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Pacific sea nettle

Chrysaora fuscescens

Oor die naam: The name 'nettle' refers to its sting, which is like that of the stinging nettle plant. Its genus name, Chrysaora, is Greek for 'he who has a golden armament', after the golden colour of its bell.1

Maak net seerMoenie aanraak nieDit maak seer, maar dit sal jou nie ernstig skade doen nie.

Jellievisse & see-steekdiere

SteektentakelsEet: Vleis

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

The Pacific sea nettle is a large jellyfish with a golden-brown bell and long, trailing tentacles. It lives in the cool and temperate coastal waters of the northeastern Pacific Ocean, from southern British Columbia down to Mexico. Its sting is irritating, but it is rarely dangerous to people.1

Leef in

Northeastern Pacific Ocean, from southern British Columbia and the US West Coast south to Baja California Sur, Mexico1

Stille Oseaan

Tuis

It lives in temperate to cooler coastal waters. Its numbers peak in late summer, and it has become very abundant off the coast of Oregon. Dense swarms can clog fishing nets and water intakes.1

Lengte

1 m (3,3 ft)1

Topspoed

omtrent 0,9 km/h (0,56 mph)

Swem, rowwe skatting

Wat eet dit?

It drift-feeds, hanging its stinging tentacles in the water like a large net to catch prey as it floats past. It eats zooplankton, crustaceans, salps, pelagic snails, small fish, fish eggs and larvae, and other jellyfish.1

Foto van Pacific sea nettle — Pacific sea nettle. Foto: Ed Bierman. CC BY 4.0, iNaturalist.

Hoe om dit te herken

Golden-brown bell with a reddish tint1
Bell usually less than 50 cm across1
Long, spiralling whitish oral arms1
24 undulating maroon tentacles that can trail up to 4.6 m behind it1

Gifkrag

Steektentakels

Duisende piepklein steekselle skiet af wanneer iets aan hulle raak.

Wat doen sy gif as dit byt of steek?

When prey touches the tentacles, thousands of stinging cells (nematocysts) fire barbed stingers that inject venom. The venom contains proteins, including proteases and pore-forming toxins, which can disrupt cell membranes and tissues. The venom is effective against prey and humans, but is typically not lethal to people.1

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

Its sting is often irritating and possibly mildly painful to people, but it is rarely dangerous. It is typically nonlethal to humans.1

Wat doen dit as dit bang is?

Its stinging tentacles are its main defence, although some animals, such as leatherback turtles, are not bothered by the sting.1

As dit steek

Klim uit die water en pluk enige tentakels af (met handskoene of 'n lap).
Vir tropiese kubuskwalle: gooi vir minstens 30 sekondes asyn oor die steke, roep hulp en wees gereed om KPR te doen. Vir bloublasies en die meeste ander: spoel af met seewater, dan warm water vir die pyn.

Bel altyd eers jou noodnommer (112, 000, 911). Dit is algemene noodhulpraad, nie mediese advies nie. Noodhulp-basiese beginsels

Bly veilig

Moet nooit aan 'n wilde dier raak, dit vang of terg nie, selfs nie 'n kleintjie nie, en selfs nie as dit lyk of dit slaap of dood is nie.
Gee dit spasie. As jy een raakloop, bly kalm, stap stadig terug en laat dit sy eie pad gaan.
As een jou steek: bly kalm, bly stil, bel jou noodnommer (112, 000, 911) of kom vinnig by 'n hospitaal uit. Onthou hoe dit gelyk het, 'n foto help.

Dit is nie uit om jou te kry nie. Dit gebruik sy gif om kos te vang of om homself te beskerm, en kruip baie eerder weg. Meer oor veilig bly

Waar in die wêreld?

Afrika Asië Europa Noord-Amerika Suid-Amerika Australië & Oseanië Stille Oseaan

Hoe groot is dit?

Hoe lank is dit?

so lank soos 2 huiskatte neus tot stertso lank soos 6 piesangs punt aan punt

Hoe groot is Pacific sea nettle in vergelyking met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of enige plek heen gestuur nie.

Hoe vinnig is dit?

'n Tuinslak omtrent 0,05 km/h (0,03 mph)

Pacific sea nettle omtrent 0,9 km/h (0,56 mph)

'n Mens wat swem omtrent 3 km/h (1,9 mph)

die moeite werd om te weet

Feite

Small fish and crabs sometimes hide inside its bell, where they may feed on it.1

It uses light-sensing organs called ocelli to migrate from deep water up to the surface.1

It swims by jet propulsion, squeezing its bell to push water out, though it mostly floats.1

Its population may be growing because of nutrient pollution from human sources, which feeds algal blooms and the wider food chain.1

It is kept in many aquariums because of its bright colours and very long tentacles, and it is low-maintenance in captivity.1

Vir gifkenners

Wetenskaplike naam: Chrysaora fuscescens
Groep: Jellievisse & see-steekdiere
Familie: Pelagiidae2
Orde: Semaeostomeae
Kontinente: Stille Oseaan, Die oseane
Babas: Females hold fertilised eggs on their oral arms, where they grow into free-swimming larvae. The larvae settle, become polyps, and bud new polyps before developing into jellyfish. No number is given.1
Gevaar vir mense: 2 / 5: Pynlik3

Waar die feite vandaan kom

Chrysaora fuscescens (Wikipedia (CC BY-SA 4.0))
Chrysaora fuscescens (iNaturalist): name en klassifikasie.
Venom Wiki: die gevaarvlak, die tipiese grootte en die spoedskatting is ons eie. Kyk hoe ons dit uitwerk: Hoe ons gevaar gradeer.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dierfanatici, nie 'n wetenskaplike joernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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