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Irukandji jellyfish

Carukia barnesi
Po mazzarBetg tutgarPo ta mazzar senza tractament. Sch'el ta piztga, tschertga spert agid.
Medusas ed autras creaturas da mar che piztgan Tentaclas che piztganMangia: Charn
Privel per umans: Fitg privlusEl po mazzar ina persuna che na survegn nagin tractament.

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

Viva en
Open water near Australia, with most reported incidents in Australia, especially North Queensland1
Ocean Indic, Ocean Pacific, Mar da Coral, Mar da Timor e d'Arafura
Pagina iniziala
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
Lunghezza
5 cm (2 in)1
Sveltezza maximala
circa 5 km/h (3,1 mph)
Nudar, stima approximativa
Tge mangia el?
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
Propi!Foto da Irukandji jellyfish
Irukandji jellyfish. Foto: Lisa-ann Gershwin. CC BY 4.0, iNaturalist.

Co renconuscher el

  • 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

Savens confundì cun: 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

Forza dal tissi

Tentaclas che piztgan

Millis da pitschnas cellas urticantas sajettan, cura ch'insatge las tutga.

Tge fa ses tissi?

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

Quant privlus è el per umans?

Privel per umans: Fitg privlusEl po mazzar ina persuna che na survegn nagin tractament.

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

Sch'el piztga

  • In hospital, patients are given intravenous morphine, hydromorphone or fentanyl for pain. Pethidine is avoided because of its toxic metabolite norpethidine.1
  • Va or da l'aua e prenda davent las tentaclas (cun manetschas u cun in tschop).
  • Tar medusas cubicas tropicalas: versa aschieu sin las piztgadas durant almain 30 secundas, clama agid e sajas pront da far ina reanimaziun. Tar galeras portugaisas e las bleras autras: lava cun aua da mar, lura cun aua chauda cunter las dolurs.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sch'in tal animal ta piztga: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Nua sin il mund?

AfricaAsiaEuropaAmerica dal NordAmerica dal SidAustralia ed OceaniaOcean PacificOcean IndicMar da CoralMar da Timor e d'Arafura

Quant grond è el?

Quant lung è el?

Irukandji jellyfish circa 5 cm lung (2 in)In clip da palpiri circa 3 cm (1,2 in)In smartphone circa 15 cm (5,9 in)
pli curt che tes det pitschenpudess nudar la lunghezza d'in grond bassin (50 m) en 36 secundas

Quant grond è Irukandji jellyfish cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

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

Per experts da tissi

Num scientific
Carukia barnesi
Gruppa
Medusas ed autras creaturas da mar che piztgan
Famiglia
Carukiidae2
Urden
Carybdeida
Continents
Ocean Indic, Ocean Pacific, Mar da Coral, Mar da Timor e d'Arafura, Ils oceans
Poppins
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
Privel per umans
4 / 5: Fitg privlus3

Da nua che vegnan ils fatgs

  1. Carukia barnesi (Wikipedia (CC BY-SA 4.0))
  2. Carukia barnesi (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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