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Blue-lined octopus

Hapalochlaena fasciata
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 blue-lined octopus is a small sea creature, about the size of a golf ball, that lives in shallow reefs and rock pools in the Pacific Ocean. It is one of the most dangerous animals in the sea, because its bite contains venom that can be fatal to people. It is shy and usually hides, but its bright blue lines are a clear warning to leave it alone.1

Viva en
Pacific Ocean, from Australia to Japan. Common off Australia, especially southern Queensland to southern New South Wales; also Japan and Jeju Island, Korea.1
Ocean Indic, Ocean Pacific, Mar da Coral
Pagina iniziala
It lives in shallow tropical and subtropical reef waters, tide pools and intertidal rocky shores, in coastal waters down to 15 metres. It hides in reef crevices and empty seashells, so people may come across it while exploring rock pools or reefs.1
Lunghezza
4,5 cm (1,8 in)1
Sveltezza maximala
circa 25 km/h (16 mph)
Nudar, stima approximativa
Tge mangia el?
It mostly eats crustaceans and stomatopods (mantis shrimps). In captivity it has also eaten live fish. It traps its prey inside its arms and pierces it with its parrot-like beak.1
Propi!Foto da Blue-lined octopus
Blue-lined octopus. Foto: Totti. CC BY-SA 4.0, Wikimedia Commons.

Co renconuscher el

  • At rest, its body is mottled yellow-brown with dark blue or black streaks, and its underside is paler.1
  • When it feels threatened, it shows bright, iridescent blue lines across its body.1
  • It is small, with a mantle (main body) up to 45 mm long, about the size of a golf ball.1
  • Its blue markings are lines, not rings.1
  • The visceral hump (the bulge behind the head) is regularly pointed.1

Savens confundì cun: The greater blue-ringed octopus, southern blue-ringed octopus and blue-ringed octopus have circular blue rings rather than lines. The blue-lined octopus is also the smallest of the four species in its genus.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 is tetrodotoxin (TTX), a neurotoxic venom, which attacks the nerves. A bite may not be felt at first. After some time, symptoms include loss of feeling in the tongue and lips, muscle weakness or paralysis, respiratory failure (breathing failure), and unconsciousness, which can lead to death.1

Quant privlus è el per umans?

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

It is regarded as one of the most dangerous animals in the sea, and its venom can be fatal to humans. At least three human deaths have been reported. The greatest risk is to people who pick it up or touch it.1

Tge fa el, cura ch'el ha tema?

When threatened, it displays bright blue warning lines to predators, and it is more likely to flee and hide in shelter than to fight.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

Quant grond è el?

Quant lung è el?

Blue-lined octopus circa 4,5 cm lung (1,8 in)In clip da palpiri circa 3 cm (1,2 in)In smartphone circa 15 cm (5,9 in)
pli curt che tes det pitschenpudess nudar la lunghezza d'in grond bassin (50 m) en 7,2 secundas

Quant grond è Blue-lined octopus cumpareglià cun TAI?

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

Quant svelt è el?

bun da savair

Fatgs

1

A single 25-gram blue-lined octopus carries enough venom to kill about ten adults weighing 75 kilograms each, according to estimates.1

2

Male blue-lined octopuses bite the female's aorta during mating, injecting TTX. This paralyses her within about 8 minutes, which lets the male transfer his sperm packets safely.1

3

Hapalochlaena is the only octopus genus known to produce TTX, a toxin thought to have played an important role in the evolution of the species.1

4

The blue-lined octopus is the only one of the four blue-ringed species with lined blue markings instead of circular ones.1

5

Blue-lined octopuses are nocturnal hunters, while the greater blue-ringed octopus hunts during the day.1

6

Its range has been spreading across the Pacific. Warming ocean water may be shifting suitable habitat, and scientists monitor this for public health and safety.1

Destructur da mits

Mit: Because it is so shy, the blue-lined octopus is not really dangerous.

Vardad: It is extremely shy and usually flees, but its venom can still be fatal to people, and at least three deaths have been reported.1

Per experts da tissi

Num scientific
Hapalochlaena fasciata
Gruppa
Lindornas conicas e polips
Famiglia
Octopodidae2
Urden
Octopoda
Continents
Ocean Indic, Ocean Pacific, Mar da Coral, Ils oceans
Poppins
A female lays 50 to 100 large eggs about 30 days after mating, hides them under her arms until they hatch, and then dies. The hatchlings take about two months to develop.1
Privel per umans
5 / 5: Mortal3

Da nua che vegnan ils fatgs

  1. Blue-lined octopus (Wikipedia (CC BY-SA 4.0))
  2. Hapalochlaena fasciata (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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