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Black sea nettle

Chrysaora achlyos

Gbasara aha ya: 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

Naanị na-afụ ụfụEmetụla ya akaỌ na-afụ ụfụ, mana ọ gaghị emerụ gị ahụ nke ukwuu.

Jelifish na anụ osimiri na-agba agba

Tentacles na-agba agbaNri ya: Anụ

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

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

Ebe obibi

Pacific Ocean off western North America, from Monterey Bay south to southern Baja California and Mexico; sightings reported as far north as British Columbia1

Oké Osimiri Atlantik, Osimiri Mediterenian

Ụlọ

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

Ogologo

1 m (3.3 ft)1

Ọsọ kacha elu

ihe dị ka 1.9 km/h (1.2 mph)

Igwu mmiri, nchepụta

Gịnị ka ọ na-eri?

It feeds mainly on zooplankton and other jellyfish. It uses its stinging tentacles to immobilise its prey and capture it.1

Foto Black sea nettle — Black sea nettle. Foto: Port of San Diego. CC BY 4.0, iNaturalist.

Otú ị ga-esi mata ya

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

A na-agwakọkarị ya 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

Ike nsị

Tentacles na-agba agba

Ọtụtụ puku obere sel na-agba agba na-agbapụ mgbe ihe metụrụ ha aka.

Gịnị ka nsị ọ na-agba na-eme?

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

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

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

Gịnị ka ọ na-eme mgbe ụjọ tụrụ ya?

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

Ọ bụrụ na ọ gbaa

Pụta na mmiri, wepụkwa tentacles ya niile (jiri uwe aka ma ọ bụ akwa).
Maka box jellyfish nke ebe okpomọkụ: wụsa vinega n'ebe ọ gbara ọ dịkarịa ala sekọnd 30, kpọọ maka enyemaka, dịkwa njikere ime CPR. Maka bluebottles na ọtụtụ ndị ọzọ: jiri mmiri osimiri saa ya, wee jiri mmiri ọkụ maka mgbu ahụ.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
Ọ bụrụ na otu gbaa gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia Oké Osimiri Atlantik Osimiri Mediterenian

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

dị ogologo dị ka nwamba ụlọ 2 site n'imi ruo n'ọdụdị ogologo dị ka unere 6 a tọgbọrọ n'ahịrịnwere ike igwu mmiri ogologo nnukwu ọdọ igwu mmiri (50 m) n'ime sekọnd 95

Kedu otú Black sea nettle si hà ma e jiri ya tụnyere GỊ?

Naanị mgbakọ na mwepụ n'ime browser gị. Ọ dịghị ihe echekwara ma ọ bụ ezigara ebe ọ bụla.

Kedu otú o si agba ọsọ?

Ejula ubi ihe dị ka 0.05 km/h (0.03 mph)

Black sea nettle ihe dị ka 1.9 km/h (1.2 mph)

Mmadụ na-egwu mmiri ihe dị ka 3 km/h (1.9 mph)

ọ dị mma ịmara

Eziokwu

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

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

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

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

Maka ndị ọkachamara nsị

Aha sayensị: Chrysaora achlyos
Otu: Jelifish na anụ osimiri na-agba agba
Ezinụlọ: Pelagiidae2
Usoro: Semaeostomeae
Kọntinent dị iche iche: Oké Osimiri Atlantik, Osimiri Mediterenian, Oké osimiri niile
Ihe ize ndụ nye mmadụ: 2 / 5: Na-afụ ụfụ3

Ebe eziokwu ndị a si

Chrysaora achlyos (Wikipedia (CC BY-SA 4.0))
Chrysaora achlyos (iNaturalist): aha na nhazi ọkwa.
Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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