Interactive The Ocean

Open ocean

Giant manta ray

Mobula birostris

A huge, flat, diamond-shaped fish that flies through the water on wide wings, with two horn-like fins at the front.

Size
Up to 7m across
Look for it
All year round
Where
Warm seas all round the world

My spotter's list

Flies after you with slow beats of its wings. Move your pointer and see.

When to look

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Manta ray

Good to know

Six things about the manta ray

Wings

Underwater flight

It flaps its great fins like wings, and can leap clear of the water.

Brain

The brainiest fish

Mantas have the biggest brain of any fish, and seem to recognise themselves in a mirror.

Food

A gentle giant

It eats only tiny drifting animals, which the fins on its head funnel into its wide mouth.

Clean

The cleaning station

Mantas queue at certain reefs where small fish pick them clean of parasites.

Spots

A belly like a fingerprint

The pattern of spots on its underside is different on every manta.

Sting

No sting

Unlike stingrays, a manta has no sting in its tail. It is harmless.

The real thing

Photos of the manta ray

Giant manta ray, photo 1
Photo: Alicia Christman, CC BY 4.0, Wikimedia Commons
Giant manta ray, photo 2
Photo: Alicia Christman, CC BY 4.0, Wikimedia Commons
Giant manta ray, photo 3
Photo: Dan Bender, CC BY 4.0, Wikimedia Commons

Photos are from Wikimedia Commons, used under the free licences shown. They have been resized, and cropped where they appear in link previews.

Out and about

How to spot one

The Maldives, Indonesia and Hawaii have famous manta sites, where snorkellers float above as the mantas loop below.

Lend a hand

How to help

Mantas are endangered: they are caught for their gill plates and breed very slowly. Well-run manta tourism gives people a reason to protect them.

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