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Katuni ya Blue sea dragon
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Blue sea dragon

Glaucus atlanticus
Kuhusu jina: The generic name Glaucus comes from the Ancient Greek word glaukós, meaning "bluish-grey", "bluish-green" or "gleaming".1
Inauma tuInauma, lakini haitakudhuru vibaya.
Konokono koni na pweza KudungwaHula: Nyama
Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

The blue sea dragon is a small, bright blue sea slug that floats upside down on the open ocean. It drifts with winds and currents in warm and temperate seas around the world. It is special because it steals stinging cells from the animals it eats and uses them as its own weapon.1

Anaishi
Warm and temperate oceans worldwide, including South Africa, Europe, eastern Australia, Brazil, India and Thailand1
Bahari ya Atlantiki, Bahari ya Pasifiki, Bahari ya Hindi
Nyumbani
It lives in the open ocean (the pelagic zone) and is carried by winds and currents. Because it sometimes washes up on shore, people may find it on beaches, for example in Thailand, Spain and Texas.1
Urefu
3 cm (1.2 in)1
Kasi ya juu
takriban km 0.01 kwa saa (maili 0.01 kwa saa)
Kuogelea, makadirio
Hula nini?
It feeds on other floating sea animals, including the Portuguese man o' war and other venomous siphonophores. It bites off chunks of its prey with serrated teeth and a strong jaw.1
Kweli kabisa!Picha ya Blue sea dragon
Blue sea dragon. Picha: Sylke Rohrlach. CC BY-SA 4.0, iNaturalist.

Jinsi ya kumtambua

  • Usually around 3 cm long1
  • Floats upside down at the surface, with its blue side facing up1
  • Silvery grey on its back, which faces down in the water1
  • Dark blue stripes on its head1
  • Six finger-like, feathery appendages called cerata1

Mara nyingi huchanganywa na: It is closely related to G. marginatus, which is now known to be four separate species living in the Indian and Pacific Oceans. It also shares the name "blue dragon" with Pteraeolidia ianthina and G. marginatus.1

Nguvu ya sumu

Kudungwa

Sumu hutoka kupitia mdungo.

Sumu yake hufanya nini?

It does not make its own venom. It takes the stinging cells (nematocysts) from the Portuguese man o' war and stores them in its cerata, a process called kleptocnidy. Because it concentrates this venom, its sting can be stronger than that of the animal it eats. Symptoms can include pain, nausea, vomiting, a rash, redness and blisters.1

Ana hatari gani kwa watu?

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

Picking up the animal can cause a very painful sting that may be potentially dangerous. Its sting produces symptoms similar to those of the Portuguese man o' war.1

Hufanya nini akiogopa?

It stores stinging cells from its prey in its cerata and uses them against predators.1

Akidunga

  • Kubana na kutotikisa: funga bandeji nyororo kwa nguvu juu ya jeraha kisha mguu au mkono mzima, weka banzi, na umweke mtu bila kutikisika kabisa hadi msaada ufike.
  • Pweza mwenye pete za bluu au konokono koni anaweza kusimamisha pumzi ya mtu akiwa bado ana fahamu: omba msaada na uwe tayari kumpa pumzi ya uokoaji hadi gari la wagonjwa lifike.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

  • Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
  • Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
  • Akikudunga: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Ana ukubwa gani?

Ana urefu gani?

Blue sea dragon urefu wa takriban 3 cm (1.2 in)Kibanio cha karatasi takriban 3 cm (1.2 in)Simu janja takriban 15 cm (5.9 in)
karibu urefu sawa na kibanio cha karatasipolepole kuliko konokono wa bustanini

Blue sea dragon ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

inafaa kujua

Ukweli

1

It can eat the Portuguese man o' war without harm, because it is immune to that animal's stinging cells.1

2

It floats upside down because its gas-filled stomach sac sits on the wrong side of its body, so its foot becomes its upper surface.1

3

Its blue colour is thought to reflect harmful ultraviolet sunlight.1

4

Its countershading, with blue on top and silver-grey below, helps it hide from predators above and below.1

5

It can lay up to 55 egg strings per hour.1

Kwa wataalamu wa sumu

Jina la kisayansi
Glaucus atlanticus
Kundi
Konokono koni na pweza
Familia
Glaucidae2
Mpangilio
Nudibranchia
Mabara
Bahari ya Atlantiki, Bahari ya Pasifiki, Bahari ya Hindi, Bahari kuu
Watoto
After mating, both partners lay egg strings with up to 20 eggs on each string, often in wood or on carcasses.1
Muda wa maisha
takriban miaka 11
Hatari kwa watu
2 / 5: Inauma3

Ukweli unatoka wapi

  1. Glaucus atlanticus (Wikipedia (CC BY-SA 4.0))
  2. Glaucus atlanticus (iNaturalist): majina na uainishaji.
  3. Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

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