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Eserese katuun nke Irukandji jellyfish
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Irukandji jellyfish

Carukia barnesi
Nwere ike igbu mmadụEmetụla ya akaỌ nwere ike igbu gị ma ọ bụrụ na enweghị ọgwụgwọ. Ọ bụrụ na ọ gbaa gị, chọọ enyemaka ngwa ngwa.
Jelifish na anụ osimiri na-agba agba Tentacles na-agba agbaNri ya: Anụ
Ihe ize ndụ nye mmadụ: Ọ dị egwu nke ukwuuỌ nwere ike igbu onye na-enwetaghị ọgwụgwọ.

The Irukandji jellyfish is a tiny box jellyfish with a sting that can cause a serious illness called Irukandji syndrome. It lives in the open water near Australia, and it is hard to spot because it is so small.1

Ebe obibi
Open water near Australia, with most reported incidents in Australia, especially North Queensland1
Oké Osimiri India, Oké Osimiri Pasifik, Osimiri Coral, Osimiri Timor na Arafura
Ụlọ
It lives in open water. Most reported stings happen in Australia during the warm summer season. Swimmers in open water near North Queensland were the first people recorded with this syndrome.1
Ogologo
5 cm (2 in)1
Ọsọ kacha elu
ihe dị ka 5 km/h (3.1 mph)
Igwu mmiri, nchepụta
Gịnị ka ọ na-eri?
Muscle cells in the tentacles bring food to the mouth, where it enters a stomach-like cavity and is digested. Its prey changes as it grows, from small invertebrates such as zooplankton and crustaceans to fish.1
N'ezie!Foto Irukandji jellyfish
Irukandji jellyfish. Foto: Lisa-ann Gershwin. CC BY 4.0, iNaturalist.

Otú ị ga-esi mata ya

  • The bell is square-shaped and very small, about 12 mm high and 30 mm across.1
  • It has four long tentacles, one from each corner of the bell.1
  • The tentacles range from 5 to 50 cm long.1
  • Its small size means it often goes unseen in open water.1

A na-agwakọkarị ya na: The common name Irukandji jellyfish is also used for other Irukandji jellyfish, such as Malo kingi. The name alone does not tell them apart.1

Ike nsị

Tentacles na-agba agba

Ọtụtụ puku obere sel na-agba agba na-agbapụ mgbe ihe metụrụ ha aka.

Gịnị ka nsị ọ na-agba na-eme?

This jellyfish is extremely venomous. Its venom comes from stinging cells called nematocysts in its tentacles and bell, and it changes as the jellyfish matures. A sting can cause Irukandji syndrome, with muscle aches, back pain, nausea, headaches, chest and stomach pains, sweating, high blood pressure and difficulty breathing.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Ọ dị egwu nke ukwuuỌ nwere ike igbu onye na-enwetaghị ọgwụgwọ.

Irukandji syndrome can be severe, and the symptoms are described in detail in medical accounts. Most reported incidents have been in Australia during the warm summer season. Because the jellyfish is so small, people often do not see it before they are stung.1

Ọ bụrụ na ọ gbaa

  • In hospital, patients are given intravenous morphine, hydromorphone or fentanyl for pain. Pethidine is avoided because of its toxic metabolite norpethidine.1
  • Pụta na mmiri, wepụkwa tentacles ya niile (jiri uwe aka ma ọ bụ akwa).
  • Maka box jellyfish nke ebe okpomọkụ: wụsa vinega n'ebe ọ gbara ọ dịkarịa ala sekọnd 30, kpọọ maka enyemaka, dịkwa njikere ime CPR. Maka bluebottles na ọtụtụ ndị ọzọ: jiri mmiri osimiri saa ya, wee jiri mmiri ọkụ maka mgbu ahụ.

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?

AfrịkaEshiaYuropUgwu AmerikaNdịda AmerikaỌstrelia na OsheniaOké Osimiri PasifikOké Osimiri IndiaOsimiri CoralOsimiri Timor na Arafura

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

Irukandji jellyfish ogologo ya dị ihe dị ka 5 cm (2 in)Pepa klip ihe dị ka 3 cm (1.2 in)Ekwentị smartphone ihe dị ka 15 cm (5.9 in)
dị mkpụmkpụ karịa obere mkpịsị aka gịnwere ike igwu mmiri ogologo nnukwu ọdọ igwu mmiri (50 m) n'ime sekọnd 36

Kedu otú Irukandji jellyfish si hà ma e jiri ya tụnyere GỊ?

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Kedu otú o si agba ọsọ?

ọ dị mma ịmara

Eziokwu

1

Jack Barnes of Cairns, Australia, discovered the species. During an exploration aimed at finding the cause of Irukandji syndrome, he allowed himself, a lifeguard and his 9-year-old son to be stung.1

2

Irukandji syndrome, which this jellyfish can cause, was first identified after a group of swimmers were stung in open water near North Queensland, Australia.1

3

Its venom changes in composition as the jellyfish grows, matching its change in prey from invertebrates to fish.1

4

Its life cycle alternates between a young form that attaches to a reef or rock and an adult form that swims freely in the water.1

5

This jellyfish is a type of box jellyfish, a group known for potent venom.1

Maka ndị ọkachamara nsị

Aha sayensị
Carukia barnesi
Otu
Jelifish na anụ osimiri na-agba agba
Ezinụlọ
Carukiidae2
Usoro
Carybdeida
Kọntinent dị iche iche
Oké Osimiri India, Oké Osimiri Pasifik, Osimiri Coral, Osimiri Timor na Arafura, Oké osimiri niile
Ụmụ ọhụrụ
Young jellyfish begin as a swimming planula larva, which settles on a reef or rock and grows into a polyp. The polyp later forms a colony that develops into an adult medusa.1
Ihe ize ndụ nye mmadụ
4 / 5: Ọ dị egwu nke ukwuu3

Ebe eziokwu ndị a si

  1. Carukia barnesi (Wikipedia (CC BY-SA 4.0))
  2. Carukia barnesi (iNaturalist): aha na nhazi ọkwa.
  3. 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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