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Ikhathuni ka-Short-tail stingray
Inombolo 1243 kwezi-1 402

Short-tail stingray

Bathytoshia brevicaudata
Malunga negama: The scientific name Bathytoshia brevicaudata comes from the Latin words brevis (short) and cauda (tail), which refer to its short tail.1
SinokubulalaSinokukubulala ukuba awunyangwanga. Ukuba siyakuhlaba, fumana uncedo ngokukhawuleza.
Iintlanzi ezinetyhefu UkuhlabaSitya: Inyama
Ingozi ebantwini: Siyingozi kakhuluSinokubulala umntu ongafumani nyango.

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

Sihlala
Temperate waters of the Southern Hemisphere: southern Africa, southern Australia, including Tasmania, and New Zealand1
uLwandlekazi lwaseIndiya, uLwandlekazi lwePasifiki, uLwandle lweCoral
Ekhaya
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
Ubude
4,3 m (14 ft)1
Ubunzima
350 kg (772 lb)1
Esona santya siphezulu
malunga ne-30 km/h (19 mph)
Ukuqubha, uqikelelo nje
Sitya ntoni?
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
Ngokwenene!Ifoto ka-Short-tail stingray
Short-tail stingray. Ifoto: Alpha from Melbourne, Australia. CC BY-SA 2.0, Wikimedia Commons.

Indlela yokusiqaphela

  • 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

Sidla ngokubhidaniswa no: 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

Amandla etyhefu yokuluma nokuhlaba

Ukuhlaba

Ityhefu iphuma ngenaliti yokuhlaba.

Ityhefu yaso yokuluma okanye yokuhlaba yenza ntoni?

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

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: Siyingozi kakhuluSinokubulala umntu ongafumani nyango.

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

Senza ntoni xa soyika?

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

Ukuba siyahlaba

  • Faka inxeba emanzini ashushu, ashushu kangangoko umntu angakwazi ukunyamezela ngaphandle kokutshiswa (wavavanye ngesandla sakho), imizuzu engama-30 ukuya kwengama-90. Fumana uncedo lwezonyango, ingakumbi kwii-stonefish nakwii-stingray.

Soloko utsalela inombolo kaxakeka kuqala (112, 000, 911). Esi sisikhokelo soncedo lokuqala ngokubanzi, asilocebiso lwezonyango. Iziseko zoncedo lokuqala

Hlala ukhuselekile

  • Ungaze uchukumise, ubambe okanye uqhule isilwanyana sasendle, nokuba sincinci, kwaye nokuba sibonakala silele okanye sifile.
  • Sinike indawo. Ukuba udibana naso, hlala uzolile, buyela umva kancinci kwaye usiyeke sihambe ngendlela yaso.
  • Ukuba siyakuhlaba: hlala uzolile, musa ukushukuma, tsalela inombolo kaxakeka (112, 000, 911) okanye uye esibhedlele ngokukhawuleza. Khumbula ukuba sasikhangeleka njani, ifoto iyanceda.

Asikuzingeli. Sisebenzisa ityhefu yaso ukubamba ukutya okanye ukuzikhusela, kwaye singakhetha ukuzimela. Okungakumbi malunga nokuhlala ukhuselekile

Phi emhlabeni?

IAfrikaIAsiyaIYurophuuMntla MelikauMzantsi MelikaIOstreliya neOceaniauLwandlekazi lwePasifikiuLwandlekazi lwaseIndiyauLwandle lweCoral

Sikhulu kangakanani?

Side kangakanani?

Short-tail stingray malunga ne-4,3 m ubude (14 ft)Ibhayisekile yomntu omdala malunga ne-1,8 m (5,9 ft)Imoto malunga ne-4,5 m (15 ft)

Sinzima kangakanani?

ubunzima obulingana nezinja eziyi-18
ubude obulingana nezinja eziyi-4 ukusuka empumlweni ukuya emsileniubude obulingana neebhanana eziyi-24 zilandelelanasingaqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana eyi-6

U-Short-tail stingray mkhulu kangakanani xa uthelekisa NAWE?

Zizibalo nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwa naphi na.

Sikhawuleza kangakanani?

kufanelekile ukwazi

Iinyaniso

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

Kwiingcali zetyhefu

Igama lenzululwazi
Bathytoshia brevicaudata
Iqela
Iintlanzi ezinetyhefu
Usapho
Dasyatidae2
Ucwangco
Myliobatiformes
Amazwekazi
uLwandlekazi lwaseIndiya, uLwandlekazi lwePasifiki, uLwandle lweCoral, Iilwandlekazi
Iintsana
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
Imeko yaso endle
Least Concern (IUCN)1
Ingozi ebantwini
4 / 5: Siyingozi kakhulu3

Apho iinyaniso zivela khona

  1. Short-tail stingray (Wikipedia (CC BY-SA 4.0))
  2. Bathytoshia brevicaudata (iNaturalist): amagama nokuhlelwa.
  3. Venom Wiki: inqanaba lengozi, ubungakanani obuqhelekileyo noqikelelo lwesantya zezethu. Bona indlela esizifumana ngayo: Indlela esilinganisa ngayo ingozi.

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