Australian box jellyfish
The Australian box jellyfish is one of the most venomous animals in the world. It lives in the warm coastal waters of northern Australia and nearby parts of Southeast Asia. Its sting can cause extreme pain and can be deadly, so it is important to know how to recognise it and what to do.1

Nola ezagutu
- The bell is box-shaped and pale blue, with faint markings.1
- The bell is usually about 16 cm across and can reach 35 cm.1
- A cluster of 15 tentacles hangs from each of the four corners of the bell.1
- It is almost completely transparent, so it is very hard to see in the water.1
- When hunting, its tentacles can stretch to about 3 m long.1
Pozoi-ahalmena
Milaka zelula ziztatzaile txikik tiro egiten dute zerbaitek ukitzen dituenean.
Zer egiten du bere pozoiak?
Its venom makes cells porous, so potassium leaks out of them. This causes hyperkalemia, a dangerous build-up of potassium in the blood, which can lead to heart and circulation failure. Stings cause excruciating pain and a burning feeling, and an untreated victim can die within two to five minutes.1
Zein arriskutsua da pertsonentzat?
Arriskua pertsonentzat: HilgarriaMunduko animaliarik arriskutsuenetako bat.At least 64 deaths have been recorded in Australia. Most deaths in recent decades have been children, because their smaller bodies are at higher risk. Most stings are mild, but one animal's venom is said to be enough to kill 60 adults.1
Albiste ona: medikuek badute sendagai bat (antipozoia) edo tratamendu bat honetarako.1
Ziztatzen badu
- Diluted acetic acid, such as vinegar, is the recommended treatment, because it deactivates stinging cells that have not yet fired. Some North American toxicologists advise applying it for around 30 seconds. Pressure bandages are no longer recommended, because they can cause more stinging cells to fire.1
- Atera uretatik eta kendu tentakuluak (eskularruekin edo oihal batekin).
- Kubomedusa tropikalak: bota ozpina ziztadetan gutxienez 30 segundoz, eskatu laguntza eta egon prest BBS (bihotz-biriketako suspertzea) egiteko. Fisaliak eta beste gehienak: garbitu itsasoko urarekin, eta gero ur beroarekin minerako.
Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak
Egon seguru
- Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
- Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
- Batek ziztatzen bazaitu: egon lasai, egon geldi, deitu zure larrialdi-zenbakira (112, 000, 911) edo joan ospitalera azkar. Gogoratu nolakoa zen, argazki batek laguntzen du.
Ez dabil zure atzetik. Pozoia janaria harrapatzeko edo bere burua babesteko erabiltzen du, eta askoz nahiago du ezkutatu. Seguru egoteari buruz gehiago
Munduko zein tokitan?
Zein handia da?
Zein luzea da?
11 eraikuntza-bloke ilaran jarrita bezain luzea
igerileku handi baten luzera (50 m) igerian egin lezake 26 segundotanZein handia da Australian box jellyfish ZUREKIN alderatuta?
Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.
Zein azkarra da?
Datuak
It has four clusters of eyes with 24 eyes in total, even though it has no central nervous system.1
Its tentacles are covered with millions of stinging cells that fire microscopic darts carrying venom.1
Its only known predators are green sea turtles and leatherback turtles, whose thick skin protects them from its stings.1
It is attracted to blue light, which makes it stream out its tentacles, while black objects make it move away.1
From certain angles, its pale blue bell looks like a human head or skull.1
Its name, 'hand of death', comes from its four appendages, which look like hands.1
Mito-hauslea
Mitoa: Pressure bandages are the best first aid for a box jellyfish sting.
Egia: Pressure bandages were used until 2005, but health authorities no longer recommend them because they can trigger more venom release. Diluted vinegar is the recommended treatment.1
Pozoi-adituentzat
- Izen zientifikoa
- Chironex fleckeri
- Taldea
- Marmokak eta itsasoko izaki ziztatzaileak
- Familia
- Chirodropidae2
- Ordena
- Chirodropida
- Kontinenteak
- Ozeano Indikoa, Ozeano Barea, Koralen itsasoa, Hego Txinako itsasoa, Filipinetako itsasoa, Timor eta Arafura itsasoak, Ozeanoak
- Kumeak
- It lays eggs, and fertilised eggs develop into tiny polyps that bud into new young jellyfish, which return to the ocean.1
- Arriskua pertsonentzat
- 5 / 5: Hilgarria3
Datuak nondik datozen
- Chironex fleckeri (Wikipedia (CC BY-SA 4.0))
- Chironex fleckeri (iNaturalist): izenak eta sailkapena.
- Venom Wiki: arrisku-maila, ohiko tamaina eta abiadura-kalkulua geureak dira. Ikusi nola kalkulatzen ditugun: Nola baloratzen dugun arriskua.
Orrialde honetako datu bakoitzak zenbaki bat du, bere iturrira eramaten zaituena. Zerbait gaizki badugu, barkatu, animalien zaleak gara, ez zientzia-aldizkari bat. Esaiguzu [email protected] helbidean eta konponduko dugu.
Tentakulu ziztatzaileak

