Ocean Atlas · Animals

Rays

Whitespotted wedgefish

Rhynchobatus djiddensis

A shark-shaped ray that rests on sandy seabeds and is rarely met. No sighting is ever a promise.

Critically EndangeredIn 9 Atlas countries

Critically Endangered (IUCN, assessment of 2018 as reported by FishBase) means it faces an extremely high risk of extinction in the wild, mainly because of fishing.

Photos show the species, not always the places on this page.

Length

Up to about 3.1 m (10 ft) total length. Newborns are about 43 to 60 cm (17 to 24 in). In Kenya, trawl catches in Malindi-Ungwana Bay ranged from 23 to 210 cm (9 to 83 in)

Weight

Up to about 227 kg (500 lb) reported as the maximum; most animals are much smaller

Next to a person

A large adult can be about 1.7 times as long as a tall person, but a young one is about the length of an arm

What it eats

Crabs, lobsters, bivalves, small fish and squid, taken from sand and mud on the bottom.

Around people

Calm, give space

How it lives

It lives near the seabed in shallow coastal water, often inshore and in estuaries, at depths of about 1 to 75 m. It gives birth to live young, about four pups per litter, born in summer at about 43 to 60 cm. It matures at about 177 cm. It is harmless to people. In Kenya, 24 newborn-sized animals (23 to 60 cm) were caught in prawn trawls in Malindi-Ungwana Bay in 2019 to 2021, and this is the only Kenyan coastal site where newborns have been documented.

Where it goes

Little is known about how far it travels. It lives in the Red Sea, the Persian Gulf and the western Indian Ocean down to South Africa. In Kenya, newborn wedgefish have been recorded in Malindi-Ungwana Bay, which suggests the bay is used as a nursery.

We only draw a journey on the map when scientists have tracked it or clearly documented it. For this animal we have not found one yet.

Populations

Critically Endangered worldwide. Fishing has reduced its numbers by more than 80 percent over three generations. It was once thought to be one widespread Indo-Pacific species, but research showed a group of four species, and this one is restricted to the Red Sea, the Persian Gulf and the western Indian Ocean to South Africa. It is on CITES Appendix II. In Kenya, the bay is recognised as an Important Shark and Ray Area, and the species is caught as bycatch in prawn trawls. In 2022, Kenya landed 1,080 tonnes of sharks and rays, and almost half the rays landed were immature.

Meet it respectfully

Wedgefish are shy bottom dwellers. If you meet one, stay still and keep your distance, hold your position above the seabed and let it move off. Never chase, touch, feed or bait it, and keep fins and cameras away from the sand around it. Although it is harmless to people, it is fragile and rare. Ask your operator what local rules apply; none were checked for this card.

Fun fact

Tap the bulb to light it up.

Where you may meet it

Whitespotted wedgefish in the Ocean Atlas

Places we have researched where this animal is recorded. It is never guaranteed, and some places are for watching from the boat only.

FijiTanzaniaW. SaharaCanadaKazakhstanUzbekistanPapua New GuineaIndonesiaArgentinaDem. Rep. CongoSomaliaKenyaSudanChadRussiaFalkland Is.Fr. S. Antarctic LandsTimor-LesteSouth AfricaLesothoUruguayBrazilSurinameFranceZimbabweBotswanaNamibiaSenegalMaliMauritaniaBeninNigerNigeriaCameroonTogoGhanaCôte d'IvoireGuineaGuinea-BissauLiberiaSierra LeoneBurkina FasoCentral African Rep.CongoGabonEq. GuineaZambiaMalawiMozambiqueeSwatiniAngolaBurundiIsraelLebanonMadagascarPalestineGambiaTunisiaAlgeriaJordanUnited Arab EmiratesQatarKuwaitIraqOmanVanuatuCambodiaThailandLaosMyanmarVietnamNorth KoreaSouth KoreaMongoliaIndiaBangladeshBhutanNepalPakistanAfghanistanTajikistanKyrgyzstanTurkmenistanIranSyriaArmeniaUkraineRomaniaBulgariaGreeceTurkeyAlbaniaCroatiaPortugalSpainNew CaledoniaSolomon Is.New ZealandAustraliaSri LankaChinaTaiwanItalyAzerbaijanGeorgiaPhilippinesMalaysiaBruneiSloveniaEritreaJapanParaguayYemenSaudi ArabiaN. CyprusCyprusMoroccoEgyptLibyaEthiopiaDjiboutiSomalilandUgandaRwandaBosnia and Herz.MacedoniaSerbiaMontenegroKosovoS. SudanWatamu, KenyaDiani, KenyaShimoni and Kisite, KenyaBaird Bay and Eyre Peninsula, AustraliaBarunguba and Narooma, AustraliaBremer Bay, AustraliaCairns, Port Douglas and the Ribbon Reefs, AustraliaChristmas Island, AustraliaCocos (Keeling) Islands, AustraliaLady Elliot Island, AustraliaLord Howe Island, AustraliaNingaloo, AustraliaRowley Shoals, AustraliaTasman Peninsula and Eaglehawk Neck, AustraliaMaria Island and the east coast, AustraliaAliwal Shoal and Umkomaas, South AfricaCape Town and Hermanus, South AfricaSodwana Bay, South AfricaTofo, MozambiqueLakshadweep (Agatti, Bangaram, Kadmat), IndiaNetrani and Murudeshwar, IndiaSwaraj Dweep (Havelock) and Barren Island, IndiaOkinawa, JapanAmed, Bali, IndonesiaGili Trawangan, IndonesiaKomodo, IndonesiaGili Air, IndonesiaMaratua and Derawan, IndonesiaRaja Ampat, IndonesiaNusa Penida, IndonesiaLovina, Bali, IndonesiaXiaoliuqiu, TaiwanHualien, TaiwanKhao Lak, Similan and Surin Islands, ThailandKoh Lanta and Hin Daeng, ThailandKoh Tao, Thailand

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