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Katuni ya Cannonball jellyfish
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Cannonball jellyfish

Stomolophus meleagris
Kuhusu jina: Its common name comes from its similarity to a cannonball in shape and size. Its scientific name means "many mouthed hunter".1
Hana madharaHana madhara kwa watu. Hakuna cha kuhofia.
Yavuyavu na wadungaji wa baharini Mikono inayodungaHula: Nyama
Hatari kwa watu: HafifuKama kudungwa na nyuki au chini ya hapo. Kimsingi hana madhara kwa watu.

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

Anaishi
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
Bahari ya Atlantiki, Bahari ya Karibi, Ghuba ya Meksiko, Ghuba ya California
Nyumbani
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
Urefu
25 cm (9.8 in)1
Kasi ya juu
takriban km 0.7 kwa saa (maili 0.44 kwa saa)
Kuogelea, makadirio
Hula nini?
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
Kweli kabisa!Picha ya Cannonball jellyfish
Cannonball jellyfish. Picha: Richard Stovall. CC BY 4.0, iNaturalist.

Jinsi ya kumtambua

  • 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

Mara nyingi huchanganywa na: 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

Nguvu ya sumu

Mikono inayodunga

Maelfu ya seli ndogo za kudunga hufyatuka kitu kikizigusa.

Sumu yake hufanya nini?

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

Ana hatari gani kwa watu?

Hatari kwa watu: HafifuKama kudungwa na nyuki au chini ya hapo. Kimsingi hana madhara kwa watu.

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

Hufanya nini akiogopa?

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

Akidunga

  • Toka majini na uondoe vipande vya mikono iliyonata (kwa glavu au kitambaa).
  • Kwa yavuyavu sanduku wa kitropiki: mimina siki kwenye sehemu zilizodungwa kwa angalau sekunde 30, omba msaada na uwe tayari kufanya CPR. Kwa mabotoli ya bluu na wengine wengi: suuza kwa maji ya bahari, kisha maji ya moto kupunguza maumivu.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

  • Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
  • Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
  • Akikudunga: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Wapi duniani?

AfrikaAsiaUlayaAmerika KaskaziniAmerika KusiniAustralia na OceaniaBahari ya AtlantikiBahari ya KaribiGhuba ya MeksikoGhuba ya California

Ana ukubwa gani?

Ana urefu gani?

Cannonball jellyfish urefu wa takriban 25 cm (9.8 in)Ndizi takriban 18 cm (7.1 in)Paka wa nyumbani takriban 50 cm (1.6 ft)
urefu sawa na matofali 8 ya kuchezea yaliyopangwa mstari

Cannonball jellyfish ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

inafaa kujua

Ukweli

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

Kuvunja dhana potofu

Dhana potofu: Cannonball jellyfish are dangerous to people.

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

Kwa wataalamu wa sumu

Jina la kisayansi
Stomolophus meleagris
Kundi
Yavuyavu na wadungaji wa baharini
Familia
Stomolophidae2
Mpangilio
Rhizostomeae
Mabara
Bahari ya Atlantiki, Bahari ya Karibi, Ghuba ya Meksiko, Ghuba ya California, Bahari kuu
Watoto
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
Hatari kwa watu
1 / 5: Hafifu3

Ukweli unatoka wapi

  1. Cannonball jellyfish (Wikipedia (CC BY-SA 4.0))
  2. Stomolophus meleagris (iNaturalist): majina na uainishaji.
  3. Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

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