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Ikhathuni ka-Pelagic stingray
Inombolo 1242 kwezi-1 402

Pelagic stingray

Pteroplatytrygon violacea
Malunga negama: 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
Kufuna ugqirhaKunqabile ukuba sibulale, kodwa ukuhlatywa kufuna ugqirha.
Iintlanzi ezinetyhefu UkuhlabaSitya: Inyama
Ingozi ebantwini: Kubi kakhuluUkuhlatywa kufuna ugqirha. Ukufa kunqabe kakhulu.

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

Sihlala
Worldwide in warm tropical to warm-temperate ocean waters, between about 52°N and 50°S1
uLwandlekazi lweAtlantiki, uLwandlekazi lwePasifiki, uLwandlekazi lwaseIndiya, uLwandle lweMeditera, uLwandle lweKharibhiya
Ekhaya
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
Ubude
1,3 m (4,3 ft)1
Ubunzima
49 kg (108 lb)1
Esona santya siphezulu
malunga ne-21 km/h (13 mph)
Ukuqubha, uqikelelo nje
Sitya ntoni?
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
Ngokwenene!Ifoto ka-Pelagic stingray
Pelagic stingray. Ifoto: Diego Delso. CC BY-SA 4.0, Wikimedia Commons.

Indlela yokusiqaphela

  • 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

Amandla etyhefu yokuluma nokuhlaba

Ukuhlaba

Ityhefu iphuma ngenaliti yokuhlaba.

Ityhefu yaso yokuluma okanye yokuhlaba yenza ntoni?

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

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: Kubi kakhuluUkuhlatywa kufuna ugqirha. Ukufa kunqabe kakhulu.

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

Senza ntoni xa soyika?

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

Ukuba siyahlaba

  • Faka inxeba emanzini ashushu, ashushu kangangoko umntu angakwazi ukunyamezela ngaphandle kokutshiswa (wavavanye ngesandla sakho), imizuzu engama-30 ukuya kwengama-90. Fumana uncedo lwezonyango, ingakumbi kwii-stonefish nakwii-stingray.

Soloko utsalela inombolo kaxakeka kuqala (112, 000, 911). Esi sisikhokelo soncedo lokuqala ngokubanzi, asilocebiso lwezonyango. Iziseko zoncedo lokuqala

Hlala ukhuselekile

  • Ungaze uchukumise, ubambe okanye uqhule isilwanyana sasendle, nokuba sincinci, kwaye nokuba sibonakala silele okanye sifile.
  • Sinike indawo. Ukuba udibana naso, hlala uzolile, buyela umva kancinci kwaye usiyeke sihambe ngendlela yaso.
  • Ukuba siyakuhlaba: hlala uzolile, musa ukushukuma, tsalela inombolo kaxakeka (112, 000, 911) okanye uye esibhedlele ngokukhawuleza. Khumbula ukuba sasikhangeleka njani, ifoto iyanceda.

Asikuzingeli. Sisebenzisa ityhefu yaso ukubamba ukutya okanye ukuzikhusela, kwaye singakhetha ukuzimela. Okungakumbi malunga nokuhlala ukhuselekile

Phi emhlabeni?

IAfrikaIAsiyaIYurophuuMntla MelikauMzantsi MelikaIOstreliya neOceaniauLwandlekazi lwePasifikiuLwandlekazi lweAtlantikiuLwandlekazi lwaseIndiyauLwandle lweMediterauLwandle lweKharibhiya

Sikhulu kangakanani?

Side kangakanani?

Pelagic stingray malunga ne-1,3 m ubude (4,3 ft)Inja malunga ne-1 m (3,3 ft)Umntu omdala malunga ne-1,7 m (5,6 ft)

Sinzima kangakanani?

ubunzima obulingana nezinja eziyi-2,5
ubude obulingana neekati zasekhaya eziyi-2,5 ukusuka empumlweni ukuya emsileniubude obulingana neebhanana eziyi-7 zilandelelanasingaqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana eyi-8,6

U-Pelagic stingray mkhulu kangakanani xa uthelekisa NAWE?

Zizibalo nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwa naphi na.

Sikhawuleza kangakanani?

kufanelekile ukwazi

Iinyaniso

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

Kwiingcali zetyhefu

Igama lenzululwazi
Pteroplatytrygon violacea
Iqela
Iintlanzi ezinetyhefu
Usapho
Dasyatidae2
Ucwangco
Myliobatiformes
Amazwekazi
uLwandlekazi lweAtlantiki, uLwandlekazi lwePasifiki, uLwandlekazi lwaseIndiya, uLwandle lweMeditera, uLwandle lweKharibhiya, Iilwandlekazi
Iintsana
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
Imeko yaso endle
Least Concern1
Ingozi ebantwini
3 / 5: Kubi kakhulu3

Apho iinyaniso zivela khona

  1. Pelagic stingray (Wikipedia (CC BY-SA 4.0))
  2. Pteroplatytrygon violacea (iNaturalist): amagama nokuhlelwa.
  3. Venom Wiki: inqanaba lengozi, ubungakanani obuqhelekileyo noqikelelo lwesantya zezethu. Bona indlela esizifumana ngayo: Indlela esilinganisa ngayo ingozi.

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