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Chithunzi chojambula cha Pelagic stingray
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Pelagic stingray

Pteroplatytrygon violacea
Za dzinali: 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
Ikufuna dokotalaSiipha kawirikawiri, koma kulasidwa kumafuna dokotala.
Nsomba zaululu ImalasaImadya: Nyama
Ngozi kwa anthu: YoopsaKulasidwa kumafuna dokotala. Imfa ndi zosowa kwambiri.

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

Imakhala ku
Worldwide in warm tropical to warm-temperate ocean waters, between about 52°N and 50°S1
Nyanja ya Atlantic, Nyanja ya Pacific, Nyanja ya Indian, Nyanja ya Mediterranean, Nyanja ya Caribbean
Kunyumba
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
Kutalika
1,3 m (4,3 ft)1
Kulemera
49 kg (108 lb)1
Liwiro lapamwamba
pafupifupi 21 km/h (13 mph)
Kusambira, kuyerekeza chabe
Imadya chiyani?
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
Zoona!Chithunzi cha Pelagic stingray
Pelagic stingray. Chithunzi: Diego Delso. CC BY-SA 4.0, Wikimedia Commons.

Mmene ungaizindikirire

  • 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

Mphamvu ya ululu

Imalasa

Ululu umatuluka kudzera mu mbola.

Ululu wake umachita chiyani?

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

Ndi yoopsa bwanji kwa anthu?

Ngozi kwa anthu: YoopsaKulasidwa kumafuna dokotala. Imfa ndi zosowa kwambiri.

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

Imachita chiyani ikachita mantha?

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

Ikalasa

  • Ika bala m'madzi otentha, otentha monga momwe munthuyo angapirire osapsa (yesa ndi dzanja lako), kwa mphindi 30 mpaka 90. Peza thandizo la dokotala, makamaka pa stonefish ndi stingray.

Nthawi zonse yamba wayimbira nambala yadzidzidzi (112, 000, 911). Awa ndi malangizo wamba a chithandizo choyamba, osati malangizo a dokotala. Zoyambira za chithandizo choyamba

Khala wotetezeka

  • Usakhudze, kugwira kapena kuseweretsa nyama yakuthengo, ngakhale yaing'ono, ndipo ngakhale ikuoneka ngati yagona kapena yafa.
  • Ipatse malo. Ukakumana nayo, khala chete, bwerera m'mbuyo pang'onopang'ono ndipo uilole ipite njira yake.
  • Ikakulasa: khala chete, usasunthe, imbira nambala yadzidzidzi (112, 000, 911) kapena pita kuchipatala mwachangu. Kumbukira m'mene inkaonekera, chithunzi chimathandiza.

Sikufuna kukuvulaza. Imagwiritsa ntchito ululu wake kugwira chakudya kapena kudziteteza, ndipo imakonda kwambiri kubisala. Zambiri za kukhala wotetezeka

Kuti padziko lapansi?

AfricaAsiaUlayaAmereka ya KumpotoAmereka ya KumweraAustralia ndi OceaniaNyanja ya PacificNyanja ya AtlanticNyanja ya IndianNyanja ya MediterraneanNyanja ya Caribbean

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

Pelagic stingray yaitali pafupifupi 1,3 m (4,3 ft)Galu pafupifupi 1 m (3,3 ft)Munthu wamkulu pafupifupi 1,7 m (5,6 ft)

Ndi yolemera bwanji?

yolemera ngati agalu 2,5
yaitali ngati amphaka apakhomo 2,5 mphuno ndi mchira motsatizanayaitali ngati nthochi 7 zoyalidwa motsatizanaingasambire kutalika kwa dziwe lalikulu losambira (50 m) m'masekondi 8,6

Pelagic stingray ndi yaikulu bwanji poyerekeza ndi IWE?

Ndi masamu chabe mu msakatuli wako. Palibe chomwe chimasungidwa kapena kutumizidwa kwina.

Imathamanga bwanji?

zoyenera kudziwa

Mfundo

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

Za akatswiri a ululu

Dzina la sayansi
Pteroplatytrygon violacea
Gulu
Nsomba zaululu
Banja
Dasyatidae2
Dongosolo
Myliobatiformes
Makontinenti
Nyanja ya Atlantic, Nyanja ya Pacific, Nyanja ya Indian, Nyanja ya Mediterranean, Nyanja ya Caribbean, Nyanja zikuluzikulu
Ana akhanda
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
Mmene ilili kuthengo
Least Concern1
Ngozi kwa anthu
3 / 5: Yoopsa3

Kumene mfundo zimachokera

  1. Pelagic stingray (Wikipedia (CC BY-SA 4.0))
  2. Pteroplatytrygon violacea (iNaturalist): mayina ndi magulu a sayansi.
  3. Venom Wiki: mlingo wa ngozi, kukula wamba ndi kuyerekeza kwa liwiro ndi zathu. Ona mmene timazipezera: Mmene timayezera ngozi.

Mfundo iliyonse patsamba lino ili ndi nambala yosonyeza kochokera. Ngati talakwitsa, pepani, ndife okonda nyama, osati magazini a sayansi. Tiuze pa [email protected] ndipo tikonza.

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