Ocean Atlas · Animals

Rays

Longnosed skate

Dipturus oxyrinchus

A long-snouted skate of the deep sea floor that almost no visitor meets, so no trip can promise a sighting.

VulnerableIn 8 Atlas countries

Vulnerable (IUCN, 2023) means it faces a high risk of extinction in the wild, because it grows slowly, breeds late and is caught in trawls.

Length

Up to about 150 cm (59 in) total length (FishBase). A Mediterranean study measured animals up to 93.5 cm

Weight

Not given in the sources read

Next to a person

The largest records are about as long as a tall adult stands, and most animals are shorter.

What it eats

Animals on the sea floor, mostly squid or octopus and crustaceans, but also other bottom invertebrates and fish. It uses its pointed snout to dig into the sea bed and uncover prey.

Around people

Deep, rarely met

How it lives

It lays eggs in rectangular capsules with short horns at the corners, and it breeds in spring and early summer. Hatchlings measure about 17 cm. FishBase lists depths of 70 to 1,461 m, usually around 200 m, and says it reaches maturity at about 120 cm. In a Mediterranean study, the oldest females were 12 years old and the oldest males 9, and other research suggests up to 25 years.

Where it goes

It lives on sand and mud on the sea floor and is not known for long migrations. FishBase gives its range as the eastern Atlantic from central Norway to Senegal, including the Mediterranean, the Canary and Madeira islands. Movement patterns are not described in the sources read.

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

Global: Vulnerable (IUCN, assessed 2023, as listed by FishBase). Older sources, such as CIESM and a 2022 Mediterranean study, still give Near Threatened. It is caught as bycatch in trawls, has little commercial value, and FishBase rates its vulnerability to fishing as very high, with a score of 77 out of 100. The sources read give no total population number.

Meet it respectfully

Visitors rarely see this skate, because it lives on sandy and muddy bottoms usually around 200 m down. If you ever see one on a fishing boat, leave the handling to the crew. Never chase, touch, feed or bait any wildlife, and follow your guide and local rules.

Fun fact

Tap the bulb to light it up.

Where you may meet it

Longnosed skate 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.

W. SaharaCanadaUnited States of AmericaKazakhstanUzbekistanDem. Rep. CongoSomaliaKenyaSudanChadHaitiDominican Rep.RussiaBahamasNorwayGreenlandMexicoBrazilColombiaPanamaCosta RicaNicaraguaHondurasEl SalvadorGuatemalaBelizeVenezuelaGuyanaSurinameFrancePuerto RicoJamaicaCubaSenegalMaliMauritaniaBeninNigerNigeriaCameroonTogoGhanaCôte d'IvoireGuineaGuinea-BissauLiberiaSierra LeoneBurkina FasoCentral African Rep.CongoIsraelLebanonPalestineGambiaTunisiaAlgeriaJordanUnited Arab EmiratesQatarKuwaitIraqOmanMongoliaIndiaNepalPakistanAfghanistanTajikistanKyrgyzstanTurkmenistanIranSyriaArmeniaSwedenBelarusUkrainePolandAustriaHungaryMoldovaRomaniaLithuaniaLatviaEstoniaGermanyBulgariaGreeceTurkeyAlbaniaCroatiaSwitzerlandLuxembourgBelgiumNetherlandsPortugalSpainIrelandSri LankaChinaItalyDenmarkUnited KingdomIcelandAzerbaijanGeorgiaSloveniaFinlandSlovakiaCzechiaEritreaYemenSaudi ArabiaN. CyprusCyprusMoroccoEgyptLibyaEthiopiaDjiboutiSomalilandUgandaBosnia and Herz.MacedoniaSerbiaMontenegroKosovoTrinidad and TobagoS. SudanLastovo, CroatiaLošinj, CroatiaVis and Komiža, CroatiaAjaccio and the Gulf of Ajaccio, FranceBonifacio, Porto-Vecchio and the Lavezzi Islands, FranceMarseille, the Calanques and Cassis, FrancePort-Cros, Porquerolles and Hyères, FranceVillefranche-sur-Mer and Nice, FranceWest Cork coast, IrelandDingle Peninsula and Blasket Islands, IrelandShannon Estuary and Loop Head, IrelandUstica, Sicily, ItalyTavolara and Capo Carbonara, Sardinia, ItalyPortofino and the Ligurian Sea, ItalyPlemmirio, Syracuse, ItalySkjervøy and Kvænangen, NorwayFaial and Horta, PortugalMadeira, PortugalPico (Madalena and Lajes), PortugalPrincess Alice Bank, PortugalCabo de Palos and Cartagena, SpainEl Hierro and La Restinga, SpainFormentera, SpainFuerteventura, SpainGran Canaria, SpainIbiza, SpainJávea (Xàbia), SpainL'Estartit and the Medes Islands, SpainLa Herradura and Costa Tropical, SpainLa Palma, SpainLanzarote, SpainMallorca, SpainMenorca, SpainMálaga and the Costa del Sol, SpainTabarca and Alicante, SpainTarifa and the Strait of Gibraltar, SpainTenerife, SpainInner Hebrides (Coll, Tiree and Mull), United KingdomMoray Firth and Chanonry Point, United KingdomOrkney and Scapa Flow, United KingdomFarne Islands, United KingdomLundy, United Kingdom

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