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Thimble jellyfish

Linuche unguiculata

Maak net seerMoenie aanraak nieDit maak seer, maar dit sal jou nie ernstig skade doen nie.

Jellievisse & see-steekdiere

SteektentakelsEet: Vleis

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

The thimble jellyfish is a tiny jellyfish with a flat top and straight sides, shaped a bit like a thimble. It lives in warm waters of the western Atlantic Ocean, including the Caribbean. It matters because it is the most common cause of seabather's eruption, an itchy skin rash that swimmers can get from its larvae.1

Leef in

Tropical and subtropical western Atlantic Ocean, especially around the West Indies and the Bahamas1

Atlantiese Oseaan, Karibiese See, Golf van Meksiko

Tuis

It is usually found in warm surface waters, where it forms swarms. It has also been found at depths down to about 5,000 m. Swimmers in the Caribbean, the Gulf of Mexico and Florida may meet its larvae in the water.1

Lengte

1,6 cm (0,6 in)1

Topspoed

omtrent 0,33 km/h (0,21 mph)

Swem, rowwe skatting

Wat eet dit?

It feeds on plankton. It pulls a current of water past its outstretched tentacles by pulsing its bell. Its stinging cells immobilise small animals, and the tentacles pass them to the mouth on the underside of the bell.1

Foto van Thimble jellyfish — Thimble jellyfish. Foto: Matteo Cassella. CC BY-SA 4.0, iNaturalist.

Hoe om dit te herken

Tiny bell with a flat top and straight sides1
Sixteen grooves on the sides of the bell1
Orangish-brown colour, from symbiotic zooxanthellae living in the bell1
Translucent body with dark flecks1
Bell up to 16 mm wide and 20 mm high1

Gifkrag

Steektentakels

Duisende piepklein steekselle skiet af wanneer iets aan hulle raak.

Wat doen sy gif as dit byt of steek?

Its stinging cells, called nematocysts, can cause a skin reaction in people. The stings are not painful, but they can form an itchy rash.1

Hoe gevaarlik is dit vir mense?

Gevaar vir mense: PynlikDit kan regtig seermaak, maar dit is amper nooit ernstig nie.

It is the most common cause of seabather's eruption in the Caribbean and the Gulf of Mexico. The condition happens when a swimmer touches a cloud of larvae, which stick to clothing and hair. In Florida, most cases occur between March and August.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

Hoe groot is dit?

Hoe lank is dit?

korter as jou pinkie

Hoe groot is Thimble 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)

Thimble jellyfish omtrent 0,33 km/h (0,21 mph)

'n Mens wat swem omtrent 3 km/h (1,9 mph)

die moeite werd om te weet

Feite

Its larvae cause most cases of seabather's eruption, a rash that can appear after a swim.1

The larvae are killed when a swimmer leaves the water and bathes or dries off. This releases their under-developed stinging cells onto the skin.1

Swarms can cover a million square metres of sea surface.1

Its orangish-brown colour comes from symbiotic zooxanthellae, tiny algae that live inside its bell.1

Spadefish, sunfish, green sea turtles and sea slugs eat it.1

It swims by pulsing its bell and rotating as it moves.1

Vir gifkenners

Wetenskaplike naam: Linuche unguiculata
Groep: Jellievisse & see-steekdiere
Familie: Linuchidae2
Orde: Coronatae
Kontinente: Atlantiese Oseaan, Karibiese See, Golf van Meksiko, Die oseane
Gevaar vir mense: 2 / 5: Pynlik3

Waar die feite vandaan kom

Thimble jellyfish (Wikipedia (CC BY-SA 4.0))
Linuche unguiculata (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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