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Igishushanyo cya Black sea nettle
No. 1097 kuri 1 402

Black sea nettle

Chrysaora achlyos
Ibyerekeye izina: Chrysaora comes from Chrysaor, a figure in Greek mythology, and means "he who has a golden sword". The species name comes from a Greek word meaning mist, darkness or obscurity, which refers to its colour and how rarely it is seen.1
Irababaza gusaNtukayikorehoIrababaza, ariko ntizakugirira nabi bikomeye.
Jellyfish n'izindi nyamaswa zo mu nyanja zitera urubori Imirya itera uruboriIrya: Inyama
Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

The black sea nettle is a large jellyfish with a dark purple to nearly black bell. It lives in the Pacific Ocean off western North America, and it is rare to see except in big swarms that appear in some years. Its stinging tentacles can cause a painful sting to people.1

Iba muri
Pacific Ocean off western North America, from Monterey Bay south to southern Baja California and Mexico; sightings reported as far north as British Columbia1
Inyanja ya Atalantika, Inyanja ya Mediterane
Ahabanza
It lives in nearshore waters and is occasionally seen in surface waters, sometimes in very large swarms. Swarms have been recorded off Baja California and southern California.1
Uburebure
1 m (3,3 ft)1
Umuvuduko wo hejuru
hafi 1,9 km/h (1,2 mph)
Koga, ikigereranyo cy'ugereranyije
Irya iki?
It feeds mainly on zooplankton and other jellyfish. It uses its stinging tentacles to immobilise its prey and capture it.1
Koko!Ifoto ya Black sea nettle
Black sea nettle. Ifoto: Port of San Diego. CC BY 4.0, iNaturalist.

Uko wayimenya

  • The bell is an opaque dark purple to nearly black colour.1
  • The edge of the bell has a lighter brown, net-like (reticulated) pattern.1
  • The bell can reach about 1 metre across, and the oral arms can extend 5 or 6 metres.1
  • There are marginal sense organs around the bell edge, one after every set of 3 tentacles, 8 in total.1

Ikunze kwitiranywa na: No other West Coast jelly that visits nearshore waters has this dark pigmentation, so the very dark colour is the main way to tell it apart.1

Imbaraga z'ubumara

Imirya itera urubori

Uturemangingo duto cyane ibihumbi dutera urubori turasa iyo hari ikidukozeho.

Ubumara bwayo bukora iki?

Each tentacle is covered in thousands of microscopic stinging cells called nematocysts. When touched, they fire a filament that injects toxins, which can kill smaller prey or stun predators. In people, the sting is usually not lethal but is painful and can last for forty minutes.1

Iteje akaga kangana iki ku bantu?

Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

The sting is usually not lethal to people, but it is painful and can last for about forty minutes.1

Ikora iki iyo ifite ubwoba?

Its stinging tentacles fire venom-filled filaments on contact, which stun or deter anything that threatens it.1

Niba itera urubori

  • Sohoka mu mazi kandi ukureho imirya yayo (tentacles) yose ukoresheje uturindantoki cyangwa igitambaro.
  • Ku box jellyfish zo mu turere dushyuha: suka vinegere aho zateye urubori nibura amasegonda 30, hamagara ubutabazi kandi witegure gukora CPR (gukanda igituza no guhumekera umuntu). Ku bluebottle no ku zindi nyinshi: oza n'amazi y'inyanja, hanyuma ukoreshe amazi ashyushye kubera ububabare.

Buri gihe banza uhamagare nimero y'ubutabazi (112, 000, 911). Izi ni inama rusange z'ubutabazi bw'ibanze, si inama za muganga. Ibanze by'ubutabazi bw'ibanze

Irinde akaga

  • Ntuzigere ukora, ufata cyangwa ushotora inyamaswa yo mu gasozi, nubwo yaba ntoya, kandi nubwo yasa n'isinziriye cyangwa yapfuye.
  • Yihe umwanya. Niba uhuye n'imwe, tuza, usubire inyuma buhoro buhoro kandi uyireke yigendere.
  • Niba imwe igutereye urubori: tuza, ntunyeganyege, hamagara nimero y'ubutabazi (112, 000, 911) cyangwa ujye ku bitaro vuba. Ibuka uko yasaga, ifoto irafasha.

Ntigushakisha ngo ikugirire nabi. Ikoresha ubumara bwayo kugira ngo ifate ibyo kurya cyangwa yirinde, kandi ikunda cyane kwihisha. Ibindi ku kwirinda

Ni hehe ku isi?

AfurikaAziyaUburayiAmerika y'AmajyaruguruAmerika y'AmajyepfoOsitaraliya na OseyaniyaInyanja ya AtalantikaInyanja ya Mediterane

Ingana gute?

Ireshya ite?

Black sea nettle ireshya hafi 1 m (3,3 ft)Imbwa hafi 1 m (3,3 ft)Umuntu mukuru hafi 1,7 m (5,6 ft)
ireshya n'injangwe zo mu rugo 2 zikurikiranye kuva ku zuru kugeza ku murizoireshya n'imineke 6 ikurikiranyeyakoga uburebure bw'ikidendezi kinini (metero 50) mu masegonda 95

Black sea nettle ingana ite ugereranyije NAWE?

Ni imibare gusa ikorerwa muri mudasobwa yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihuta gute?

bikwiye kumenywa

Ibintu by'ukuri

1

It is thought to be the largest invertebrate described in the 20th century.1

2

Its stomach is lined with fibrous vessels that attach to prey, and its mouth-like openings, called darkmaws, close when exposed to bright light.1

3

It was only officially described in 1997, after large groups were found on the Pacific coast.1

4

Its swarms seem to coincide with red tides, which are blooms of the zooplankton it feeds on.1

Ku bahanga mu by'ubumara

Izina rya siyansi
Chrysaora achlyos
Itsinda
Jellyfish n'izindi nyamaswa zo mu nyanja zitera urubori
Umuryango
Pelagiidae2
Itsinda rinini (order)
Semaeostomeae
Imigabane
Inyanja ya Atalantika, Inyanja ya Mediterane, Inyanja ngari
Akaga ku bantu
2 / 5: Irababaza3

Aho ibintu bivugwa bituruka

  1. Chrysaora achlyos (Wikipedia (CC BY-SA 4.0))
  2. Chrysaora achlyos (iNaturalist): amazina n'ibyiciro.
  3. Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.

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