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Risba: Short-tail stingray
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Short-tail stingray

Bathytoshia brevicaudata
O imenu: The scientific name Bathytoshia brevicaudata comes from the Latin words brevis (short) and cauda (tail), which refer to its short tail.1
Lahko ubijeBrez zdravljenja te lahko ubije. Če te piči, hitro poišči pomoč.
Strupene ribe PikiJe: Meso
Nevarnost za ljudi: Zelo nevarnaČloveka, ki ne dobi zdravljenja, lahko ubije.

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

Živi v
Temperate waters of the Southern Hemisphere: southern Africa, southern Australia, including Tasmania, and New Zealand1
Indijski ocean, Tihi ocean, Koralno morje
Domov
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
Dolžina
4,3 m (14 ft)1
Teža
350 kg (772 lb)1
Največja hitrost
približno 30 km/h (19 mph)
Plavanje, groba ocena
Kaj je?
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
Zares!Fotografija: Short-tail stingray
Short-tail stingray. Fotografija: Alpha from Melbourne, Australia. CC BY-SA 2.0, Wikimedia Commons.

Kako jo prepoznaš

  • 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

Pogosto zamenjujejo z: 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

Moč strupa

Piki

Strup pride ven skozi želo.

Kaj naredi njen strup, ko ugrizne ali piči?

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

Kako nevarna je za ljudi?

Nevarnost za ljudi: Zelo nevarnaČloveka, ki ne dobi zdravljenja, lahko ubije.

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

Kaj naredi, ko se prestraši?

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

Če piči

  • Rano daj v vročo vodo, tako vročo, kot jo poškodovanec prenese, ne da bi se opekel (preizkusi jo s svojo roko), za 30 do 90 minut. Poišči zdravniško pomoč, še posebej pri kamnitih ribah in morskih bičih.

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 te piči: ostani miren, ne premikaj se, pokliči številko za klic v sili (112, 000, 911) ali hitro pojdi v bolnišnico. Zapomni si, kako je izgledala, fotografija pomaga.

Ne preži nate. Strup uporablja, da ulovi hrano ali se zaščiti, in se veliko raje skrije. Več o varnosti

Kje na svetu?

AfrikaAzijaEvropaSeverna AmerikaJužna AmerikaAvstralija in OceanijaTihi oceanIndijski oceanKoralno morje

Kako velika je?

Kako dolga je?

Short-tail stingray približno 4,3 m dolga (14 ft)Kolo za odrasle približno 1,8 m (5,9 ft)Avto približno 4,5 m (15 ft)

Koliko tehta?

težka kot 18 psov
dolga kot 4 psov od nosu do repadolga kot 24 banan, položenih ena za drugozmore preplavati dolžino velikega bazena (50 m) v 6 sekundah

Kakšne velikosti je Short-tail stingray v primerjavi s TABO?

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

Kako hitra je?

vredno vedeti

Dejstva

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

Za strokovnjake za strupe

Znanstveno ime
Bathytoshia brevicaudata
Skupina
Strupene ribe
Družina
Dasyatidae2
Red
Myliobatiformes
Celine
Indijski ocean, Tihi ocean, Koralno morje, Oceani
Mladiči
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
Kako ji gre v naravi
Least Concern (IUCN)1
Nevarnost za ljudi
4 / 5: Zelo nevarna3

Od kod so dejstva

  1. Short-tail stingray (Wikipedia (CC BY-SA 4.0))
  2. Bathytoshia brevicaudata (iNaturalist): imena in razvrstitev.
  3. Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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