Greater blue-ringed octopus
The greater blue-ringed octopus is a small sea creature that lives in the warm shallow waters of the Indo-West Pacific, including around Australia. It is one of the most venomous marine animals in the world, so knowing what it looks like matters.1

Nola ezagutu
- A small octopus, up to 10 cm with its arms included, weighing about 80 grams on average.1
- Electric blue rings, about 7 to 8 mm across, roughly 60 of them, spread over its whole skin.1
- The rings flash iridescent blue as a warning signal, each flash lasting about a third of a second.1
- Its body colour varies from yellow ochre to light brown, or whitish when inactive.1
- Blue lines run through its eyes.1
Pozoi-ahalmena
Pozoia letaginetatik edo hortzetatik ateratzen da kosk egiten duenean.
Zer egiten du bere pozoiak?
Its venom contains tetrodotoxin (TTX), a powerful neurotoxin, which is a poison that attacks the nerves. It paralyses the muscles needed for movement, and in people it can lead to death through respiratory paralysis, which means the breathing muscles stop working. Symptoms include tingling and numbness of the face and lips, sweating, severe headaches, dizziness, speech problems, weakness and vomiting. Symptoms can appear between 15 minutes and four hours after a bite, and the victim stays conscious throughout.1
Zein arriskutsua da pertsonentzat?
Arriskua pertsonentzat: HilgarriaMunduko animaliarik arriskutsuenetako bat.The bite is capable of being fatal to humans. The bite is painless, so a person may not notice it. Children are more sensitive to the toxin. Death can occur between 20 minutes and 24 hours after symptoms begin.1
Zer egiten du beldurtzen denean?
It flashes its blue rings as a warning to predators, and it uses its venom to defend itself.1
Kosk egiten badu
- Presio-immobilizazioa: bildu benda elastiko sendo bat koskaren gainean eta gero gorputz-adar osoan gora, immobilizatu ferula batekin, eta eutsi pertsona guztiz geldi laguntza iritsi arte.
- Eraztun urdineko olagarro batek edo kono-barraskilo batek pertsona baten arnasketa gelditu dezake, pertsona hori oraindik esna dagoela: eskatu laguntza eta egon prest erreskate-arnasketak emateko anbulantziak ardura hartu arte.
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 kosk egiten badizu: 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?
3 eraikuntza-bloke ilaran jarrita bezain luzea
igerileku handi baten luzera (50 m) igerian egin lezake 7,2 segundotanZein handia da Greater blue-ringed octopus ZUREKIN alderatuta?
Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.
Zein azkarra da?
Datuak
The greater blue-ringed octopus is one of the most venomous marine animals in the world, despite being small.1
Its venom contains tetrodotoxin, the same toxin found in pufferfish.1
There is no known antidote or antitoxin for tetrodotoxin, and the toxin does not break down when heated or boiled.1
Its blue rings are a warning signal to predators, showing that it is highly venomous.1
Males die after mating, and females die after guarding their eggs because they refuse to eat.1
Mito-hauslea
Mitoa: A small octopus is harmless.
Egia: Despite its small size, its bite can be deadly to humans.1
Pozoi-adituentzat
- Izen zientifikoa
- Hapalochlaena lunulata
- Taldea
- Kono-barraskiloak eta olagarroak
- Familia
- Octopodidae2
- Ordena
- Octopoda
- Kontinenteak
- Ozeano Indikoa, Ozeano Barea, Koralen itsasoa, Filipinetako itsasoa, Timor eta Arafura itsasoak, Ozeanoak
- Kumeak
- The female lays 50 to 100 eggs, which she carries under her arms for about a month. The young hatch as tiny planktonic paralarvae, about the size of a pea.1
- Bizi-iraupena
- 2 urte inguru1
- Arriskua pertsonentzat
- 5 / 5: Hilgarria3
Datuak nondik datozen
- Greater blue-ringed octopus (Wikipedia (CC BY-SA 4.0))
- Hapalochlaena lunulata (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.
Koska

