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Pelagic stingray

Pteroplatytrygon violacea

Nomi haqida: The scientific name comes from Greek words meaning 'wing' or 'fin', 'broad' and 'stingray', plus the Latin for 'purple', which refers to its colour.1

Shifokor kerakKamdan-kam halokatli, lekin nish urganda shifokor kerak.

Zaharli baliqlar

Nish uradiOvqati: Goʻsht

Odamlar uchun xavf: JiddiyNish urganda shifokor kerak. Oʻlim holatlari juda kam.

The pelagic stingray is a ray that lives in the open ocean rather than on the sea floor, which sets it apart from almost all other stingrays. It is found in warm waters around much of the world. It can give a severe sting with its tail spine, so it matters most to people who work on fishing boats.1

Yashash joyi

Worldwide in warm tropical to warm-temperate ocean waters, between about 52°N and 50°S1

Atlantika okeani, Tinch okeani, Hind okeani, Oʻrta yer dengizi, Karib dengizi

Bosh sahifa

It lives in the open ocean, usually in surface waters down to about 100 m over deep water. It prefers water warmer than 19 °C and moves seasonally with warm water masses. People most often meet it as bycatch on fishing boats.1

Uzunlik

1,3 m (4,3 ft)1

Vazn

49 kg (108 lb)1

Eng yuqori tezlik

taxminan 21 km/soat (13 mil/soat)

Suzish, taxminiy

Nima yeydi?

It is an active hunter that wraps its pectoral fins around prey and moves it to its mouth. It eats crustaceans, squid and octopus, bony fishes such as herring and mackerel, jellyfish and comb jellies, and polychaete worms.1

Pelagic stingray surati — Pelagic stingray. Surat: Diego Delso. CC BY-SA 4.0, Wikimedia Commons.

Uni qanday tanish mumkin

The pectoral fin disc is a thick, wedge-shaped wing that is about one-third wider than it is long.1
It is a plain dark purple to blue-green above, with a slightly lighter shade below.1
The tail is whip-like, up to twice as long as the disc, with an extremely long, serrated spine about a third to halfway along it.1
Young rays are smooth-skinned, and small prickles and thorns appear with age.1

Zahar quvvati

Nish uradi

Zahar nish orqali chiqadi.

Uning zahari (chaqsa yoki nish ursa) nima qiladi?

The venom is on the tail spine and is quite potent, which is why other fishes avoid it.1

Odamlar uchun qanchalik xavfli?

Odamlar uchun xavf: JiddiyNish urganda shifokor kerak. Oʻlim holatlari juda kam.

It is rarely encountered except by fishery workers. Its tail spine can inflict a severe wound that can be fatal.1

Qoʻrqqanda nima qiladi?

When captured and handled, it releases a thick black mucus that covers its body, and its tail spine delivers venom.1

Agar nish ursa

Yarani issiq suvga sol, odam kuymasdan chiday oladigan darajada issiq boʻlsin (oʻz qoʻling bilan tekshir), 30 daqiqadan 90 daqiqagacha. Tibbiy yordam ol, ayniqsa tosh baliq va nishli skatda.

Har doim avval favqulodda yordam raqamiga qoʻngʻiroq qil (112, 000, 911). Bu birinchi yordam boʻyicha umumiy maslahat, tibbiy maslahat emas. Birinchi yordam asoslari

Xavfsiz boʻl

Hech qachon yovvoyi hayvonga tegma, uni tutma yoki jigʻiga tegma, hatto kichkina boʻlsa ham va hatto uxlayotgan yoki oʻlik koʻrinsa ham.
Unga joy ber. Agar duch kelsang, xotirjam boʻl, sekin orqaga chekin va uni oʻz yoʻliga ketishiga qoʻy.
Agar biri senga nish ursa: xotirjam boʻl, qimirlamay tur, favqulodda yordam raqamiga qoʻngʻiroq qil (112, 000, 911) yoki tezda kasalxonaga yet. U qanday koʻrinishda ekanini eslab qol, surat yordam beradi.

U seni ovlamoqchi emas. Zaharini ovqat tutish yoki oʻzini himoya qilish uchun ishlatadi va yashirinishni ancha afzal koʻradi. Xavfsiz qolish haqida batafsil

Dunyoning qayerida?

Afrika Osiyo Yevropa Shimoliy Amerika Janubiy Amerika Avstraliya va Okeaniya Tinch okeani Atlantika okeani Hind okeani Oʻrta yer dengizi Karib dengizi

U qanchalik katta?

U qanchalik uzun?

U qanchalik ogʻir?

2,5 ta itdek ogʻir

burnidan dumigacha tizilgan 2,5 ta uy mushugidek uzunketma-ket qoʻyilgan 7 ta banandek uzunkatta basseyn uzunligini (50 m) 8,6 soniyada suzib oʻtishi mumkin

Pelagic stingray SEN bilan solishtirganda qanchalik katta?

Faqat brauzeringdagi hisob-kitob. Hech narsa saqlanmaydi va hech qayerga yuborilmaydi.

U qanchalik tez?

Olimpiya suzuvchisi taxminan 8 km/soat (5 mph)

Pelagic stingray taxminan 21 km/soat (13 mph)

Toʻliq tezlikdagi delfin taxminan 35 km/soat (22 mph)

bilish foydali

Faktlar

It is the only stingray that almost exclusively lives in the open ocean rather than on the sea floor.1

Instead of rippling the edges of its disc like other stingrays, it swims by flapping its pectoral fins, similar to eagle rays.1

Both sexes have pointed teeth, which is unusual among stingrays. Only the teeth of adult males are longer and sharper.1

Females can store sperm inside their bodies for more than a year, waiting for good conditions before their young develop.1

A captive female reached 94 cm across and 49 kg, the largest individual on record from a rearing experiment.1

Oceanic whitetip sharks, great white sharks and toothed whales prey on it.1

Zahar mutaxassislari uchun

Ilmiy nomi: Pteroplatytrygon violacea
Guruh: Zaharli baliqlar
Oila: Dasyatidae2
Tartib: Myliobatiformes
Qitʼalar: Atlantika okeani, Tinch okeani, Hind okeani, Oʻrta yer dengizi, Karib dengizi, Okeanlar
Chaqaloqlar: It gives birth to live young. Females may bear two litters of 4 to 13 pups per year after a gestation of 2 to 4 months.1
Tabiatda ahvoli qanday: Least Concern1
Odamlar uchun xavf: 3 / 5: Jiddiy3

Faktlar qayerdan olingan

Pelagic stingray (Wikipedia (CC BY-SA 4.0))
Pteroplatytrygon violacea (iNaturalist): nomlar va tasnif.
Venom Wiki: xavf darajasi, odatiy oʻlcham va taxminiy tezlik bizning oʻz baholarimiz. Ularni qanday hisoblashimizni koʻr: Xavfni qanday baholaymiz.

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