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Xingu River ray

Potamotrygon leopoldi

Ibyerekeye izina: It is named in honour of King Leopold III of Belgium, who sponsored many scientific studies.1

Bisaba mugangaNi gake yica, ariko guterwa urubori na yo bisaba kujya kwa muganga.

Amafi afite ubumara

Itera uruboriIrya: Inyama

Akaga ku bantu: IkomeyeGuterwa urubori na yo bisaba kujya kwa muganga. Abapfa ni bake cyane.

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

Iba muri

Xingu River basin, Brazil (endemic)1

Amerika y'Amajyepfo

Ahabanza

It prefers clear waters with rocky bottoms in the Xingu River basin. It is sometimes kept in aquaria.1

Uburebure

75 cm (2,5 ft)1

Ibiro

20 kg (44 lb)1

Umuvuduko wo hejuru

hafi 15 km/h (9,3 mph)

Koga, ikigereranyo cy'ugereranyije

Irya iki?

Mature rays have jaws that become stiffer and more strongly mineralised with age, so they can eat hard-shelled invertebrates.1

Ifoto ya Xingu River ray — Xingu River ray. Ifoto: Photo by and (C)2007 Derek Ramsey (Ram-Man). CC BY-SA 2.5, Wikimedia Commons.

Uko wayimenya

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

Ikunze kwitiranywa na: 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

Imbaraga z'ubumara

Itera urubori

Ubumara busohokera mu rubori.

Ubumara bwayo bukora iki?

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

Iteje akaga kangana iki ku bantu?

Akaga ku bantu: IkomeyeGuterwa urubori na yo bisaba kujya kwa muganga. Abapfa ni bake cyane.

Niba itera urubori

Shyira igikomere mu mazi ashyushye, ashyushye uko umuntu abyihanganira atiriwe ashya (bigerageze ukoresheje ukuboko kwawe), mu gihe cy'iminota 30 kugeza kuri 90. Shaka ubufasha bwa muganga, cyane cyane ku bya stonefish na stingray.

Buri gihe banza uhamagare nimero y'ubutabazi (112, 000, 911). Izi ni inama rusange z'ubutabazi bw'ibanze, si inama za muganga. Ibanze by'ubutabazi bw'ibanze

Irinde akaga

Ntuzigere ukora, ufata cyangwa ushotora inyamaswa yo mu gasozi, nubwo yaba ntoya, kandi nubwo yasa n'isinziriye cyangwa yapfuye.
Yihe umwanya. Niba uhuye n'imwe, tuza, usubire inyuma buhoro buhoro kandi uyireke yigendere.
Niba imwe igutereye urubori: tuza, ntunyeganyege, hamagara nimero y'ubutabazi (112, 000, 911) cyangwa ujye ku bitaro vuba. Ibuka uko yasaga, ifoto irafasha.

Ntigushakisha ngo ikugirire nabi. Ikoresha ubumara bwayo kugira ngo ifate ibyo kurya cyangwa yirinde, kandi ikunda cyane kwihisha. Ibindi ku kwirinda

Ni hehe ku isi?

Afurika Aziya Uburayi Amerika y'Amajyaruguru Amerika y'Amajyepfo Ositaraliya na Oseyaniya

Ingana gute?

Ireshya ite?

Iremera ibingana iki?

iremera nk'injangwe zo mu rugo 5

ireshya n'imineke 4 ikurikiranyeyakoga uburebure bw'ikidendezi kinini (metero 50) mu masegonda 12

Xingu River ray ingana ite ugereranyije NAWE?

Ni imibare gusa ikorerwa muri mudasobwa yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihuta gute?

Umwogeyi wo mu mikino Olempike hafi 8 km/h (5 mph)

Xingu River ray hafi 15 km/h (9,3 mph)

Dolufine yiruka uko ishoboye kose hafi 35 km/h (22 mph)

bikwiye kumenywa

Ibintu by'ukuri

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

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

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

Females grow larger than males.1

Ku bahanga mu by'ubumara

Izina rya siyansi: Potamotrygon leopoldi
Itsinda: Amafi afite ubumara
Umuryango: Potamotrygonidae2
Itsinda rinini (order): Myliobatiformes
Imigabane: Amerika y'Amajyepfo
Akaga ku bantu: 3 / 5: Ikomeye3

Aho ibintu bivugwa bituruka

Xingu River ray (Wikipedia (CC BY-SA 4.0))
Potamotrygon leopoldi (iNaturalist): amazina n'ibyiciro.
Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.

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