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Cannonball jellyfish

Stomolophus meleagris

Izenari buruz: Its common name comes from its similarity to a cannonball in shape and size. Its scientific name means "many mouthed hunter".1

KaltegabeaKaltegabea pertsonentzat. Ez dago kezkatzeko ezer.

Marmokak eta itsasoko izaki ziztatzaileak

Tentakulu ziztatzaileakJaten du: Haragia

Arriskua pertsonentzat: ArinaErle-ziztada bat bezala edo gutxiago. Ia kaltegabea pertsonentzat.

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

Non bizi den

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

Ozeano Atlantikoa, Karibe itsasoa, Mexikoko golkoa, Kaliforniako golkoa

Hasiera

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

Luzera

25 cm (9,8 in)1

Abiadura handiena

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

Igeriketa, kalkulu gutxi gorabeherakoa

Zer jaten du?

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

Argazkia: Cannonball jellyfish — Cannonball jellyfish. Argazkia: Richard Stovall. CC BY 4.0, iNaturalist.

Nola ezagutu

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

Askotan honekin nahasten da: 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

Pozoi-ahalmena

Tentakulu ziztatzaileak

Milaka zelula ziztatzaile txikik tiro egiten dute zerbaitek ukitzen dituenean.

Zer egiten du bere pozoiak?

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

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: ArinaErle-ziztada bat bezala edo gutxiago. Ia kaltegabea pertsonentzat.

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

Zer egiten du beldurtzen denean?

When disturbed, they release a toxic mucus from their nematocysts, which harms small fish nearby and drives away most predators.1

Ziztatzen badu

Atera uretatik eta kendu tentakuluak (eskularruekin edo oihal batekin).
Kubomedusa tropikalak: bota ozpina ziztadetan gutxienez 30 segundoz, eskatu laguntza eta egon prest BBS (bihotz-biriketako suspertzea) egiteko. Fisaliak eta beste gehienak: garbitu itsasoko urarekin, eta gero ur beroarekin minerako.

Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak

Egon seguru

Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
Batek ziztatzen bazaitu: egon lasai, egon geldi, deitu zure larrialdi-zenbakira (112, 000, 911) edo joan ospitalera azkar. Gogoratu nolakoa zen, argazki batek laguntzen du.

Ez dabil zure atzetik. Pozoia janaria harrapatzeko edo bere burua babesteko erabiltzen du, eta askoz nahiago du ezkutatu. Seguru egoteari buruz gehiago

Munduko zein tokitan?

Afrika Asia Europa Ipar Amerika Hego Amerika Australia eta Ozeania Ozeano Atlantikoa Karibe itsasoa Mexikoko golkoa Kaliforniako golkoa

Zein handia da?

Zein luzea da?

8 eraikuntza-bloke ilaran jarrita bezain luzea

Zein handia da Cannonball jellyfish ZUREKIN alderatuta?

Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.

Zein azkarra da?

Lorategiko barraskilo bat 0,05 km/h inguru (0,03 mph)

Cannonball jellyfish 0,7 km/h inguru (0,44 mph)

Igerian ari den pertsona bat 3 km/h inguru (1,9 mph)

jakin beharrekoa

Datuak

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

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

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

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

Mito-hauslea

Mitoa: Cannonball jellyfish are dangerous to people.

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

Pozoi-adituentzat

Izen zientifikoa: Stomolophus meleagris
Taldea: Marmokak eta itsasoko izaki ziztatzaileak
Familia: Stomolophidae2
Ordena: Rhizostomeae
Kontinenteak: Ozeano Atlantikoa, Karibe itsasoa, Mexikoko golkoa, Kaliforniako golkoa, Ozeanoak
Kumeak: 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
Arriskua pertsonentzat: 1 / 5: Arina3

Datuak nondik datozen

Cannonball jellyfish (Wikipedia (CC BY-SA 4.0))
Stomolophus meleagris (iNaturalist): izenak eta sailkapena.
Venom Wiki: arrisku-maila, ohiko tamaina eta abiadura-kalkulua geureak dira. Ikusi nola kalkulatzen ditugun: Nola baloratzen dugun arriskua.

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