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Australian box jellyfish

Chironex fleckeri

Oor die naam: The species is named after Doctor Hugo Flecker, who found the first specimen. Its genus name combines Chiron, a centaur from Greek myth, with the Latin word nex, meaning murder.1

DodelikMoenie aanraak nieEen van die dodelikste diere op aarde. As dit jou steek, roep dadelik hulp.Maak binne minute dood. Hulp moet reeds op pad wees.

Jellievisse & see-steekdiere

SteektentakelsEet: Vleis

Gevaar vir mense: DodelikEen van die gevaarlikste diere in die wêreld.

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

Leef in

Northern Australia, Papua New Guinea, Indonesia, Malaysia, Singapore, the Philippines, Vietnam and nearby coasts1

Indiese Oseaan, Stille Oseaan, Koraalsee, Suid-Chinese See, Filippynse See, Timorsee & Arafurasee

Tuis

It lives in coastal waters, and is most common there in the warmer months. People meet it in shallow water near beaches, and breeding happens in lower river levels and mangrove channels.1

Lengte

16 cm tot 35 cm (6,3 in tot 1,1 ft)1

Topspoed

omtrent 7 km/h (4,4 mph)

Swem: kubuskwalle kan omtrent 4 knope swem

Wat eet dit?

It eats prawns, small fish, crabs, shrimp and other small sea animals. It catches them using its long, stinging tentacles.1

Foto van Australian box jellyfish — Australian box jellyfish. Foto: Kai Squires. CC BY 4.0, iNaturalist.

Hoe om dit te herken

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

Gifkrag

Steektentakels

Duisende piepklein steekselle skiet af wanneer iets aan hulle raak.

Wat doen sy gif as dit byt of steek?

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

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: DodelikEen van die gevaarlikste diere in die wêreld.

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

Goeie nuus: dokters het 'n medisyne (teengif) of 'n behandeling hiervoor.1

As dit steek

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
Klim uit die water en pluk enige tentakels af (met handskoene of 'n lap).
Vir tropiese kubuskwalle: gooi vir minstens 30 sekondes asyn oor die steke, roep hulp en wees gereed om KPR te doen. Vir bloublasies en die meeste ander: spoel af met seewater, dan warm water vir die pyn.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
As een jou steek: bly kalm, bly stil, bel jou noodnommer (112, 000, 911) of kom vinnig by 'n hospitaal uit. Onthou hoe dit gelyk het, 'n foto help.

Dit is nie uit om jou te kry nie. Dit gebruik sy gif om kos te vang of om homself te beskerm, en kruip baie eerder weg. Meer oor veilig bly

Waar in die wêreld?

Afrika Asië Europa Noord-Amerika Suid-Amerika Australië & Oseanië Stille Oseaan Indiese Oseaan Koraalsee Suid-Chinese See Filippynse See Timorsee & Arafurasee

Hoe groot is dit?

Hoe lank is dit?

so lank soos 11 speelgoed-boublokke in 'n rykan die lengte van 'n groot swembad (50 m) in 26 sekondes swem

Hoe groot is Australian box jellyfish in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

'n Mens wat swem omtrent 3 km/h (1,9 mph)

Australian box jellyfish omtrent 7 km/h (4,4 mph)

'n Olimpiese swemmer omtrent 8 km/h (5 mph)

die moeite werd om te weet

Feite

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

Mite-breker

Mite: Pressure bandages are the best first aid for a box jellyfish sting.

Waarheid: 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

Vir gifkenners

Wetenskaplike naam: Chironex fleckeri
Groep: Jellievisse & see-steekdiere
Familie: Chirodropidae2
Orde: Chirodropida
Kontinente: Indiese Oseaan, Stille Oseaan, Koraalsee, Suid-Chinese See, Filippynse See, Timorsee & Arafurasee, Die oseane
Babas: It lays eggs, and fertilised eggs develop into tiny polyps that bud into new young jellyfish, which return to the ocean.1
Gevaar vir mense: 5 / 5: Dodelik3

Waar die feite vandaan kom

Chironex fleckeri (Wikipedia (CC BY-SA 4.0))
Chironex fleckeri (iNaturalist): name en klassifikasie.
Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dierfanatici, nie 'n wetenskaplike joernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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