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Largespot river stingray

Potamotrygon falkneri

Nomi haqida: Potamotrygon comes from the Greek words for 'river' and 'sting ray'. The species name honours Tomas Falkner, a British Jesuit priest who did scientific work in Argentina in the 1700s.1

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

Zaharli baliqlar

Nish uradi

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

The largespot river stingray is a freshwater stingray with a flat, round body covered in dense spots. It lives in the rivers of tropical and subtropical South America, mainly the Paraná-Paraguay river basin and parts of the upper Amazon. It is sometimes kept in aquariums, but it needs a very large tank.1

Yashash joyi

Tropical and subtropical South America: the Paraná-Paraguay basin (southern Brazil, Paraguay, Uruguay, northeastern Argentina) and the upper Amazon Basin (Bolivia, eastern Peru, western Brazil)1

Janubiy Amerika

Bosh sahifa

It lives in freshwater rivers. It is sometimes seen in the aquarium trade, where it needs a very large tank.1

Uzunlik

89 cm (2,9 ft)1

Eng yuqori tezlik

taxminan 16 km/soat (9,9 mil/soat)

Suzish, taxminiy

Largespot river stingray surati — Largespot river stingray. Surat: Donald Davesne. CC BY 4.0, iNaturalist.

Uni qanday tanish mumkin

It is densely spotted on its upper side.1
The exact colour and pattern vary a lot between individuals, and many intermediate patterns exist.1
The disc (the flat body) reaches a width of up to 52 cm.1
Its total length, including the tail, reaches up to 89 cm.1

Koʻpincha adashtiriladi: The so-called 'tiger stingray' has often been mistaken for this species. It is a separate species, P. tigrina, which was only scientifically described in 2011.1

Zahar quvvati

Nish uradi

Zahar nish orqali chiqadi.

Odamlar uchun qanchalik xavfli?

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

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?

burnidan dumigacha tizilgan 2 ta uy mushugidek uzunketma-ket qoʻyilgan 5 ta banandek uzunkatta basseyn uzunligini (50 m) 11 soniyada suzib oʻtishi mumkin

Largespot river 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)

Largespot river stingray taxminan 16 km/soat (9,9 mph)

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

bilish foydali

Faktlar

Its natural range was once cut off from the upper Paraná basin by the Guaíra Falls. After the Itaipu Dam was built, the falls disappeared, which let this species and several others spread into that area.1

Its spotted pattern is so variable that one pattern was once described as a separate species, P. castexi, and another as P. menchacai. All of these are now treated as variants of this species.1

It is sometimes kept in aquariums, but it needs a very large tank because of its size.1

Afsonalarni fosh qiluvchi

Afsona: The 'tiger stingray' is the same animal as the largespot river stingray.

Haqiqat: The tiger stingray is a separate species, P. tigrina, which was only scientifically described in 2011. It was earlier mistaken for P. menchacai, which is a name for this species.1

Zahar mutaxassislari uchun

Ilmiy nomi: Potamotrygon falkneri
Guruh: Zaharli baliqlar
Oila: Potamotrygonidae2
Tartib: Myliobatiformes
Qitʼalar: Janubiy Amerika
Odamlar uchun xavf: 3 / 5: Jiddiy3

Faktlar qayerdan olingan

Potamotrygon falkneri (Wikipedia (CC BY-SA 4.0))
Potamotrygon falkneri (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.

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