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Greater blue-ringed octopus

Hapalochlaena lunulata
Davart il num: Its common name comes from the blue rings on its skin, which are larger than those of related octopuses.1
MortalIn dals animals ils pli mortals da la Terra. Sch'el ta morda, clama immediat agid.Agid svelt ed antiserum salvan las bleras persunas. Clama immediat tes numer d'urgenza.
Lindornas conicas e polips MorsasMangia: Charn
Privel per umans: MortalIn dals animals ils pli privlus dal mund.

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

Viva en
Tropical and subtropical Indo-West Pacific, from Sri Lanka to the Philippines, and from Australia to Papua New Guinea, the Solomon Islands and Vanuatu1
Ocean Indic, Ocean Pacific, Mar da Coral, Mar da las Filippinas, Mar da Timor e d'Arafura
Pagina iniziala
It lives in shallow water over mixed seabeds such as rubble, reefs and sand. It hides in a burrow and comes out only to find food or a mate. The entrance to its burrow is littered with leftover crab and shell remains, which makes it easy to spot.1
Lunghezza
10 cm (3,9 in)1
Sveltezza maximala
circa 25 km/h (16 mph)
Nudar, stima approximativa
Tge mangia el?
It eats small crabs, shrimp and molluscs, and sometimes small injured fish. It pounces on prey, seizes it with its arms and pulls it to its beak, which pierces the shell or exoskeleton and releases venom.1
Propi!Foto da Greater blue-ringed octopus
Greater blue-ringed octopus. Foto: Jens Petersen. CC BY 2.5, Wikimedia Commons.

Co renconuscher el

  • 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

Forza dal tissi

Morsas

Il tissi vegn or tras ses dents da tissi u ses dents, cura ch'el morda.

Tge fa ses tissi?

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

Quant privlus è el per umans?

Privel per umans: MortalIn dals animals ils pli privlus dal mund.

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

Tge fa el, cura ch'el ha tema?

It flashes its blue rings as a warning to predators, and it uses its venom to defend itself.1

Sch'el morda

  • Immobilisaziun cun squitsch: envolva ina bandascha elastica ferma sur la morsa e lura vi da l'entir member ensi, fixescha el cun ina stecca e tegna la persuna dal tut immobila, fin che l'agid arriva.
  • In polip cun anels blaus u ina lindorna conica po far che ina persuna na respira betg pli, entant ch'ella è anc dasda: clama agid e sajas pront da dar respiraziun artifiziala, fin che l'equipa da l'ambulanza surpiglia.

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 morda: 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 las FilippinasMar da Timor e d'Arafura

Quant grond è el?

Quant lung è el?

Greater blue-ringed octopus circa 10 cm lung (3,9 in)In clip da palpiri circa 3 cm (1,2 in)In smartphone circa 15 cm (5,9 in)
uschè lung sco 3 bluccs da construcziun in suenter l'auterpudess nudar la lunghezza d'in grond bassin (50 m) en 7,2 secundas

Quant grond è Greater blue-ringed octopus cumpareglià cun TAI?

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

Quant svelt è el?

bun da savair

Fatgs

1

The greater blue-ringed octopus is one of the most venomous marine animals in the world, despite being small.1

2

Its venom contains tetrodotoxin, the same toxin found in pufferfish.1

3

There is no known antidote or antitoxin for tetrodotoxin, and the toxin does not break down when heated or boiled.1

4

Its blue rings are a warning signal to predators, showing that it is highly venomous.1

5

Males die after mating, and females die after guarding their eggs because they refuse to eat.1

Destructur da mits

Mit: A small octopus is harmless.

Vardad: Despite its small size, its bite can be deadly to humans.1

Per experts da tissi

Num scientific
Hapalochlaena lunulata
Gruppa
Lindornas conicas e polips
Famiglia
Octopodidae2
Urden
Octopoda
Continents
Ocean Indic, Ocean Pacific, Mar da Coral, Mar da las Filippinas, Mar da Timor e d'Arafura, Ils oceans
Poppins
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
Durada da vita
circa 2 onns1
Privel per umans
5 / 5: Mortal3

Da nua che vegnan ils fatgs

  1. Greater blue-ringed octopus (Wikipedia (CC BY-SA 4.0))
  2. Hapalochlaena lunulata (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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