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Setshwantsho sa khathune sa Southern blue-ringed octopus
No. 1163 ho 1 402

Southern blue-ringed octopus

Hapalochlaena maculosa
Ka lebitso: It is named for the vibrant blue rings it shows when it is agitated.1
E a bolayaE nngwe ya diphoofolo tse bolayang ka ho fetisisa Lefatsheng. Ha e ka o loma, bitsa thuso hang-hang.Thuso e potlakileng le antivenom di pholosa batho ba bangata. Letsetsa nomoro ya tshohanyetso hang-hang.
Dikgofu tsa cone le di-octopus Ho lomaE ja: Nama
Kotsi ho batho: E a bolayaE nngwe ya diphoofolo tse kotsi ka ho fetisisa lefatsheng.

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

E phela
Southern coasts of Australia1
Lewatle la India, Lewatle la Pacific
Lapeng
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
Bolelele
20 cm (7,9 in)1
Lebelo le phahameng
e ka bang 25 km/h (16 mph)
Ho sesa, kakanyo feela
E ja eng?
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
Ka nnete!Foto ya Southern blue-ringed octopus
Southern blue-ringed octopus. Foto: Christopher Mark. CC BY 4.0, iNaturalist.

Ho e tseba jwang

  • 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

Matla a chefo

Ho loma

Chefo e tswa ka meno a yona a chefo (fangs) kapa ka meno a mang ha e loma.

Chefo ya yona (eo e e kenyang ka ho loma kapa ho hlaba) e etsang?

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

E kotsi hakae ho batho?

Kotsi ho batho: E a bolayaE nngwe ya diphoofolo tse kotsi ka ho fetisisa lefatsheng.

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

E etsang ha e tshohile?

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

Haeba e loma

  • Get immediate medical attention, because a bite is often fatal without it. No antivenom exists.1
  • Pressure immobilisation: phuthela bandeje e tiileng e huduhang (elastiki) hodima moo e lomileng teng ebe o nyolla setho sohle, o se tlame ka splint (lepolanka la ho se tshehetsa), mme o boloke motho a sa sisinyehe ho hang ho fihlela thuso e fihla.
  • Octopus e nang le mehele e putswa kapa kgofu ya cone e ka etsa hore motho a emise ho hema a ntse a tsohile: bitsa thuso mme o itokisetse ho mo hemela ka molomo (rescue breaths) ho fihlela ambulense e nka boikarabelo.

Kamehla letsetsa nomoro ya tshohanyetso pele (112, 000, 911). Ena ke tataiso e akaretsang ya thuso ya pele, hase keletso ya bongaka. Metheo ya thuso ya pele

Dula o bolokehile

  • O se ke wa ama, wa tshwara kapa wa tena phoofolo ya naheng, leha e le e nyenyane, le leha e shebahala e robetse kapa e shwele.
  • E fe sebaka. Ha o kopana le yona, dula o kgutsitse, kgutlela morao butle mme o e tlohele e tsamaye ka tsela ya yona.
  • Haeba e nngwe e o loma: dula o kgutsitse, o se ke wa sisinyeha, letsetsa nomoro ya tshohanyetso (112, 000, 911) kapa o ye sepetlele kapele. Hopola hore e ne e shebahala jwang, foto e a thusa.

Ha e o batle. E sebedisa chefo ya yona ho tshwara dijo kapa ho itshireletsa, mme e kgetha ho ipata. Ho eketsehileng ka ho dula o bolokehile

Hokae lefatsheng?

AfrikaAsiaYuropaAmerika LeboyaAmerika BorwaAustralia le OceaniaLewatle la PacificLewatle la India

E kgolo hakae?

E telele hakae?

Southern blue-ringed octopus bolelele ba e ka bang 20 cm (7,9 in)Banana e ka bang 18 cm (7,1 in)Katse ya lapeng e ka bang 50 cm (1,6 ft)
e telele jwaloka diboloko tsa ho bapala tse 6 molenge ka sesa bolelele ba letangwane le leholo la ho sesa (50 m) ka metsotswana e 7,2

Southern blue-ringed octopus e kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ka hara sebatli sa hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E potlaka hakae?

ho molemo ho tseba

Dintlha

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

Ho senya ditshomo

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

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

Bakeng sa ditsebi tsa chefo

Lebitso la saense
Hapalochlaena maculosa
Sehlopha
Dikgofu tsa cone le di-octopus
Lelapa
Octopodidae2
Tatelano
Octopoda
Dikontinente
Lewatle la India, Lewatle la Pacific, Mawatle
Masea
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
Nako ya bophelo
e ka bang dilemo tse 0,61
Kotsi ho batho
5 / 5: E a bolaya3

Moo dintlha di tswang teng

  1. Southern blue-ringed octopus (Wikipedia (CC BY-SA 4.0))
  2. Hapalochlaena maculosa (iNaturalist): mabitso le tlhophiso.
  3. Venom Wiki: boemo ba kotsi, boholo bo tlwaelehileng le kakanyo ya lebelo ke tsa rona. Bona kamoo re di balang ka teng: Kamoo re lekanyang kotsi ka teng.

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Tse ding tsa sehlopha se le seng: Dikgofu tsa cone le di-octopus

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