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Setshwantsho sa khathune sa Bay of Bengal blue-ringed octopus
No. 1165 ho 1 402

Bay of Bengal blue-ringed octopus

Hapalochlaena nierstraszi
E ka bolayaE ka o bolaya ntle le kalafo. Ha e ka o loma, fumana thuso kapele.
Dikgofu tsa cone le di-octopus Ho lomaE ja: Nama
Kotsi ho batho: E kotsi haholoE ka bolaya motho ya sa fumaneng kalafo.

The Bay of Bengal blue-ringed octopus is a small sea creature that hides in rock crevices and coral reefs. It is one of the most venomous marine animals in the world, even though it is only about the size of a hand. Its blue rings are a warning to keep away.1

E phela
Bay of Bengal, Indian Ocean and Pacific Ocean, from Japan to Australia (blue-ringed octopuses in general)1
Lewatle la India, Lewatle la Andaman, Kgwohlo ya Bengal
Lapeng
It lives in tide pools, between rocks, in crevices and shells, and on coral reefs. Blue-ringed octopuses hide in crevices and pile rocks at the entrance to their lairs.1
Bolelele
12 cm ho isa ho 20 cm (4,7 in ho isa ho 7,9 in)1
Lebelo le phahameng
e ka bang 25 km/h (16 mph)
Ho sesa, kakanyo feela
E ja eng?
It eats small crustaceans, including crabs, hermit crabs and shrimp, as well as fish. It pounces on its prey, seizes it with its arms, and pierces the shell or exoskeleton with its horny beak to release venom.1
Ka nnete!Foto ya Bay of Bengal blue-ringed octopus
Bay of Bengal blue-ringed octopus. Foto: Jens Petersen. CC BY 2.5, Wikimedia Commons.

Ho e tseba jwang

  • Yellowish skin with blue and black rings1
  • Small size, about 12 to 20 cm1
  • When provoked, it turns bright yellow and its rings flash bright iridescent blue within a third of a second1
  • Usually hides in crevices and is rarely seen out in the open1

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 tetrodotoxin, a neurotoxin (a poison that attacks the nerves). It causes paralysis of the muscles and can stop breathing within minutes. Victims stay fully aware but cannot move, and the venom can also cause nausea, heart failure and blindness.1

E kotsi hakae ho batho?

Kotsi ho batho: E kotsi haholoE ka bolaya motho ya sa fumaneng kalafo.

The octopus carries enough venom to kill more than 20 adult humans within minutes. Its bites are tiny and often painless, so victims may not realise they have been bitten until breathing problems and paralysis begin. Estimates of recorded human deaths range from seven to 16, and most scholars agree at least 11 have occurred. Children are the most at risk because of their small body size.1

E etsang ha e tshohile?

It first tries to flee. If the threat continues, it takes a defensive stance and flashes its blue rings, and if cornered and touched it may bite.1

Haeba e loma

  • First aid is pressure on the wound, followed by artificial respiration as soon as paralysis stops the victim breathing. Respiratory support should continue until medical help arrives. In hospital, the patient is put on a ventilator until the toxin leaves the body, and those who survive the first 24 hours usually recover completely.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 IndiaLewatle la AndamanKgwohlo ya Bengal

E kgolo hakae?

E telele hakae?

Bay of Bengal 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

Bay of Bengal 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

The blue-ringed octopus was the first animal reported to use tetrodotoxin as a venom. The same toxin is also found in pufferfish, rough-skinned newts and some poison dart frogs.1

2

The mother may inject the toxin into her eggs, which may then make their own venom before hatching.1

3

The octopus produces its venom using bacteria living inside its posterior salivary gland.1

4

Its blue rings flash in less than a third of a second, using muscles under nerve control. This is a warning display.1

5

The octopus's own body is resistant to its tetrodotoxin, so the venom does not harm it.1

6

In the 1983 James Bond film Octopussy, the blue-ringed octopus is the symbol of a secret order of female bandits and smugglers.1

Ho senya ditshomo

Tshomo: Because it is small and relatively docile, the blue-ringed octopus is harmless.

Nnete: It is small and usually calm, but it is very dangerous if it is provoked or handled. Its venom can kill a healthy adult within minutes if not treated.1

Bakeng sa ditsebi tsa chefo

Lebitso la saense
Hapalochlaena nierstraszi
Sehlopha
Dikgofu tsa cone le di-octopus
Lelapa
Octopodidae2
Tatelano
Octopoda
Dikontinente
Lewatle la India, Lewatle la Andaman, Kgwohlo ya Bengal, Mawatle
Masea
The female lays one clutch of about 50 eggs in late autumn and keeps them under her arms for about six months. She does not eat during this time, and she dies after the eggs hatch.1
Boemo ba yona naheng
Least concern1
Kotsi ho batho
4 / 5: E kotsi haholo3

Moo dintlha di tswang teng

  1. Blue-ringed octopus (Wikipedia (CC BY-SA 4.0))
  2. Hapalochlaena nierstraszi (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

Geography coneDikgofu tsa cone le di-octopusE a bolayaGreater blue-ringed octopusDikgofu tsa cone le di-octopusE a bolayaSouthern blue-ringed octopusDikgofu tsa cone le di-octopusE a bolayaBlue sea dragonDikgofu tsa cone le di-octopusE utlwisa bohloko feelaCommon octopusDikgofu tsa cone le di-octopusHa e na kotsiGiant Pacific octopusDikgofu tsa cone le di-octopusHa e na kotsi

E boetse e phela: Lewatle la India

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Fepa phephengnkgo ya ditjhelete tsa teboho, e e boloka e le mahala