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Smooth freshwater stingray

Fontitrygon garouaensis

Gbasara aha ya: The species name garouaensis refers to Garoua, a city in Cameroon where the first known specimen was caught.1

Naanị na-afụ ụfụỌ na-afụ ụfụ, mana ọ gaghị emerụ gị ahụ nke ukwuu.

Azụ na-agba nsị

ỊgbaNri ya: Ụmụ ahụhụ

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

The Niger stingray is a flat, freshwater fish related to sea stingrays. It lives in a few large rivers in Nigeria and Cameroon in West Africa. Its long tail has a stinging spine that can cause a painful wound.1

Ebe obibi

Rivers in Nigeria and Cameroon, in West Africa1

Afrịka

Ụlọ

It lives only in fresh water, in the Benue and lower Niger rivers, the lower Sanaga River and the Cross River. Waders in these rivers can be injured by its tail spine.1

Ogologo

40 cm (1.3 ft)1

Ọsọ kacha elu

ihe dị ka 15 km/h (9.3 mph)

Igwu mmiri, nchepụta

Gịnị ka ọ na-eri?

It feeds almost entirely on the aquatic young of mayflies, stoneflies and caddisflies, and only rarely on true flies.1

Otú ị ga-esi mata ya

Nearly circular, flat body disk, about as wide as it is long1
Mostly smooth skin, with a small patch of tiny bumps at the centre of the back or none at all1
Plain brown or grey on top, paler towards the edge of the disk1
White underneath, with white-edged fins1
Whip-like tail with one or more stinging spines, grows to about 40 cm wide1

Ike nsị

Ịgba

Nsị na-esi na ndụdụ ya apụta.

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

The tail spine can inflict a painful wound and is potentially injurious to people wading in its rivers.1

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?

Kedu otú o si dị ogologo?

dị ogologo dị ka unere 2 a tọgbọrọ n'ahịrịdị ogologo dị ka blọk egwuregwu 12 n'ahịrịnwere ike igwu mmiri ogologo nnukwu ọdọ igwu mmiri (50 m) n'ime sekọnd 12

Kedu otú Smooth freshwater stingray si hà ma e jiri ya tụnyere GỊ?

Naanị mgbakọ na mwepụ n'ime browser gị. Ọ dịghị ihe echekwara ma ọ bụ ezigara ebe ọ bụla.

Kedu otú o si agba ọsọ?

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

Smooth freshwater 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

Local Hausa people call it kunaman ruwa, which means water scorpion.1

It is one of only two freshwater stingrays in Africa.1

Its electrical sense organs are smaller and simpler than those of sea stingrays, which suits life in fresh water.1

It is caught by accident and sold fresh or smoked as food.1

Males may live up to five years and females up to seven years.1

Maka ndị ọkachamara nsị

Aha sayensị: Fontitrygon garouaensis
Otu: Azụ na-agba nsị
Ezinụlọ: Dasyatidae2
Usoro: Myliobatiformes
Kọntinent dị iche iche: Afrịka
Ụmụ ọhụrụ: It is ovoviviparous, meaning the eggs develop inside the mother and the young are born live.1
Ogologo ndụ: ihe dị ka afọ 71
Otú ọ na-eme n'ọhịa: Critically Endangered1
Ihe ize ndụ nye mmadụ: 2 / 5: Na-afụ ụfụ3

Ebe eziokwu ndị a si

Niger stingray (Wikipedia (CC BY-SA 4.0))
Fontitrygon garouaensis (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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