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Greenland shark

Somniosus microcephalus

O imenu: Its family, Somniosidae, is known as the sleeper sharks.1

Samo boliBoli, a te ne bo resno poškodovala.

Druge živali, strupene za dotik ali zaužitje

Strupena za zaužitjeJe: MesoStrupena za dotik ali zaužitje, ne ob ugrizu ali piku

Nevarnost za ljudi: BolečeLahko zelo boli, a skoraj nikoli ni resno.

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

Strupena ob ugrizu ali ob dotiku? Nekatere živali strup vbrizgajo z ugrizom ali pikom: te so strupene ob ugrizu ali piku. Druge so škodljive, če se jih dotakneš ali jih poješ: te so strupene za dotik ali zaužitje. Ta žival je strupena za dotik ali zaužitje.

Živi v

North Atlantic and Arctic Oceans1

Arktični ocean, Atlantski ocean

Domov

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

Dolžina

4 m do 6,4 m (13 ft do 21 ft)1

Teža

1023 kg (2255 lb)1

Največja hitrost

približno 2,6 km/h (1,6 mph)

Plavanje: eden najpočasnejših morskih psov, kar so jih kdaj izmerili

Kaj je?

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

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

Kako jo prepoznaš

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

Moč strupa

Strupena za zaužitje

Škodljiva je samo, če jo kaj poje.

Kaj naredi njen strup, če se je dotakneš ali jo poješ?

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

Kako nevarna je za ljudi?

Nevarnost za ljudi: BolečeLahko zelo boli, a skoraj nikoli ni resno.

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

Kaj naredi, ko se prestraši?

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

Če se je je kdo dotaknil ali jo pojedel

Če jo je kdo pojedel ali ima po zaužitju simptome: takoj pokliči številko za klic v sili ali center za zastrupitve.

Vedno najprej pokliči številko za klic v sili (112, 000, 911). To so splošna navodila za prvo pomoč, ne zdravniški nasvet. Osnove prve pomoči

Ostani varen

Nikoli se ne dotikaj divje živali, je ne lovi in je ne draži, tudi če je majhna in tudi če je videti, kot da spi ali je mrtva.
Pusti ji prostor. Če jo srečaš, ostani miren, počasi stopi nazaj in jo pusti, da gre svojo pot.
Če si se je dotaknil ali jo pojedel: ne drgni si oči ali ust, umij si roke in poišči zdravniško pomoč.

Ne preži nate. Njen strup je tam samo zato, da je nihče ne poje. Več o varnosti

Kje na svetu?

Afrika Azija Evropa Severna Amerika Južna Amerika Avstralija in Oceanija Atlantski ocean Arktični ocean

Kako velika je?

Kako dolga je?

Koliko tehta?

težka kot 51 psov

dolga kot 6 psov od nosu do repadolga kot 36 banan, položenih ena za drugozmore preplavati dolžino velikega bazena (50 m) v 69 sekundah

Kakšne velikosti je Greenland shark v primerjavi s TABO?

Samo matematika v tvojem brskalniku. Nič se ne shrani in nič se nikamor ne pošlje.

Kako hitra je?

Vrtni polž približno 0,05 km/h (0,03 mph)

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

Človek, ki plava približno 3 km/h (1,9 mph)

vredno vedeti

Dejstva

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

Razbijalec mitov

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

Resnica: 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

Za strokovnjake za strupe

Znanstveno ime: Somniosus microcephalus
Skupina: Druge živali, strupene za dotik ali zaužitje
Družina: Somniosidae2
Red: Squaliformes
Celine: Arktični ocean, Atlantski ocean, Oceani
Mladiči: 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
Nevarnost za ljudi: 2 / 5: Boleče3

Od kod so dejstva

Greenland shark (Wikipedia (CC BY-SA 4.0))
Somniosus microcephalus (iNaturalist): imena in razvrstitev.
Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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