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  • Manta Ray
Fish

Manta Ray

Scientific Name

Mobula alfredi

Other Common Name(s)

Reef Manta Ray, Coastal Manta Ray, Inshore Manta Ray

Body Weight

Up to 1,400 kg

Body Width

Up to 5.5m

Manta ray and diver silhouettes
A manta ray swims underwater, its white underside visible, above a sandy seabed.

Habitat

Ocean
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Diet

Plankton and small fish
Green seaweed on sandy bottom with bubbles.
Fish, scallop, squid, and shrimp.

Fun Facts

  • Manta rays are the largest rays in the world. Despite their size, they feed on zooplankton by filtering water through their gills, which have special spongy tissue.

  • Manta rays sometimes leap out of the water before splashing back in. This may help remove parasites or communicate with other manta rays.

    • Several manta rays swim underwater with smaller fish.
    A ray swimming underwater, its head and pectoral fins visible.

    Distribution

    Tropical and subtropical waters of the Pacific Ocean and Indian Ocean, including the waters of countries such as Japan, Indonesia, Australia and Oman

    Threats & Conservation

    Threats & Conservation

    Threats

    • An axe and a hexagonal grid with red dotsAn axe and a hexagonal grid with red dots

      Overexploitation of Biological Resources

    Research indicates that the global population of manta rays has significantly declined by 30%. Captured intentionally or as bycatch, fisheries are a significant reason for this decline. Most direct fishing is for their gill rakers as they can be used as medicine in parts of Asia, and Hong Kong is also an importer of these products. Manta rays are also caught or killed accidentally by fishing gear or even by protective shark nets around beach waters.

    Conservation

    IUCN Red List banner with 'Vulnerable' highlighted, showing conservation statuses EW, CR, EN, VU, NT, LC, DD.
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    IUCN Red List

    • Vulnerable

    CITES

    • Appendix I

    Conservation

    • Protected under the Protection of Endangered Species of Animals and Plants Ordinance (Cap. 586) in Hong Kong.

    Ocean Park's Conservation Efforts

    The Park has collaborated with a local university by providing mucus samples collected from manta ray for research purposes, aiming to increase knowledge of the species.

    The Daily of an Animal Caretaker

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    ACCREDITED BY THE ASSOCIATION OF ZOOS & AQUARIUMSACCREDITED BY THE ASSOCIATION OF ZOOS & AQUARIUMS
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    Ocean Park Corporation is a charitable institution registered with Inland Revenue Department, Hong Kong (File No: 91/2801).

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