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Compass jellyfish

Chrysaora hysoscella
Davart il num: It is named for the brown V-shaped markings on its bell, which resemble the face of a compass.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 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

Viva en
Coastal waters of the northeast Atlantic, including the Celtic, Irish, North and Mediterranean Seas1
Ocean Atlantic, Mar Mediterran, Mar dal Nord
Pagina iniziala
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
Lunghezza
15 cm fin 25 cm (5,9 in fin 9,8 in)1
Sveltezza maximala
circa 0,7 km/h (0,44 mph)
Nudar, stima approximativa
Tge mangia el?
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
Propi!Foto da Compass jellyfish
Compass jellyfish. Foto: John Hepburn. CC BY 4.0, iNaturalist.

Co renconuscher el

  • 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

Savens confundì cun: 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

Forza dal tissi

Tentaclas che piztgan

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

Tge fa ses tissi?

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

Quant privlus è el per umans?

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

Jellyfish stings are painful and sometimes deadly to humans.1

Tge fa el, cura ch'el ha tema?

Stinging cells on its tentacles are used to defend it from predators.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 MediterranMar dal Nord

Quant grond è el?

Quant lung è el?

Compass jellyfish circa 25 cm lung (9,8 in)Ina banana circa 18 cm (7,1 in)In giat da chasa circa 50 cm (1,6 ft)
uschè lung sco 8 bluccs da construcziun in suenter l'auter

Quant grond è Compass jellyfish cumpareglià cun TAI?

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

Quant svelt è el?

bun da savair

Fatgs

1

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

2

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

3

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

4

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

Destructur da mits

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

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

Per experts da tissi

Num scientific
Chrysaora hysoscella
Gruppa
Medusas ed autras creaturas da mar che piztgan
Famiglia
Pelagiidae2
Urden
Semaeostomeae
Continents
Ocean Atlantic, Mar Mediterran, Mar dal Nord, Ils oceans
Poppins
Females release planular larvae, which settle on the seabed and grow into polyps. The polyps then release young medusae.1
Privel per umans
2 / 5: Dolurus3

Da nua che vegnan ils fatgs

  1. Chrysaora hysoscella (Wikipedia (CC BY-SA 4.0))
  2. Chrysaora hysoscella (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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