2

A number we couldnโ€™t find on a page we trust says so, instead of guessing.

Wow!

Compare the giant manta ray

Friends and neighbours

Three questions

What does the giant manta ray eat?

The answer: Tiny sea life. It eats plankton, tiny shrimp-like animals and fish eggs.

Where does the giant manta ray live?

The answer: Ocean. It lives in warm and mild seas around the world.

Which is longer, the giant manta ray or the cheetah?

The answer: The giant manta ray. Look at them side by side on the compare stage.

Books about the giant manta ray, free at the library

Ask a grown-up to tap the button: it shows where to borrow a book about the giant manta ray for free.

Where these numbers come from

  1. NOAA Fisheries, checked 30 October 2026.
  2. Wikidata, from the IUCN Red List, checked 30 October 2026.
  3. Wikidata, Giant manta ray (Q321976), checked 30 October 2026.

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