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Fakkii kaartuunii Xingu River ray
Lakk. 1251 1 402 keessaa

Xingu River ray

Potamotrygon leopoldi
Waa'ee maqaa: It is named in honour of King Leopold III of Belgium, who sponsored many scientific studies.1
Doktora barbaadaYeroo muraasa nama ajjeesa, garuu iddiin doktora barbaada.
Qurxummii summii qabu IddiiNyaata: Foon
Balaa namootaaf: CimaaIddiin doktora barbaada. Du'i baay'ee hin mudatu.

The Xingu River ray is a freshwater stingray that lives only in the Xingu River basin in Brazil. It likes clear water over rocky riverbeds. It has a venomous spine in its tail, so it is one to admire from a distance.1

Kan jiraatu
Xingu River basin, Brazil (endemic)1
Ameerikaa Kibbaa
Mana
It prefers clear waters with rocky bottoms in the Xingu River basin. It is sometimes kept in aquaria.1
Dheerina
75 cm (2,5 ft)1
Ulfaatina
20 kg (44 lb)1
Ariitii olaanaa
gara 15 km/sa'a (9,3 mph)
Daakuu, tilmaama
Maal nyaata?
Mature rays have jaws that become stiffer and more strongly mineralised with age, so they can eat hard-shelled invertebrates.1
Dhugumaan!Suuraa Xingu River ray
Xingu River ray. Suuraa: Photo by and (C)2007 Derek Ramsey (Ram-Man). CC BY-SA 2.5, Wikimedia Commons.

Akkaataa itti beekamu

  • Deeper black above than its relative P. henlei1
  • Fewer and larger yellowish-white spots on the upper side than P. albimaculata1
  • Underparts are mostly brownish-dusky1
  • Females grow larger than males1

Yeroo baay'ee kan itti wal fakkeessan: It is closely related to P. henlei from the Tocantins River basin and P. albimaculata from the Tapajós River basin, and they look similar. P. henlei has a large white centre on its underparts, while this species has mostly brownish-dusky underparts. P. albimaculata has more spots above, and they are smaller than the spots on this species.1

Humna summii

Iddii

Summiin qeensa iddii (stinger) keessaan ba'a.

Summiin isaa (ciniinnaa ykn iddiin) maal godha?

The venom is held in a dentine spine on the tail. Its composition stays the same as the ray matures, but its toxicity decreases as the ray gets older.1

Namootaaf hammam balaa qaba?

Balaa namootaaf: CimaaIddiin doktora barbaada. Du'i baay'ee hin mudatu.

Yoo idde

  • Madaa bishaan ho'aa, hanga namichi osoo hin gubatin danda'utti ho'aa ta'e (harka keetiin mirkaneessi), keessa daqiiqaa 30 hanga 90 kaa'i. Gargaarsa yaalaa argadhu, keessumaa qurxummii dhagaa (stonefish) fi stingray irratti.

Yeroo hunda dursa lakkoofsa balaa tasaa kee bilbili (112, 000, 911). Kun qajeelfama gargaarsa jalqabaa waliigalaa ti, gorsa yaalaa miti. Bu'uura gargaarsa jalqabaa

Nageenyaan turi

  • Bineensa bosonaa gonkumaa hin tuqin, hin qabin, hin tuttuqin, xiqqaa ta'us, rafe ykn du'e fakkaatus.
  • Iddoo itti kenni. Yoo tokko wajjin wal argite, tasgabbaa'i, suuta duubatti deebi'iitii karaa isaa akka deemu dhiisi.
  • Yoo tokko si idde: tasgabbaa'i, sochii malee turi, lakkoofsa balaa tasaa kee (112, 000, 911) bilbili ykn dafii hospitaala ga'i. Maal akka fakkaatu yaadadhu, suuraan ni gargaara.

Si miidhuuf si hin barbaadu. Summii isaa nyaata qabachuuf ykn of eeguuf fayyadama, dhokachuu immoo baay'ee filata. Waa'ee nageenyaa dabalataan

Addunyaa keessaa eessatti?

AfrikaaEeshiyaaAwurooppaaAmeerikaa KaabaaAmeerikaa KibbaaAwustiraaliyaa fi Oshiyaaniyaa

Hammam guddaa dha?

Dheerinni isaa hammam?

Xingu River ray dheerinni gara 75 cm (2,5 ft)Adurree manaa gara 50 cm (1,6 ft)Saree gara 1 m (3,3 ft)

Hammam ulfaata?

akka adurree manaa 5 ulfaata
akka muuzii 4 walitti aananii tarreeffamanii dheeratadheerina bishaan daakaa guddaa (50 m) sekoondii 12 keessatti daakuu danda'a

Xingu River ray SI wajjin yoo wal bira qabamu hammam guddaa dha?

Herrega qofa barsiisaa kee keessatti. Homtuu hin olkaa'amu, eessayyuu hin ergamu.

Hammam ariifata?

beekuun gaarii dha

Dhugaawwan

1

Its venom toxicity drops as it gets older, while the venom's makeup stays the same.1

2

It can weigh up to 20 kg, which is very large for a freshwater stingray.1

3

As it matures, its jaws become stronger, which lets it eat hard-shelled invertebrates.1

4

Females grow larger than males.1

Ogeeyyii summiitiif

Maqaa saayinsii
Potamotrygon leopoldi
Garee
Qurxummii summii qabu
Maatii
Potamotrygonidae2
Tartiiba
Myliobatiformes
Ardiiwwan
Ameerikaa Kibbaa
Balaa namootaaf
3 / 5: Cimaa3

Dhugaawwan eessaa dhufu

  1. Xingu River ray (Wikipedia (CC BY-SA 4.0))
  2. Potamotrygon leopoldi (iNaturalist): maqaa fi ramaddii.
  3. Venom Wiki: sadarkaan balaa, guddinni idilee fi tilmaamni ariitii kan keenya. Akkamitti akka hojjennu ilaali: Balaa akkamitti madaalla.

Dhugaan fuula kana irra jiru hundi lakkoofsa madda isaatti si qajeelchu qaba. Yoo waan tokko dogoggorre, dhiifama, nuti jaallattoota bineensotaa ti malee joornaalii saayinsii miti. [email protected] irratti nutti himi, ni sirreessina.

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