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Greenland shark

Somniosus microcephalus

Izenari buruz: Its family, Somniosidae, is known as the sleeper sharks.1

Min ematen du, besterik ezMin ematen du, baina ez dizu kalte larririk egingo.

Beste animalia toxiko batzuk

Toxikoa jatekoJaten du: HaragiaToxikoa, ez pozoitsua

Arriskua pertsonentzat: MingarriaBenetan min handia eman dezake, baina ia inoiz ez da larria.

The Greenland shark is a huge, slow shark that lives in the cold, deep waters of the North Atlantic and Arctic Oceans. It is famous for living longer than any known vertebrate (animal with a backbone). Its flesh is poisonous to eat unless it is specially prepared.1

Toxikoa ala pozoitsua? Animalia pozoitsuek pozoia sartzen dute kosk edo ziztada baten bidez. Animalia toxikoak kaltegarriak dira ukitzeko edo jateko. Hau toxikoa da.

Non bizi den

North Atlantic and Arctic Oceans1

Ozeano Artikoa, Ozeano Atlantikoa

Hasiera

It lives in cold deep water, usually between 100 and 1,200 metres down, where temperatures range from -1.1 to 7.4 °C. In winter it gathers in shallower water for warmth. It is sometimes seen around fishing boats and herds of seals, where it is drawn by the smell of rotting meat.1

Luzera

4 m eta 6,4 m artean (13 ft eta 21 ft artean)1

Pisua

1023 kg (2255 lb)1

Abiadura handiena

2,6 km/h inguru (1,6 mph)

Igeriketa: inoiz neurtutako marrazorik motelenetako bat

Zer jaten du?

It is both a scavenger and an active predator, eating fish, seals, squid and sometimes small whales. It may ambush seals while they are asleep, and it uses suction to draw prey into its mouth. It also eats carrion.1

Argazkia: Greenland shark — Greenland shark. Argazkia: Hemming1952. CC BY-SA 4.0, iNaturalist.

Nola ezagutu

A thickset, heavy body with a short, rounded snout1
Small eyes and small dorsal and pectoral fins1
Five very small gill openings for its size1
Colour ranges from pale creamy-grey to blackish-brown, usually uniform, sometimes with whitish spots or faint dark streaks on the back1
Often has small parasitic copepods (crustaceans) attached to its eyes1

Pozoi-indarra

Toxikoa jateko

Zerbaitek jaten badu bakarrik da kaltegarria.

Zer egiten du bere toxinak?

The shark is not venomous. Its meat is poisonous to mammals because it contains high levels of trimethylamine N-oxide (TMAO), a natural chemical that makes the flesh toxic.1

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: MingarriaBenetan min handia eman dezake, baina ia inoiz ez da larria.

Greenland sharks are not considered a threat to people, because they live deep in remote, cold waters. Only one possible attack is recorded, in 1936, and it was never linked to this species. One unverified report from around 1859 describes a human leg found in a shark's stomach.1

Zer egiten du beldurtzen denean?

When hauled onto a boat, it thrashes its tail so violently that it is dangerous to stand near it, and its muscles can still twitch after death.1

Norbaitek ukitu edo jan badu

Norbaitek jan badu edo jan ondoren sintomak baditu: deitu berehala zure larrialdi-zenbakira edo intoxikazio-zentrora.

Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak

Egon seguru

Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
Ukitu edo jan baduzu: ez igurtzi begiak edo ahoa, garbitu eskuak eta lortu mediku-laguntza.

Ez dabil zure atzetik. Pozoia ezerk jan ez dezan baino ez du. Seguru egoteari buruz gehiago

Munduko zein tokitan?

Afrika Asia Europa Ipar Amerika Hego Amerika Australia eta Ozeania Ozeano Atlantikoa Ozeano Artikoa

Zein handia da?

Zein luzea da?

Zein astuna da?

51 txakur bezain astuna

6 txakur muturretik buztanera jarrita bezain luzea36 banana bata bestearen atzetik jarrita bezain luzeaigerileku handi baten luzera (50 m) igerian egin lezake 69 segundotan

Zein handia da Greenland shark ZUREKIN alderatuta?

Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.

Zein azkarra da?

Lorategiko barraskilo bat 0,05 km/h inguru (0,03 mph)

Greenland shark 2,6 km/h inguru (1,6 mph)

Igerian ari den pertsona bat 3 km/h inguru (1,9 mph)

jakin beharrekoa

Datuak

It is thought to have the longest lifespan of any known vertebrate, estimated at between 272 and 510 years.1

It is one of the slowest-swimming fish for its size, with a fastest cruising speed of about 2.7 km/h.1

Parasitic copepods often attach to its eyes and can damage them, but this does not seem to shorten its life, because it relies mainly on smell and hearing.1

It is one of the largest shark species alive, with the largest confirmed specimen weighing around 1,023 kg.1

In Iceland, a specially treated form of its meat is eaten as a pungent delicacy called kæstur hákarl.1

Its slow metabolism is thought to be linked to its very long life, although this is still a hypothesis.1

Mito-hauslea

Mitoa: The Greenland shark is a dangerous threat to humans.

Egia: It is not considered a threat to people. It lives deep in cold, remote waters, and the only report of a possible attack was never confirmed as this species.1

Pozoi-adituentzat

Izen zientifikoa: Somniosus microcephalus
Taldea: Beste animalia toxiko batzuk
Familia: Somniosidae2
Ordena: Squaliformes
Kontinenteak: Ozeano Artikoa, Ozeano Atlantikoa, Ozeanoak
Kumeak: Pups are born alive, after an estimated gestation period of 8 to 18 years. Females reach sexual maturity at around 150 years of age.1
Arriskua pertsonentzat: 2 / 5: Mingarria3

Datuak nondik datozen

Greenland shark (Wikipedia (CC BY-SA 4.0))
Somniosus microcephalus (iNaturalist): izenak eta sailkapena.
Venom Wiki: arrisku-maila, ohiko tamaina eta abiadura-kalkulua geureak dira. Ikusi nola kalkulatzen ditugun: Nola baloratzen dugun arriskua.

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