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Blue sea dragon

Glaucus atlanticus

Malunga negama: The generic name Glaucus comes from the Ancient Greek word glaukós, meaning "bluish-grey", "bluish-green" or "gleaming".1

Kubuhlungu njeKubuhlungu, kodwa akusayi kukwenzakalisa kakhulu.

Iinkumba ze-cone neengwane

UkuhlabaSitya: Inyama

Ingozi ebantwini: KubuhlunguKunokuba buhlungu ngokwenene, kodwa phantse akusoze kube kubi kakhulu.

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

Sihlala

Warm and temperate oceans worldwide, including South Africa, Europe, eastern Australia, Brazil, India and Thailand1

uLwandlekazi lweAtlantiki, uLwandlekazi lwePasifiki, uLwandlekazi lwaseIndiya

Ekhaya

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

Ubude

3 cm (1,2 in)1

Esona santya siphezulu

malunga ne-0,01 km/h (0,01 mph)

Ukuqubha, uqikelelo nje

Sitya ntoni?

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

Ifoto ka-Blue sea dragon — Blue sea dragon. Ifoto: Sylke Rohrlach. CC BY-SA 4.0, iNaturalist.

Indlela yokusiqaphela

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

Sidla ngokubhidaniswa no: 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

Amandla etyhefu yokuluma nokuhlaba

Ukuhlaba

Ityhefu iphuma ngenaliti yokuhlaba.

Ityhefu yaso yokuluma okanye yokuhlaba yenza ntoni?

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

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KubuhlunguKunokuba buhlungu ngokwenene, kodwa phantse akusoze kube kubi kakhulu.

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

Senza ntoni xa soyika?

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

Ukuba siyahlaba

Ukubopha ngoxinzelelo nokunqanda ukushukuma (pressure immobilisation): songa ibhandeji eqinileyo enwebekayo phezu kwendawo elunyiweyo uze unyuke ngelungu lonke, uliqinise ngesiplinti, kwaye ugcine umntu engashukumi kwaphela de kufike uncedo.
Ingwane enamakhonkco aluhlaza okwesibhakabhaka okanye inkumba ye-cone inokwenza umntu ayeke ukuphefumla esaphaphile: biza uncedo kwaye ulungele ukumphefumlela (rescue breaths) de i-ambulensi ithathe izintambo.

Soloko utsalela inombolo kaxakeka kuqala (112, 000, 911). Esi sisikhokelo soncedo lokuqala ngokubanzi, asilocebiso lwezonyango. Iziseko zoncedo lokuqala

Hlala ukhuselekile

Ungaze uchukumise, ubambe okanye uqhule isilwanyana sasendle, nokuba sincinci, kwaye nokuba sibonakala silele okanye sifile.
Sinike indawo. Ukuba udibana naso, hlala uzolile, buyela umva kancinci kwaye usiyeke sihambe ngendlela yaso.
Ukuba siyakuhlaba: hlala uzolile, musa ukushukuma, tsalela inombolo kaxakeka (112, 000, 911) okanye uye esibhedlele ngokukhawuleza. Khumbula ukuba sasikhangeleka njani, ifoto iyanceda.

Asikuzingeli. Sisebenzisa ityhefu yaso ukubamba ukutya okanye ukuzikhusela, kwaye singakhetha ukuzimela. Okungakumbi malunga nokuhlala ukhuselekile

Phi emhlabeni?

IAfrika IAsiya IYurophu uMntla Melika uMzantsi Melika IOstreliya neOceania uLwandlekazi lwePasifiki uLwandlekazi lweAtlantiki uLwandlekazi lwaseIndiya

Sikhulu kangakanani?

Side kangakanani?

malunga nobude besiqhobosho sephephasicotha kunenkumba yasegadini

U-Blue sea dragon mkhulu kangakanani xa uthelekisa NAWE?

Zizibalo nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwa naphi na.

Sikhawuleza kangakanani?

Ihashe lolwandle malunga ne-0,0015 km/h (0 mph)

Blue sea dragon malunga ne-0,01 km/h (0,01 mph)

Inkumba yasegadini malunga ne-0,05 km/h (0,03 mph)

kufanelekile ukwazi

Iinyaniso

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

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

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

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

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

Kwiingcali zetyhefu

Igama lenzululwazi: Glaucus atlanticus
Iqela: Iinkumba ze-cone neengwane
Usapho: Glaucidae2
Ucwangco: Nudibranchia
Amazwekazi: uLwandlekazi lweAtlantiki, uLwandlekazi lwePasifiki, uLwandlekazi lwaseIndiya, Iilwandlekazi
Iintsana: After mating, both partners lay egg strings with up to 20 eggs on each string, often in wood or on carcasses.1
Ixesha lobomi: malunga neminyaka eyi-11
Ingozi ebantwini: 2 / 5: Kubuhlungu3

Apho iinyaniso zivela khona

Glaucus atlanticus (Wikipedia (CC BY-SA 4.0))
Glaucus atlanticus (iNaturalist): amagama nokuhlelwa.
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