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Cannonball jellyfish

Stomolophus meleagris

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

OnskadelikOnskadelik vir mense. Niks om oor bekommerd te wees nie.

Jellievisse & see-steekdiere

SteektentakelsEet: Vleis

Gevaar vir mense: LigSoos 'n bysteek of minder. Basies onskadelik vir mense.

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

Leef in

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

Atlantiese Oseaan, Karibiese See, Golf van Meksiko, Golf van Kalifornië

Tuis

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

Lengte

25 cm (9,8 in)1

Topspoed

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

Swem, rowwe skatting

Wat eet dit?

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

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

Hoe om dit te herken

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

Word dikwels verwar met: 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

Gifkrag

Steektentakels

Duisende piepklein steekselle skiet af wanneer iets aan hulle raak.

Wat doen sy gif as dit byt of steek?

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

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: LigSoos 'n bysteek of minder. Basies onskadelik vir mense.

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

Wat doen dit as dit bang is?

When disturbed, they release a toxic mucus from their nematocysts, which harms small fish nearby and drives away most 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 Karibiese See Golf van Meksiko Golf van Kalifornië

Hoe groot is dit?

Hoe lank is dit?

so lank soos 8 speelgoed-boublokke in 'n ry

Hoe groot is Cannonball 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)

Cannonball 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

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

Mite-breker

Mite: Cannonball jellyfish are dangerous to people.

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

Vir gifkenners

Wetenskaplike naam: Stomolophus meleagris
Groep: Jellievisse & see-steekdiere
Familie: Stomolophidae2
Orde: Rhizostomeae
Kontinente: Atlantiese Oseaan, Karibiese See, Golf van Meksiko, Golf van Kalifornië, Die oseane
Babas: 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
Gevaar vir mense: 1 / 5: Lig3

Waar die feite vandaan kom

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