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Ikhathuni ka-Pelagic stingray
Inombolo 1242 kwezingu-1 402

Pelagic stingray

Pteroplatytrygon violacea
Mayelana 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
Kudinga udokotelaKuyivelakancane ukuthi kubulale, kodwa ukuhlatshwa kudinga udokotela.
Izinhlanzi ezinobuthi UkuhlabaSidla: Inyama
Ingozi ebantwini: Kubi kakhuluUkuhlatshwa kudinga udokotela. Ukufa kuyivelakancane 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

Ihlala
Worldwide in warm tropical to warm-temperate ocean waters, between about 52°N and 50°S1
ULwandlekazi i-Atlantic, ULwandlekazi iPacific, ULwandlekazi i-India, Ulwandle iMediterranean, Ulwandle iCaribbean
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
Isisindo
49 kg (108 lb)1
Ijubane eliphezulu
cishe 21 km/h (13 mph)
Ukubhukuda, isiqagela nje
Sidlani?
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
Ngempela!Isithombe sika-Pelagic stingray
Pelagic stingray. Isithombe: Diego Delso. CC BY-SA 4.0, Wikimedia Commons.

Indlela yokusibona

  • 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 obuthi

Ukuhlaba

Ubuthi buphuma ngodosi.

Ubuthi baso benzani?

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 kakhuluUkuhlatshwa kudinga udokotela. Ukufa kuyivelakancane kakhulu.

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

Senzani uma sesabile?

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

Uma sihlaba

  • Faka inxeba emanzini ashisayo, ashisa ngendlela umuntu angakwazi ukuyibekezelela ngaphandle kokusha (yihlole ngesandla sakho), imizuzu engama-30 kuya kwengama-90. Thola usizo lwezokwelapha, ikakhulukazi kuma-stonefish nama-stingray.

Njalo shayela kuqala inombolo yezimo eziphuthumayo (112, 000, 911). Lokhu kuyiseluleko sosizo lokuqala esijwayelekile, akusona iseluleko sezokwelapha. Izisekelo zosizo lokuqala

Hlala uphephile

  • Ungalokothi uthinte, ubambe noma ugcone isilwane sasendle, ngisho noma sincane, futhi ngisho noma sibukeka silele noma sifile.
  • Sinike isikhala. Uma uhlangana naso, hlala uzolile, uhlehle kancane bese usiyeka sihambe ngendlela yaso.
  • Uma sikuhlaba: hlala uzolile, ungashukumi, shayela inombolo yezimo eziphuthumayo (112, 000, 911) noma uye esibhedlela ngokushesha. Khumbula ukuthi besibukeka kanjani, isithombe siyasiza.

Asikuzingeli wena. Sisebenzisa ubuthi baso ukuze sibambe ukudla noma ukuzivikela, futhi singancamela ukucasha. Okwengeziwe mayelana nokuhlala uphephile

Kuphi emhlabeni?

I-AfrikaI-AsiaI-YurophuINyakatho MelikaINingizimu MelikaI-Australia ne-OceaniaULwandlekazi iPacificULwandlekazi i-AtlanticULwandlekazi i-IndiaUlwandle iMediterraneanUlwandle iCaribbean

Sikhulu kangakanani?

Side kangakanani?

Pelagic stingray ubude obucishe bube ngu-1.3 m (4.3 ft)Inja cishe 1 m (3.3 ft)Umuntu omdala cishe 1.7 m (5.6 ft)

Sisinda kangakanani?

sisinda njengezinja ezingu-2.5
side njengamakati asekhaya angu-2.5 kusuka ekhaleni kuya emsileniside njengobhanana abangu-7 abalandelanayosingabhukuda ubude bechibi elikhulu lokubhukuda (50 m) ngemizuzwana engu-8.6

Pelagic stingray mkhulu kangakanani uma uqhathanisa NAWE?

Yizibalo nje kusiphequluli sakho. Akukho okulondolozwayo noma okuthunyelwa ndawo.

Sishesha kangakanani?

kuhle ukwazi

Amaqiniso

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

Okongoti bobuthi

Igama lesayensi
Pteroplatytrygon violacea
Iqembu
Izinhlanzi ezinobuthi
Umndeni
Dasyatidae2
Ukuhleleka
Myliobatiformes
Amazwekazi
ULwandlekazi i-Atlantic, ULwandlekazi iPacific, ULwandlekazi i-India, Ulwandle iMediterranean, Ulwandle iCaribbean, Izilwandlekazi
Izinsana
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
Simo saso endle
Least Concern1
Ingozi ebantwini
3 / 5: Kubi kakhulu3

Lapho amaqiniso evela khona

  1. Pelagic stingray (Wikipedia (CC BY-SA 4.0))
  2. Pteroplatytrygon violacea (iNaturalist): amagama nokuhlelwa ngezigaba.
  3. Venom Wiki: izinga lengozi, usayizi ojwayelekile nesiqagela sejubane kungokwethu. Bona ukuthi sikubala kanjani: Indlela esilinganisa ngayo ingozi.

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