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Inombolo 1173 kwezingu-1 402

Blue sea dragon

Glaucus atlanticus

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

Kubuhlungu njeKubuhlungu, kodwa ngeke kukulimaze kakhulu.

Iminenke ye-cone nezingwane

UkuhlabaSidla: Inyama

Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze 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

Ihlala

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

ULwandlekazi i-Atlantic, ULwandlekazi iPacific, ULwandlekazi i-India

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

Ijubane eliphezulu

cishe 0.01 km/h (0.01 mph)

Ukubhukuda, isiqagela nje

Sidlani?

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

Isithombe sika-Blue sea dragon — Blue sea dragon. Isithombe: Sylke Rohrlach. CC BY-SA 4.0, iNaturalist.

Indlela yokusibona

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

Ivamise ukudidaniswa ne: 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 obuthi

Ukuhlaba

Ubuthi buphuma ngodosi.

Ubuthi baso benzani?

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: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze 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

Senzani uma sesabile?

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

Uma sihlaba

Ukubopha ngokucindezela nokuvimba ukunyakaza (pressure immobilisation): bopha ibhandeshi elinwebekayo eliqinile phezu kwenxeba bese ukhuphuka nesitho sonke, usiqinise nge-splint, futhi ugcine umuntu engashukumi nhlobo kuze kufike usizo.
Ingwane enezindandatho eziluhlaza okwesibhakabhaka noma umnenke we-cone ungamenza umuntu ayeke ukuphefumula esaphapheme: biza usizo futhi ulungele ukumphefumulela (rescue breaths) kuze kufike i-ambulensi ithathe izintambo.

Njalo shayela kuqala inombolo yezimo eziphuthumayo (112, 000, 911). Lokhu kuyiseluleko sosizo lokuqala esijwayelekile, akusona iseluleko sezokwelapha. Izisekelo zosizo lokuqala

Hlala uphephile

Ungalokothi uthinte, ubambe noma ugcone isilwane sasendle, ngisho noma sincane, futhi ngisho noma sibukeka silele noma sifile.
Sinike isikhala. Uma uhlangana naso, hlala uzolile, uhlehle kancane bese usiyeka sihambe ngendlela yaso.
Uma sikuhlaba: hlala uzolile, ungashukumi, shayela inombolo yezimo eziphuthumayo (112, 000, 911) noma uye esibhedlela ngokushesha. Khumbula ukuthi besibukeka kanjani, isithombe siyasiza.

Asikuzingeli wena. Sisebenzisa ubuthi baso ukuze sibambe ukudla noma ukuzivikela, futhi singancamela ukucasha. Okwengeziwe mayelana nokuhlala uphephile

Kuphi emhlabeni?

I-Afrika I-Asia I-Yurophu INyakatho Melika INingizimu Melika I-Australia ne-Oceania ULwandlekazi iPacific ULwandlekazi i-Atlantic ULwandlekazi i-India

Sikhulu kangakanani?

Side kangakanani?

side cishe njengesibophi sephephasihamba kancane kunomnenke wasengadini

Blue sea dragon mkhulu kangakanani uma uqhathanisa NAWE?

Yizibalo nje kusiphequluli sakho. Akukho okulondolozwayo noma okuthunyelwa ndawo.

Sishesha kangakanani?

Ihhashi lasolwandle cishe 0.0015 km/h (0 mph)

Blue sea dragon cishe 0.01 km/h (0.01 mph)

Umnenke wasengadini cishe 0.05 km/h (0.03 mph)

kuhle ukwazi

Amaqiniso

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

Okongoti bobuthi

Igama lesayensi: Glaucus atlanticus
Iqembu: Iminenke ye-cone nezingwane
Umndeni: Glaucidae2
Ukuhleleka: Nudibranchia
Amazwekazi: ULwandlekazi i-Atlantic, ULwandlekazi iPacific, ULwandlekazi i-India, Izilwandlekazi
Izinsana: After mating, both partners lay egg strings with up to 20 eggs on each string, often in wood or on carcasses.1
Isikhathi sokuphila: cishe iminyaka engu-11
Ingozi ebantwini: 2 / 5: Kubuhlungu3

Lapho amaqiniso evela khona

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