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Cannonball jellyfish

Stomolophus meleagris
Davart il num: Its common name comes from its similarity to a cannonball in shape and size. Its scientific name means "many mouthed hunter".1
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 cannonball jellyfish is a round, dome-shaped jellyfish that looks a bit like a cannonball. It lives in warm coastal waters on both sides of the Americas and in parts of Asia, and it is common in shallow water near the coast. It matters because it is one of the most common causes of minor jellyfish stings in US and Caribbean waters.1

Viva en
Southeastern US coast and Gulf of Mexico, Atlantic from New England to Brazil, Pacific from California to Ecuador, and from the Sea of Japan to the South China Sea1
Ocean Atlantic, Mar Caribic, Golf dal Mexico, Golf da California
Pagina iniziala
They live in shallow inshore waters. On the southeast coast of the United States they are extremely abundant in the summer and fall, when they make up over 16% of the biomass in shallow inshore areas. This is when people are most likely to meet them while swimming.1
Lunghezza
25 cm (9,8 in)1
Sveltezza maximala
circa 0,7 km/h (0,44 mph)
Nudar, stima approximativa
Tge mangia el?
They mainly eat zooplankton, such as veligers, and also all forms of red drum larvae. They catch prey with their oral arms, which also help them move.1
Propi!Foto da Cannonball jellyfish
Cannonball jellyfish. Foto: Richard Stovall. CC BY 4.0, iNaturalist.

Co renconuscher el

  • Dome-shaped bell that can reach 25 cm in diameter1
  • The rim of the bell is often coloured with brown pigment1
  • A cluster of oral arms under the body, extending out around the mouth1
  • Some related species found in the Pacific and South Atlantic are pale to blue in colour1

Savens confundì cun: Several undescribed Stomolophus species in the Pacific and South Atlantic have pale to blue pigment. They are genetically different from the cannonball jellyfish of the North Atlantic, but they are often misidentified as that species.1

Forza dal tissi

Tentaclas che piztgan

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

Tge fa ses tissi?

They release a mucus from their nematocysts (stinging cells) that contains a toxin when disturbed. The toxin can cause irregular heart rhythms and problems in the heart's conduction pathways, although this is not common in people. Contact with the nematocysts can be very painful and may cause redness and swelling, and the toxin is also harmful to the eyes.1

Quant privlus è el per umans?

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

Cannonball jellyfish are mostly harmless to people. Contact usually causes slight itching or minor eye irritation. They are among the most common causes of minor stings in US and Caribbean waters. Their toxin can cause heart problems in animals and humans, but this does not usually happen.1

Tge fa el, cura ch'el ha tema?

When disturbed, they release a toxic mucus from their nematocysts, which harms small fish nearby and drives away most 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 CaribicGolf dal MexicoGolf da California

Quant grond è el?

Quant lung è el?

Cannonball 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 Cannonball jellyfish cumpareglià cun TAI?

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

Quant svelt è el?

bun da savair

Fatgs

1

Juvenile portly spider crabs often live in the bell, eating some of the food the jellyfish catches. The jellyfish is not harmed because it can regenerate its tissue. One jellyfish has been seen with up to ten crabs in its bell.1

2

Jellyfish are commercially harvested as food. In Georgia, jellyball fishing is the state's third largest commercial fishery.1

3

The endangered leatherback sea turtle is one of their main predators.1

4

In 2012, El Golfo de Santa Clara in Mexico harvested 20,000 tons of these jellyfish from late April to early July.1

Destructur da mits

Mit: Cannonball jellyfish are dangerous to people.

Vardad: They are mostly harmless to people. Contact usually causes only slight itching or minor eye irritation.1

Per experts da tissi

Num scientific
Stomolophus meleagris
Gruppa
Medusas ed autras creaturas da mar che piztgan
Famiglia
Stomolophidae2
Urden
Rhizostomeae
Continents
Ocean Atlantic, Mar Caribic, Golf dal Mexico, Golf da California, Ils oceans
Poppins
They can reproduce sexually or asexually. Sexual reproduction happens when a cannonball shoots sperm from its mouth and another cannonball catches it. The embryos develop in pouches on the oral arms, then the larvae settle on hard surfaces and grow into polyps.1
Privel per umans
1 / 5: Lev3

Da nua che vegnan ils fatgs

  1. Cannonball jellyfish (Wikipedia (CC BY-SA 4.0))
  2. Stomolophus meleagris (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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