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Largespot river stingray

Potamotrygon falkneri

Ibyerekeye izina: 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

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

Amafi afite ubumara

Itera urubori

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

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

Iba muri

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

Amerika y'Amajyepfo

Ahabanza

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

Uburebure

89 cm (2,9 ft)1

Umuvuduko wo hejuru

hafi 16 km/h (9,9 mph)

Koga, ikigereranyo cy'ugereranyije

Ifoto ya Largespot river stingray — Largespot river stingray. Ifoto: Donald Davesne. CC BY 4.0, iNaturalist.

Uko wayimenya

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

Ikunze kwitiranywa na: 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

Imbaraga z'ubumara

Itera urubori

Ubumara busohokera mu rubori.

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?

ireshya n'injangwe zo mu rugo 2 zikurikiranye kuva ku zuru kugeza ku murizoireshya n'imineke 5 ikurikiranyeyakoga uburebure bw'ikidendezi kinini (metero 50) mu masegonda 11

Largespot river stingray 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)

Largespot river stingray hafi 16 km/h (9,9 mph)

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

bikwiye kumenywa

Ibintu by'ukuri

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

Usenya ibinyoma

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

Ukuri: 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

Ku bahanga mu by'ubumara

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

Aho ibintu bivugwa bituruka

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