Venom Wiki / Barcha maxluqlar / Zaharli baliqlar

№ 1255 / 1 402

Giant freshwater stingray

Urogymnus polylepis

Nomi haqida: The scientific name polylepis comes from the Greek words for 'many' and 'scales'.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 giant freshwater stingray is a large ray that lives in big rivers and estuaries in Southeast Asia and Borneo. It is the widest freshwater fish in the world, and it is now endangered because of fishing and habitat loss. It has a long, whip-like tail with a sharp spine near the base.1

Yashash joyi

Large rivers and estuaries of Indochina (such as the Mekong and Chao Phraya) and Borneo1

Osiyo

Bosh sahifa

It lives on the sandy or muddy bottom of large rivers and their estuaries. It is sometimes found near heavily populated urban areas, and individuals are often seen at the edge of the river.1

Uzunlik

5 m (16 ft)1

Vazn

300 kg dan 600 kg gacha (661 lb dan 1323 lb gacha)1

Eng yuqori tezlik

taxminan 30 km/soat (19 mil/soat)

Suzish, taxminiy

Nima yeydi?

It eats small fishes and invertebrates such as crustaceans and molluscs that live on the bottom. It finds them using electroreceptors, which sense the weak electrical signals of living animals.1

Giant freshwater stingray surati — Giant freshwater stingray. Surat: BEDO (Thailand). CC BY-SA 4.0, iNaturalist.

Uni qanday tanish mumkin

Plain grayish brown on top, often with a yellowish or pinkish tint towards the fin edges1
White underside with broad dark bands on the rear edges of the pectoral and pelvic fins1
Thin, whip-like tail that is black behind the spine and has no fin folds1
Sharply pointed snout that projects beyond the disc1
A single serrated stinging spine on the upper tail near its base, up to 38 cm long1

Koʻpincha adashtiriladi: Similar freshwater stingrays in South Asia, Southeast Asia and Australasia were once tentatively grouped with this species. Some of them, such as the Australian Urogymnus dalyensis, are now described as separate species.1

Zahar quvvati

Nish uradi

Zahar nish orqali chiqadi.

Uning zahari (chaqsa yoki nish ursa) nima qiladi?

Its sting is sheathed in toxic mucus. The sting is capable of piercing bone.1

Odamlar uchun qanchalik xavfli?

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

The giant freshwater stingray is not aggressive. Its sting is strong enough to pierce bone and is coated in toxic mucus, so it should be treated with care.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

U qanchalik katta?

U qanchalik uzun?

U qanchalik ogʻir?

30 ta itdek ogʻir

burnidan dumigacha tizilgan 5 ta itdek uzunketma-ket qoʻyilgan 28 ta banandek uzunkatta basseyn uzunligini (50 m) 6 soniyada suzib oʻtishi mumkin

Giant freshwater 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)

Giant freshwater stingray taxminan 30 km/soat (19 mph)

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

bilish foydali

Faktlar

In June 2022, a specimen caught in the Mekong River was reported as the largest strict freshwater fish ever documented, at about 300 kg.1

It is the widest freshwater fish in the world, growing up to 2.2 m across.1

Its tail spine is up to 38 cm long, the largest of any stingray species.1

Pups are nourished in the womb by a milk-like substance called histotroph, or 'uterine milk', made by the mother.1

In Cambodia, the average weight of a landed ray fell from 23.2 kg in 1980 to 6.9 kg in 2006.1

Zahar mutaxassislari uchun

Ilmiy nomi: Urogymnus polylepis
Guruh: Zaharli baliqlar
Oila: Dasyatidae2
Tartib: Myliobatiformes
Qitʼalar: Osiyo
Chaqaloqlar: It gives birth to live young. Females have litters of one to four pups, each about 30 cm across at birth.1
Tabiatda ahvoli qanday: Endangered (IUCN overall); Critically Endangered in Thailand1
Odamlar uchun xavf: 3 / 5: Jiddiy3

Faktlar qayerdan olingan

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

Bu sahifadagi har bir faktning manbasiga ishora qiluvchi raqami bor. Agar biror narsani xato yozgan boʻlsak, kechir, biz hayvon ixlosmandlarimiz, ilmiy jurnal emas. [email protected] manziliga yoz, tuzatamiz.

Chayon och! Venom Wiki bir kishining loyihasi: bepul, reklamasiz va kuzatuvchilarsiz. Kichik xayriya uni internetda saqlab qolishga yordam beradi.Chayonni boq