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Spotted jelly

Mastigias papua
NunprivlusNunprivlus per umans. Nagut da far quitads.
Medusas ed autras creaturas da mar che piztgan Tentaclas che piztganMangia: Charn
Privel per umans: LevSco ina piztgada d'avieul u main. Practicamain nunprivlus per umans.

The spotted jelly is a jellyfish with spots on the top of its bell, the rounded body. It lives in the warm Indo-Pacific oceans, and in some saltwater lakes in Palau and Indonesia. Its lake populations are famous because they have lost most of their sting.1

Viva en
Indo-Pacific oceans, from the Fijian archipelago to the western Indian Ocean, and from Japan to Australia1
Ocean Pacific, Ocean Indic, Mar da Coral, Mar da las Filippinas, Mar da Timor e d'Arafura
Pagina iniziala
Lives in the open ocean across the Indo-Pacific, and in marine lakes, which are saltwater lakes cut off from the sea. Some Palau populations gather in huge groups called smacks, which are tourist attractions. The best-known spot is Ongeim'l Tketau Lake in Palau, also called Jellyfish Lake.1
Lunghezza
10 cm fin 30 cm (3,9 in fin 1 ft)1
Sveltezza maximala
circa 0,54 km/h (0,34 mph)
Nudar, stima approximativa
Tge mangia el?
Feeds on zooplankton and other tiny organisms, which it catches with its stinging cells. It also gets much of its nutrition from photosynthetic algae called zooxanthellae that live inside its tissues.1
Propi!Foto da Spotted jelly
Spotted jelly. Foto: Thibaud Aronson. CC BY-SA 4.0, iNaturalist.

Co renconuscher el

  • Distinctive spots on the top of the bell1
  • Colour ranges from greenish blue to olive green, from the algae living in its tissues1
  • Eight rhopalia (sensory organs) along the edge of the bell1
  • Eight frilled oral arms, each ending in a club-like appendage1
  • Numerous small mouths along the bottom of the oral arms, unlike many other jellies1

Forza dal tissi

Tentaclas che piztgan

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

Tge fa ses tissi?

The venom is protein-based and is delivered by stinging cells called nematocytes (cnidocytes) on the upper surfaces of the oral arms. In jellyfish living in marine lakes, conditions in the lake are thought to break down this venom, so those populations do not sting humans.1

Quant privlus è el per umans?

Privel per umans: LevSco ina piztgada d'avieul u main. Practicamain nunprivlus per umans.

Jellyfish in the open ocean have stinging cells on their oral arms. Populations in marine lakes, such as Jellyfish Lake in Palau, do not sting humans.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 PacificOcean IndicMar da CoralMar da las FilippinasMar da Timor e d'Arafura

Quant grond è el?

Quant lung è el?

Spotted jelly circa 30 cm lung (1 ft)Ina banana circa 18 cm (7,1 in)In giat da chasa circa 50 cm (1,6 ft)
uschè lung sco 9 bluccs da construcziun in suenter l'auter

Quant grond è Spotted jelly cumpareglià cun TAI?

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

Quant svelt è el?

bun da savair

Fatgs

1

Lake populations of spotted jellies have lost most of their ability to sting, probably after being cut off in marine lakes long ago.1

2

Each day, spotted jellies rise to the surface and follow the sun from east to west, so their algae can photosynthesise.1

3

Lake jellyfish are over three times wider than ocean ones, yet their tentacles are about the same length.1

4

Unlike many jellies, spotted jellies have several small mouths along their oral arms.1

5

A sea anemone called Entacmaea medusivora preys on spotted jellies, catching them in its tentacles.1

6

At night they stay lower in the water column.1

Destructur da mits

Mit: All spotted jellies sting people.

Vardad: Ocean populations have stinging cells, but the jellyfish in marine lakes such as Jellyfish Lake in Palau do not sting humans.1

Per experts da tissi

Num scientific
Mastigias papua
Gruppa
Medusas ed autras creaturas da mar che piztgan
Famiglia
Mastigiidae2
Urden
Rhizostomeae
Continents
Ocean Pacific, Ocean Indic, Mar da Coral, Mar da las Filippinas, Mar da Timor e d'Arafura, Ils oceans
Privel per umans
1 / 5: Lev3

Da nua che vegnan ils fatgs

  1. Spotted jelly (Wikipedia (CC BY-SA 4.0))
  2. Mastigias papua (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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