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Ocellate river stingray

Potamotrygon motoro

Gbasara aha ya: Its name "ocellate" refers to the eye-like spots on its back, and it is also called the peacock-eye stingray.1

Ọ chọrọ dọkịtaỌ naghị egbukarị egbu, mana ịgba ya chọrọ dọkịta.

Azụ na-agba nsị

Ịgba

Ihe ize ndụ nye mmadụ: Ọ dị njọỊgba ya chọrọ dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

The ocellate river stingray is a freshwater stingray with a round, flat body and yellow-orange spots on its back. It lives in rivers across much of tropical and subtropical South America. It is the most widespread member of its family, and it is sometimes kept in aquaria.1

Ebe obibi

Rivers of tropical and subtropical South America, including the Río de la Plata, Amazon, Mearim and Orinoco basins.1

Ndịda Amerika

Ụlọ

It lives in freshwater rivers and their basins. It is also kept in aquaria, where it needs a very large tank.1

Ogologo

1 m (3.3 ft)1

Arọ

34 kg (75 lb)1

Ọsọ kacha elu

ihe dị ka 15 km/h (9.3 mph)

Igwu mmiri, nchepụta

Foto Ocellate river stingray — Ocellate river stingray. Foto: unknown. CC0, iNaturalist.

Otú ị ga-esi mata ya

Its disc is roughly circular in shape.1
Its eyes are raised from the upper surface of the disc.1
The back is typically beige or brown, with numerous yellow-orange spots that have dark rings.1
The exact colour and pattern of spots vary between individuals and between locations.1

A na-agwakọkarị ya na: Several closely related species were once grouped with it, including P. amandae, P. pantanensis and P. marquesi. The "mantilla ray" (now named P. marquesi) lacks the black-edged yellow-orange spots.1

Ike nsị

Ịgba

Nsị na-esi na ndụdụ ya apụta.

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Ọ dị njọỊgba ya chọrọ dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

Ọ bụrụ na ọ gbaa

Tinye ọnya ahụ n'ime mmiri ọkụ, nke ọkụ dị ka onye ahụ nwere ike ịnagide n'ere ya ọkụ (jiri aka gị nwalee ya), ruo nkeji 30 ruo 90. Chọọ enyemaka ọgwụ, karịsịa maka azụ nkume (stonefish) na stingray.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
Ọ bụrụ na otu gbaa gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia

Ọ hà aṅaa?

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dị arọ dị ka nwamba ụlọ 9

dị ogologo dị ka nwamba ụlọ 2 site n'imi ruo n'ọdụdị ogologo dị ka unere 6 a tọgbọrọ n'ahịrịnwere ike igwu mmiri ogologo nnukwu ọdọ igwu mmiri (50 m) n'ime sekọnd 12

Kedu otú Ocellate river stingray si hà ma e jiri ya tụnyere GỊ?

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Onye igwu mmiri Olympic ihe dị ka 8 km/h (5 mph)

Ocellate river stingray ihe dị ka 15 km/h (9.3 mph)

Dọlfin na-agba ọsọ n'ike ya niile ihe dị ka 35 km/h (22 mph)

ọ dị mma ịmara

Eziokwu

The largest recorded weight is 34.2 kg, but the official IGFA record is 12.59 kg.1

It is one of the most popular freshwater stingrays kept in aquaria, and it breeds readily in captivity.1

Populations vary so much in appearance that scientists have grouped several similar species together as a species complex.1

Maka ndị ọkachamara nsị

Aha sayensị: Potamotrygon motoro
Otu: Azụ na-agba nsị
Ezinụlọ: Potamotrygonidae2
Usoro: Myliobatiformes
Kọntinent dị iche iche: Ndịda Amerika
Ụmụ ọhụrụ: It gives birth to live pups, and it breeds readily in captivity.1
Ihe ize ndụ nye mmadụ: 3 / 5: Ọ dị njọ3

Ebe eziokwu ndị a si

Ocellate river stingray (Wikipedia (CC BY-SA 4.0))
Potamotrygon motoro (iNaturalist): aha na nhazi ọkwa.
Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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