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Cannonball jellyfish

Stomolophus meleagris

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

BezopasnoBezopasno za ljude. Nema razloga za brigu.

Meduze i morski žarnjaci

Krakovi koji žareJede: Meso

Opasnost za ljude: BlagoKao ubod pčele ili slabije. Uglavnom bezopasno za ljude.

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

Živi u

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

Atlantski ocean, Karipsko more, Meksički zaljev, Kalifornijski zaljev

Početna

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

Duljina

25 cm (9,8 in)1

Najveća brzina

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

Plivanje, gruba procjena

Što jede?

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

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

Kako ga prepoznati

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

Često se miješa s: 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

Otrovna snaga

Krakovi koji žare

Tisuće sićušnih žarnih stanica okidaju se kad ih nešto dotakne.

Što radi njegov otrov kad ugrize ili ubode?

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

Koliko je opasno za ljude?

Opasnost za ljude: BlagoKao ubod pčele ili slabije. Uglavnom bezopasno za ljude.

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

Što radi kad se uplaši?

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

Ako ubode

Izađi iz vode i skini preostale krakove (rukavicama ili krpom).
Kod tropskih kubomeduza: prelij ubode octom najmanje 30 sekundi, pozovi pomoć i budi spreman započeti KPR (oživljavanje). Kod portugalske galije i većine drugih: isperi morskom vodom, a zatim stavi vruću vodu protiv boli.

Uvijek prvo nazovi broj za hitne slučajeve (112, 000, 911). Ovo su opće upute za prvu pomoć, a ne liječnički savjet. Osnove prve pomoći

Ostani na sigurnom

Nikad ne diraj, ne hvataj i ne zadirkuj divlju životinju, čak ni malu, i čak ni ako izgleda kao da spava ili je mrtva.
Ostavi joj prostora. Ako je sretneš, ne paniči, polako se odmakni i pusti je da ode svojim putem.
Ako te neka ubode: ne paniči, miruj, nazovi broj za hitne slučajeve (112, 000, 911) ili brzo idi u bolnicu. Zapamti kako je izgledala, fotografija pomaže.

Ne želi ti ništa loše. Otrov koristi za lov hrane ili za obranu i mnogo bi se radije sakrilo. Više o sigurnosti

Gdje u svijetu?

Afrika Azija Europa Sjeverna Amerika Južna Amerika Australija i Oceanija Atlantski ocean Karipsko more Meksički zaljev Kalifornijski zaljev

Koliko je veliko?

Koliko je dugo?

dugo kao 8 kockica za slaganje u nizu

Koliko je Cannonball jellyfish velika životinja u usporedbi s TOBOM?

Samo matematika u tvom pregledniku. Ništa se ne sprema niti šalje nikamo.

Koliko je brzo?

Vrtni puž oko 0,05 km/h (0,03 mph)

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

Osoba koja pliva oko 3 km/h (1,9 mph)

vrijedi znati

Činjenice

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

Razbijač mitova

Mit: Cannonball jellyfish are dangerous to people.

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

Za stručnjake za otrove

Znanstveni naziv: Stomolophus meleagris
Skupina: Meduze i morski žarnjaci
Obitelj: Stomolophidae2
Redoslijed: Rhizostomeae
Kontinenti: Atlantski ocean, Karipsko more, Meksički zaljev, Kalifornijski zaljev, Oceani
Mladunci: 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
Opasnost za ljude: 1 / 5: Blago3

Odakle su činjenice

Cannonball jellyfish (Wikipedia (CC BY-SA 4.0))
Stomolophus meleagris (iNaturalist): imena i klasifikacija.
Venom Wiki: razina opasnosti, tipična veličina i procijenjena brzina naše su. Pogledaj kako ih izračunavamo: Kako ocjenjujemo opasnost.

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