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Greenland shark

Somniosus microcephalus

Tentang nama: Its family, Somniosidae, is known as the sleeper sharks.1

Sakit sahajaIa sakit, tetapi tidak akan mencederakan kamu dengan serius.

Haiwan beracun lain

Beracun jika dimakanMakan: DagingBeracun, bukan berbisa

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

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

Beracun atau berbisa? Haiwan berbisa menyuntik bisa melalui gigitan atau sengatan. Haiwan beracun berbahaya untuk disentuh atau dimakan. Yang ini beracun.

Hidup di

North Atlantic and Arctic Oceans1

Lautan Artik, Lautan Atlantik

Laman utama

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

Panjang

4 m hingga 6.4 m (13 ft hingga 21 ft)1

Berat

1023 kg (2255 lb)1

Kelajuan maksimum

kira-kira 2.6 km/j (1.6 mph)

Berenang: antara jerung paling perlahan yang pernah diukur

Apa yang ia makan?

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

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

Cara mengenalinya

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

Kuasa racun

Beracun jika dimakan

Ia hanya berbahaya jika ada yang memakannya.

Apa kesan racunnya?

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

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

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

Apa yang ia buat apabila takut?

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

Jika seseorang menyentuh atau memakannya

Jika seseorang memakannya atau ada simptom selepas memakannya: hubungi nombor kecemasan atau pusat racun dengan segera.

Sentiasa hubungi nombor kecemasan dahulu (112, 000, 911). Ini panduan pertolongan cemas umum, bukan nasihat perubatan. Asas pertolongan cemas

Kekal selamat

Jangan sesekali sentuh, tangkap atau usik haiwan liar, walaupun yang kecil, dan walaupun ia nampak tidur atau mati.
Beri ia ruang. Jika kamu terjumpa, bertenang, undur perlahan-lahan dan biarkan ia pergi.
Jika kamu menyentuh atau memakannya: jangan gosok mata atau mulut, basuh tangan dan dapatkan bantuan perubatan.

Ia bukan mahu memburu kamu. Racunnya ada hanya supaya tiada apa yang memakannya. Lagi tentang keselamatan

Di mana di dunia?

Afrika Asia Eropah Amerika Utara Amerika Selatan Australia & Oceania Lautan Atlantik Lautan Artik

Berapa besar ia?

Berapa panjang ia?

Berapa berat ia?

seberat 51 ekor anjing

sepanjang 6 ekor anjing dari hidung ke ekorsepanjang 36 biji pisang disusun hujung ke hujungboleh berenang sepanjang kolam renang besar (50 m) dalam 69 saat

Berapa besar Greenland shark berbanding KAMU?

Hanya matematik dalam pelayar kamu. Tiada apa yang disimpan atau dihantar ke mana-mana.

Berapa laju ia?

Siput taman kira-kira 0.05 km/j (0.03 mph)

Greenland shark kira-kira 2.6 km/j (1.6 mph)

Orang berenang kira-kira 3 km/j (1.9 mph)

berguna untuk diketahui

Fakta

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

Pemecah mitos

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

Hakikat: 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

Untuk pakar bisa

Nama saintifik: Somniosus microcephalus
Kumpulan: Haiwan beracun lain
Keluarga: Somniosidae2
Susunan: Squaliformes
Benua-benua: Lautan Artik, Lautan Atlantik, Lautan
Anak: 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
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Greenland shark (Wikipedia (CC BY-SA 4.0))
Somniosus microcephalus (iNaturalist): nama dan pengelasan.
Venom Wiki: tahap bahaya, saiz biasa dan anggaran kelajuan adalah penilaian kami sendiri. Lihat cara kami mengiranya: Cara kami menilai bahaya.

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