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Black sea nettle

Chrysaora achlyos
Davart il num: 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
Fa mo malBetg tutgarQuai fa mal, ma i na ta fa nagin donn serius.
Medusas ed autras creaturas da mar che piztgan Tentaclas che piztganMangia: Charn
Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Viva en
Pacific Ocean off western North America, from Monterey Bay south to southern Baja California and Mexico; sightings reported as far north as British Columbia1
Ocean Atlantic, Mar Mediterran
Pagina iniziala
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
Lunghezza
1 m (3,3 ft)1
Sveltezza maximala
circa 1,9 km/h (1,2 mph)
Nudar, stima approximativa
Tge mangia el?
It feeds mainly on zooplankton and other jellyfish. It uses its stinging tentacles to immobilise its prey and capture it.1
Propi!Foto da Black sea nettle
Black sea nettle. Foto: Port of San Diego. CC BY 4.0, iNaturalist.

Co renconuscher el

  • 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

Savens confundì cun: 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

Forza dal tissi

Tentaclas che piztgan

Millis da pitschnas cellas urticantas sajettan, cura ch'insatge las tutga.

Tge fa ses tissi?

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

Quant privlus è el per umans?

Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

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

Tge fa el, cura ch'el ha tema?

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

Sch'el piztga

  • Va or da l'aua e prenda davent las tentaclas (cun manetschas u cun in tschop).
  • Tar medusas cubicas tropicalas: versa aschieu sin las piztgadas durant almain 30 secundas, clama agid e sajas pront da far ina reanimaziun. Tar galeras portugaisas e las bleras autras: lava cun aua da mar, lura cun aua chauda cunter las dolurs.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sch'in tal animal ta piztga: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Nua sin il mund?

AfricaAsiaEuropaAmerica dal NordAmerica dal SidAustralia ed OceaniaOcean AtlanticMar Mediterran

Quant grond è el?

Quant lung è el?

Black sea nettle circa 1 m lung (3,3 ft)In chaun circa 1 m (3,3 ft)In creschì circa 1,7 m (5,6 ft)
uschè lung sco 2 giats da chasa dal nas fin a la cuauschè lung sco 6 bananas ina suenter l'autrapudess nudar la lunghezza d'in grond bassin (50 m) en 95 secundas

Quant grond è Black sea nettle cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

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

Per experts da tissi

Num scientific
Chrysaora achlyos
Gruppa
Medusas ed autras creaturas da mar che piztgan
Famiglia
Pelagiidae2
Urden
Semaeostomeae
Continents
Ocean Atlantic, Mar Mediterran, Ils oceans
Privel per umans
2 / 5: Dolurus3

Da nua che vegnan ils fatgs

  1. Chrysaora achlyos (Wikipedia (CC BY-SA 4.0))
  2. Chrysaora achlyos (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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