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Kartun Short-tail stingray
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Short-tail stingray

Bathytoshia brevicaudata
Tentang nama: The scientific name Bathytoshia brevicaudata comes from the Latin words brevis (short) and cauda (tail), which refer to its short tail.1
Boleh membunuhBoleh membunuh kamu tanpa rawatan. Jika ia menyengat kamu, dapatkan bantuan dengan cepat.
Ikan berbisa SengatanMakan: Daging
Bahaya kepada manusia: Sangat berbahayaIa boleh membunuh orang yang tidak mendapat rawatan.

The short-tail stingray is one of the largest stingrays in the world. It lives in temperate seas off southern Africa, southern Australia and New Zealand, mostly on or near the sea floor. It is not aggressive, but its long venomous sting can cause a serious wound if the ray is startled.1

Hidup di
Temperate waters of the Southern Hemisphere: southern Africa, southern Australia, including Tasmania, and New Zealand1
Lautan Hindi, Lautan Pasifik, Laut Karang
Laman utama
It lives on the bottom in estuaries, sheltered bays, sandy flats, rocky reefs and the outer continental shelf, and sometimes swims up into open water. Off southern Africa it is usually found offshore, at depths of 180 to 480 m. Off Australia and New Zealand it can be found from the intertidal zone down to 156 m. At Hamelin Bay in Western Australia, many rays gather where visitors hand-feed them fish scraps.1
Panjang
4.3 m (14 ft)1
Berat
350 kg (772 lb)1
Kelajuan maksimum
kira-kira 30 km/j (19 mph)
Berenang, anggaran kasar
Apa yang ia makan?
It eats bony fishes and invertebrates such as molluscs and crustaceans, including burrowing species. It finds buried bivalves and spoon worms by detecting the tiny water jets they produce, then sucks them out of the sediment. It also eats open-water animals such as salps and hyperiid amphipods.1
Betul-betul!Gambar Short-tail stingray
Short-tail stingray. Gambar: Alpha from Melbourne, Australia. CC BY-SA 2.0, Wikimedia Commons.

Cara mengenalinya

  • Diamond-shaped, heavy disc that is smooth, with no scales (dermal denticles) on the disc even in adults1
  • Plain grey-brown back, darkening towards the tail and above the eyes, with a line of white pores on either side of the head1
  • Whitish underside, darkening towards the edges of the fins1
  • Tail usually shorter than the disc, thick at the base, with one or two serrated stinging spines about halfway along it1
  • Adults have a row of large, spear-like thorns in front of the sting1

Sering dikelirukan dengan: The pitted stingray (Dasyatis matsubarai) of the northwestern Pacific looks similar but is smaller. Records of this species from northern Australia and Thailand are thought to be other rays that were misidentified.1

Kuasa bisa

Sengatan

Bisa keluar melalui penyengat.

Apa kesan bisanya?

Its sting is venomous. The mucous sheath covering the sting contains a toxin that causes necrosis, which means the death of body tissue. The most dangerous injuries involve damage to a vital organ, heavy blood loss, or secondary infection (sepsis) or tetanus.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: Sangat berbahayaIa boleh membunuh orang yang tidak mendapat rawatan.

The short-tail stingray is not aggressive, but if startled or harassed it can inflict a serious and even fatal wound. Its sting can be over 30 cm long and can penetrate most footwear, including kevlar bootees. It is responsible for most stingray injuries off New Zealand, including the death of Australian naturalist Steve Irwin, who was pierced in the chest by its barbed tail.1

Apa yang ia buat apabila takut?

When threatened, it raises its tail over its back like a scorpion, and a startled ray can leap through the water and strike with its tail.1

Jika ia menyengat

  • Rendam luka dalam air panas, sepanas yang orang itu boleh tahan tanpa melecur (uji dengan tangan kamu sendiri), selama 30 hingga 90 minit. Dapatkan bantuan perubatan, terutamanya untuk ikan batu dan ikan pari.

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 ia menyengat kamu: bertenang, jangan bergerak, hubungi nombor kecemasan (112, 000, 911) atau pergi ke hospital dengan segera. Ingat rupanya, gambar boleh membantu.

Ia bukan mahu memburu kamu. Ia guna bisanya untuk menangkap makanan atau melindungi diri, dan ia lebih suka bersembunyi. Lagi tentang keselamatan

Di mana di dunia?

AfrikaAsiaEropahAmerika UtaraAmerika SelatanAustralia & OceaniaLautan PasifikLautan HindiLaut Karang

Berapa besar ia?

Berapa panjang ia?

Short-tail stingray panjangnya kira-kira 4.3 m (14 ft)Basikal orang dewasa kira-kira 1.8 m (5.9 ft)Kereta kira-kira 4.5 m (15 ft)

Berapa berat ia?

seberat 18 ekor anjing
sepanjang 4 ekor anjing dari hidung ke ekorsepanjang 24 biji pisang disusun hujung ke hujungboleh berenang sepanjang kolam renang besar (50 m) dalam 6 saat

Berapa besar Short-tail stingray berbanding KAMU?

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

Berapa laju ia?

berguna untuk diketahui

Fakta

1

It can flap its pectoral fins with enough force to make a loud audible 'bang' in the water, although it is usually slow-moving.1

2

It is one of the largest stingrays in the world, and reliable observers off New Zealand have reported individuals almost 3 m across.1

3

Captive experiments suggest it can detect magnetic fields, which may help it navigate.1

4

Every summer, large groups gather under the rocky archways of the Poor Knights Islands off New Zealand, where both mating and birthing have been seen.1

5

Captive females have been observed mating with up to three different males in succession.1

Untuk pakar bisa

Nama saintifik
Bathytoshia brevicaudata
Kumpulan
Ikan berbisa
Keluarga
Dasyatidae2
Susunan
Myliobatiformes
Benua-benua
Lautan Hindi, Lautan Pasifik, Laut Karang, Lautan
Anak
It gives birth to live young. Females usually have litters of 6 to 10 pups in summer, and newborns measure 32 to 36 cm across.1
Keadaannya di alam liar
Least Concern (IUCN)1
Bahaya kepada manusia
4 / 5: Sangat berbahaya3

Dari mana fakta datang

  1. Short-tail stingray (Wikipedia (CC BY-SA 4.0))
  2. Bathytoshia brevicaudata (iNaturalist): nama dan pengelasan.
  3. Venom Wiki: tahap bahaya, saiz biasa dan anggaran kelajuan adalah penilaian kami sendiri. Lihat cara kami mengiranya: Cara kami menilai bahaya.

Setiap fakta di halaman ini ada nombor yang menunjuk kepada sumbernya. Jika kami tersilap, maaf, kami peminat haiwan, bukan jurnal sains. Beritahu kami di [email protected] dan kami akan betulkan.

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