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Spotprent van Greenland shark
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Greenland shark

Somniosus microcephalus
Oor die naam: Its family, Somniosidae, is known as the sleeper sharks.1
Maak net seerDit maak seer, maar dit sal jou nie ernstig skade doen nie.
Ander diere wat giftig is om aan te raak of te eet Giftig om te eetEet: VleisGiftig om aan te raak of te eet, nie deur 'n byt of steek nie
Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

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

Giftig deur 'n byt of steek, of giftig om aan te raak of te eet? Sommige diere spuit gif in met 'n byt of 'n steek. Ander is skadelik om aan te raak of te eet. Hierdie een is giftig om aan te raak of te eet.
Leef in
North Atlantic and Arctic Oceans1
Arktiese Oseaan, Atlantiese Oseaan
Tuis
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
Lengte
4 m tot 6,4 m (13 ft tot 21 ft)1
Gewig
1023 kg (2255 lb)1
Topspoed
omtrent 2,6 km/h (1,6 mph)
Swem: een van die stadigste haaie wat al ooit gemeet is
Wat eet dit?
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
Regtig waar!Foto van Greenland shark
Greenland shark. Foto: Hemming1952. CC BY-SA 4.0, iNaturalist.

Hoe om dit te herken

  • 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

Gifkrag

Giftig om te eet

Dit is net skadelik as iets dit eet.

Wat doen sy gif as jy daaraan raak of dit eet?

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

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

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

Wat doen dit as dit bang is?

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

As iemand daaraan geraak of dit geëet het

  • As iemand dit geëet het of simptome kry nadat hy dit geëet het: bel dadelik jou noodnommer of 'n gifsentrum.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

  • Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
  • Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
  • As jy daaraan geraak of dit geëet het: moenie jou oë of mond vryf nie, was jou hande en kry mediese hulp.

Dit is nie uit om jou te kry nie. Sy gif is net daar sodat niks dit eet nie. Meer oor veilig bly

Waar in die wêreld?

AfrikaAsiëEuropaNoord-AmerikaSuid-AmerikaAustralië & OseaniëAtlantiese OseaanArktiese Oseaan

Hoe groot is dit?

Hoe lank is dit?

Greenland shark omtrent 6,4 m lank (21 ft)'n Motor omtrent 4,5 m (15 ft)'n Stadsbus omtrent 12 m (39 ft)

Hoe swaar is dit?

so swaar soos 51 honde
so lank soos 6 honde neus tot stertso lank soos 36 piesangs punt aan puntkan die lengte van 'n groot swembad (50 m) in 69 sekondes swem

Hoe groot is Greenland shark in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

die moeite werd om te weet

Feite

1

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

2

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

3

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

4

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

5

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

6

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

Mite-breker

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

Waarheid: 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

Vir gifkenners

Wetenskaplike naam
Somniosus microcephalus
Groep
Ander diere wat giftig is om aan te raak of te eet
Familie
Somniosidae2
Orde
Squaliformes
Kontinente
Arktiese Oseaan, Atlantiese Oseaan, Die oseane
Babas
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
Gevaar vir mense
2 / 5: Pynlik3

Waar die feite vandaan kom

  1. Greenland shark (Wikipedia (CC BY-SA 4.0))
  2. Somniosus microcephalus (iNaturalist): name en klassifikasie.
  3. Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

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