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Igishushanyo cya Pelagic stingray
No. 1242 kuri 1 402

Pelagic stingray

Pteroplatytrygon violacea
Ibyerekeye izina: The scientific name comes from Greek words meaning 'wing' or 'fin', 'broad' and 'stingray', plus the Latin for 'purple', which refers to its colour.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 pelagic stingray is a ray that lives in the open ocean rather than on the sea floor, which sets it apart from almost all other stingrays. It is found in warm waters around much of the world. It can give a severe sting with its tail spine, so it matters most to people who work on fishing boats.1

Iba muri
Worldwide in warm tropical to warm-temperate ocean waters, between about 52°N and 50°S1
Inyanja ya Atalantika, Inyanja ya Pasifika, Inyanja y'Abahinde, Inyanja ya Mediterane, Inyanja ya Karayibe
Ahabanza
It lives in the open ocean, usually in surface waters down to about 100 m over deep water. It prefers water warmer than 19 °C and moves seasonally with warm water masses. People most often meet it as bycatch on fishing boats.1
Uburebure
1,3 m (4,3 ft)1
Ibiro
49 kg (108 lb)1
Umuvuduko wo hejuru
hafi 21 km/h (13 mph)
Koga, ikigereranyo cy'ugereranyije
Irya iki?
It is an active hunter that wraps its pectoral fins around prey and moves it to its mouth. It eats crustaceans, squid and octopus, bony fishes such as herring and mackerel, jellyfish and comb jellies, and polychaete worms.1
Koko!Ifoto ya Pelagic stingray
Pelagic stingray. Ifoto: Diego Delso. CC BY-SA 4.0, Wikimedia Commons.

Uko wayimenya

  • The pectoral fin disc is a thick, wedge-shaped wing that is about one-third wider than it is long.1
  • It is a plain dark purple to blue-green above, with a slightly lighter shade below.1
  • The tail is whip-like, up to twice as long as the disc, with an extremely long, serrated spine about a third to halfway along it.1
  • Young rays are smooth-skinned, and small prickles and thorns appear with age.1

Imbaraga z'ubumara

Itera urubori

Ubumara busohokera mu rubori.

Ubumara bwayo bukora iki?

The venom is on the tail spine and is quite potent, which is why other fishes avoid it.1

Iteje akaga kangana iki ku bantu?

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

It is rarely encountered except by fishery workers. Its tail spine can inflict a severe wound that can be fatal.1

Ikora iki iyo ifite ubwoba?

When captured and handled, it releases a thick black mucus that covers its body, and its tail spine delivers venom.1

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?

AfurikaAziyaUburayiAmerika y'AmajyaruguruAmerika y'AmajyepfoOsitaraliya na OseyaniyaInyanja ya PasifikaInyanja ya AtalantikaInyanja y'AbahindeInyanja ya MediteraneInyanja ya Karayibe

Ingana gute?

Ireshya ite?

Pelagic stingray ireshya hafi 1,3 m (4,3 ft)Imbwa hafi 1 m (3,3 ft)Umuntu mukuru hafi 1,7 m (5,6 ft)

Iremera ibingana iki?

iremera nk'imbwa 2,5
ireshya n'injangwe zo mu rugo 2,5 zikurikiranye kuva ku zuru kugeza ku murizoireshya n'imineke 7 ikurikiranyeyakoga uburebure bw'ikidendezi kinini (metero 50) mu masegonda 8,6

Pelagic stingray ingana ite ugereranyije NAWE?

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

Yihuta gute?

bikwiye kumenywa

Ibintu by'ukuri

1

It is the only stingray that almost exclusively lives in the open ocean rather than on the sea floor.1

2

Instead of rippling the edges of its disc like other stingrays, it swims by flapping its pectoral fins, similar to eagle rays.1

3

Both sexes have pointed teeth, which is unusual among stingrays. Only the teeth of adult males are longer and sharper.1

4

Females can store sperm inside their bodies for more than a year, waiting for good conditions before their young develop.1

5

A captive female reached 94 cm across and 49 kg, the largest individual on record from a rearing experiment.1

6

Oceanic whitetip sharks, great white sharks and toothed whales prey on it.1

Ku bahanga mu by'ubumara

Izina rya siyansi
Pteroplatytrygon violacea
Itsinda
Amafi afite ubumara
Umuryango
Dasyatidae2
Itsinda rinini (order)
Myliobatiformes
Imigabane
Inyanja ya Atalantika, Inyanja ya Pasifika, Inyanja y'Abahinde, Inyanja ya Mediterane, Inyanja ya Karayibe, Inyanja ngari
Abana bato
It gives birth to live young. Females may bear two litters of 4 to 13 pups per year after a gestation of 2 to 4 months.1
Uko imeze mu gasozi
Least Concern1
Akaga ku bantu
3 / 5: Ikomeye3

Aho ibintu bivugwa bituruka

  1. Pelagic stingray (Wikipedia (CC BY-SA 4.0))
  2. Pteroplatytrygon violacea (iNaturalist): amazina n'ibyiciro.
  3. Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.

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