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Southern blue-ringed octopus

Hapalochlaena maculosa
Davart il num: It is named for the vibrant blue rings it shows when it is agitated.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 southern blue-ringed octopus is a small octopus that lives in tidal rock pools and rocky reefs along the south coast of Australia. It is one of four extremely venomous blue-ringed octopus species. Its body is usually drab, but its blue rings flash when it feels threatened.1

Viva en
Southern coasts of Australia1
Ocean Indic, Ocean Pacific
Pagina iniziala
It lives in tidal rock pools and in crevasses and cracks in rocky reefs. It also lives close to seagrass beds. Like other blue-ringed octopuses, it lives in burrows.1
Lunghezza
20 cm (7,9 in)1
Sveltezza maximala
circa 25 km/h (16 mph)
Nudar, stima approximativa
Tge mangia el?
It eats mostly lobsters, crabs, shrimp and shellfish, including bivalve molluscs, and sometimes small fish. It pins down prey and injects venom through its beak, which paralyses the prey. It can also release venom as a mist into areas where prey gathers, so that prey swim into it and become paralysed.1
Propi!Foto da Southern blue-ringed octopus
Southern blue-ringed octopus. Foto: Christopher Mark. CC BY 4.0, iNaturalist.

Co renconuscher el

  • When calm, its colour is a drab, mucus-like colour.1
  • When threatened or aggravated, about 60 rings suddenly appear and flash blue-green.1
  • As an adult, it is up to 20 cm long, from the top of the mantle to the tip of the arms.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 maculotoxin, a deadly neurotoxin (a poison that attacks the nerves), and tetrodotoxin (TTX), also a neurotoxin. Without immediate medical attention, a bite is often fatal to humans.1

Quant privlus è el per umans?

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

The octopus is normally docile, but its venom can kill a human. A bite is often fatal without immediate medical attention. No cases of unprovoked aggression towards humans are known.1

Tge fa el, cura ch'el ha tema?

When threatened, its drab colouring gives way to flashing blue-green rings.1

Sch'el morda

  • Get immediate medical attention, because a bite is often fatal without it. No antivenom exists.1
  • 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 Indic

Quant grond è el?

Quant lung è el?

Southern blue-ringed octopus circa 20 cm lung (7,9 in)Ina banana circa 18 cm (7,1 in)In giat da chasa circa 50 cm (1,6 ft)
uschè lung sco 6 bluccs da construcziun in suenter l'auterpudess nudar la lunghezza d'in grond bassin (50 m) en 7,2 secundas

Quant grond è Southern 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

Females only reproduce once in their lifetime. After the eggs hatch, the mother dies shortly afterwards, as she does not eat while guarding them.1

2

Young blue-ringed octopuses have no planktonic stage. They begin hunting at around one month old.1

3

The average lifespan is around seven months. The octopus reaches sexual maturity at about four months old.1

4

Females are choosy about mates. They are more willing to mate with larger males, and larger males try to mate more often than smaller ones.1

Destructur da mits

Mit: Popular culture portrays the southern blue-ringed octopus as a sea devil that lies in wait to attack humans.

Vardad: Its venom is mainly used for hunting or defence. There are no reported cases of unprovoked aggression towards humans.1

Per experts da tissi

Num scientific
Hapalochlaena maculosa
Gruppa
Lindornas conicas e polips
Famiglia
Octopodidae2
Urden
Octopoda
Continents
Ocean Indic, Ocean Pacific, Ils oceans
Poppins
The female carries her eggs with her instead of leaving them in one place, and the young hatch from them. The young are venomous from birth, and their blue rings appear about six weeks after hatching.1
Durada da vita
circa 0,6 onns1
Privel per umans
5 / 5: Mortal3

Da nua che vegnan ils fatgs

  1. Southern blue-ringed octopus (Wikipedia (CC BY-SA 4.0))
  2. Hapalochlaena maculosa (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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