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Compass jellyfish

Chrysaora hysoscella

Oor die naam: It is named for the brown V-shaped markings on its bell, which resemble the face of a compass.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 compass jellyfish is a common jellyfish that lives in cool coastal seas of the northeast Atlantic, including the North Sea and the Mediterranean. Its bell has a pattern that looks like the face of a compass, which gives it its name. Its tentacles carry stinging cells, so it is best left alone.1

Leef in

Coastal waters of the northeast Atlantic, including the Celtic, Irish, North and Mediterranean Seas1

Atlantiese Oseaan, Middellandse See, Noordsee

Tuis

It lives in shallow coastal water and moves up and down the water column, mostly near the surface and down to just above the seabed. It is rarely found deeper than 30 m.1

Lengte

15 cm tot 25 cm (5,9 in tot 9,8 in)1

Topspoed

omtrent 0,7 km/h (0,44 mph)

Swem, rowwe skatting

Wat eet dit?

It eats other marine invertebrates and plankton, including dinoflagellates, copepods, crustacean eggs, larval fish and chaetognaths. It stuns and catches prey with stinging cells on its tentacles, then its oral arms move the prey into its mouth.1

Foto van Compass jellyfish — Compass jellyfish. Foto: John Hepburn. CC BY 4.0, iNaturalist.

Hoe om dit te herken

Adults have a bell 15 to 25 cm across, usually yellowish white with some brown.1
The bell has 16 brown, elongated V-shaped markings around a central brown spot.1
It has 24 tentacles arranged in eight groups of three.1
It has four oral arms that are noticeably longer than the tentacles and look folded and frilly.1
Juveniles lack the compass pattern. They look white and polka-dotted, with a reddish fringe on the bell edge.1

Word dikwels verwar met: Records of this species from the southeastern Atlantic, including South Africa, were caused by confusion with close relatives: C. africana, C. fulgida and an undescribed species tentatively called "C. agulhensis".1

Gifkrag

Steektentakels

Duisende piepklein steekselle skiet af wanneer iets aan hulle raak.

Wat doen sy gif as dit byt of steek?

Each tentacle has stinging cells used to capture prey and to defend against predators. Jellyfish stings are painful and can be deadly to humans.1

Hoe gevaarlik is dit vir mense?

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

Jellyfish stings are painful and sometimes deadly to humans.1

Wat doen dit as dit bang is?

Stinging cells on its tentacles are used to defend it from predators.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 Atlantiese Oseaan Middellandse See Noordsee

Hoe groot is dit?

Hoe lank is dit?

so lank soos 8 speelgoed-boublokke in 'n ry

Hoe groot is Compass jellyfish 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)

Compass jellyfish omtrent 0,7 km/h (0,44 mph)

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

die moeite werd om te weet

Feite

Males release sperm from their mouths into the water, and females can fertilise sperm from several males.1

Adults often carry a parasite called Hyperia medusarum, which settles inside the body, especially the gonads.1

Compass jellyfish have very few predators. Leatherback sea turtles and ocean sunfish are known to eat them.1

Warmer winters allow longer release periods for young, and the species is predicted to move further north as the seas warm.1

Mite-breker

Mite: Compass jellyfish live in the southeastern Atlantic, including South Africa.

Waarheid: Earlier records from there were due to confusion with close relatives. The species lives in the northeast Atlantic.1

Vir gifkenners

Wetenskaplike naam: Chrysaora hysoscella
Groep: Jellievisse & see-steekdiere
Familie: Pelagiidae2
Orde: Semaeostomeae
Kontinente: Atlantiese Oseaan, Middellandse See, Noordsee, Die oseane
Babas: Females release planular larvae, which settle on the seabed and grow into polyps. The polyps then release young medusae.1
Gevaar vir mense: 2 / 5: Pynlik3

Waar die feite vandaan kom

Chrysaora hysoscella (Wikipedia (CC BY-SA 4.0))
Chrysaora hysoscella (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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