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Risba: Portuguese man o' war
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Portuguese man o' war

Physalia physalis
O imenu: The name comes from the man-of-war, a sailing warship, because the float looks like the Portuguese caravel (a sailing ship) under full sail.1
Potreben je zdravnikNe dotikaj seLe redko smrtno nevarno, a po piku je potreben zdravnik.
Meduze in morski ožigalkarji Ožigalne lovkeJe: Meso
Nevarnost za ljudi: ResnoPo piku je potreben zdravnik. Smrtni primeri so zelo redki.

The Portuguese man o' war looks like a jellyfish, but it is actually a colony of many tiny linked animals that work together as one. It drifts on the surface of the Atlantic, Indian and Pacific oceans, and its long tentacles sting prey. Its sting is painful to people, and in some cases it can kill them.1

Živi v
Atlantic, Indian and Pacific oceans; drifts with winds and currents and can be washed onto beaches.1
Atlantski ocean, Tihi ocean, Indijski ocean, Sredozemsko morje, Karibsko morje, Mehiški zaliv
Domov
It lives on the surface of the water, as part of a group of animals called the neuston. Winds can blow it into bays or onto beaches, where beachgoers are most likely to meet it. A man o' war found on a beach may lead to the beach being closed.1
Dolžina
15 cm (5,9 in)3
tipična velikost odrasle živali
Največja hitrost
približno 1 km/h (0,62 mph)
Plavanje, groba ocena
Kaj je?
It traps and paralyses prey with its venomous tentacles, then reels the prey in to its digestive zooids. It mainly eats small fish, molluscs, small crustaceans and zooplankton.1
Zares!Fotografija: Portuguese man o' war
Portuguese man o' war. Fotografija: Jan Ebr & Ivana Ebrová. CC BY 4.0, iNaturalist.

Kako jo prepoznaš

  • A gas-filled bladder called the pneumatophore floats on the surface and acts as a sail.1
  • Long tentacles, which can reach over 30 m, hang below the surface.1
  • The float can be up to 30 cm long, 13 cm wide and 15 cm tall.1
  • Groups can be large, sometimes over 1,000 animals.1
  • The sail may be left- or right-handed, depending on the way the wind catches it.1

Pogosto zamenjujejo z: It superficially resembles a jellyfish, but it is a siphonophore, a colonial animal made of many smaller units called zooids.1

Moč strupa

Ožigalne lovke

Na tisoče drobnih ožigalnih celic se sproži, ko se jih kaj dotakne.

Kaj naredi njen strup, ko ugrizne ali piči?

Its tentacles carry nematocysts, tiny coiled, thread-like stingers that inject venom on contact. The venom can paralyse small fish and other prey. The sting is powerful enough to kill fish, crustaceans and, in some cases, humans.1

Kako nevarna je za ljudi?

Nevarnost za ljudi: ResnoPo piku je potreben zdravnik. Smrtni primeri so zelo redki.

Its stings are painful and it is well known to beachgoers. In some cases the sting can kill humans. Large groups can also reduce fish populations and damage fishing supplies.1

Kaj naredi, ko se prestraši?

When attacked at the surface, it can deflate its pneumatophore and temporarily submerge.1

Če piči

  • Pojdi iz vode in odstrani lovke (z rokavicami ali s krpo).
  • Pri tropskih kockastih meduzah: pike vsaj 30 sekund polivaj s kisom, pokliči pomoč in bodi pripravljen na oživljanje (TPO). Pri portugalskih ladjicah in večini drugih: izperi z morsko vodo, nato pa za bolečino uporabi vročo vodo.

Vedno najprej pokliči številko za klic v sili (112, 000, 911). To so splošna navodila za prvo pomoč, ne zdravniški nasvet. Osnove prve pomoči

Ostani varen

  • Nikoli se ne dotikaj divje živali, je ne lovi in je ne draži, tudi če je majhna in tudi če je videti, kot da spi ali je mrtva.
  • Pusti ji prostor. Če jo srečaš, ostani miren, počasi stopi nazaj in jo pusti, da gre svojo pot.
  • Če te piči: ostani miren, ne premikaj se, pokliči številko za klic v sili (112, 000, 911) ali hitro pojdi v bolnišnico. Zapomni si, kako je izgledala, fotografija pomaga.

Ne preži nate. Strup uporablja, da ulovi hrano ali se zaščiti, in se veliko raje skrije. Več o varnosti

Kako velika je?

Kako dolga je?

Portuguese man o' war približno 15 cm dolga (5,9 in)Pametni telefon približno 15 cm (5,9 in)Banana približno 18 cm (7,1 in)
dolga kot 5 kock za igranje v vrstizmore preplavati dolžino velikega bazena (50 m) v 180 sekundah

Kakšne velikosti je Portuguese man o' war v primerjavi s TABO?

Samo matematika v tvojem brskalniku. Nič se ne shrani in nič se nikamor ne pošlje.

Kako hitra je?

vredno vedeti

Dejstva

1

It is not a single animal. It is a colony of zooids, all genetically identical, that work together like organs in one body.1

2

The blanket octopus is immune to its venom and uses broken tentacles as weapons.1

3

Its float can produce carbon monoxide, which makes up as much as 13% of the gas inside it.1

4

The loggerhead sea turtle eats it regularly, because its thick skin protects it from the stings.1

5

The man-of-war fish can live among its tentacles and feeds on them, while avoiding being stung.1

Razbijalec mitov

Mit: It is a jellyfish.

Resnica: It only looks like a jellyfish. It is a siphonophore, a colony of many linked zooids.1

Za strokovnjake za strupe

Znanstveno ime
Physalia physalis
Skupina
Meduze in morski ožigalkarji
Družina
Physaliidae2
Red
Siphonophorae
Celine
Atlantski ocean, Tihi ocean, Indijski ocean, Sredozemsko morje, Karibsko morje, Mehiški zaliv, Oceani
Mladiči
Each colony is either male or female, and eggs or sperm are released into the water, where a fertilised egg develops into a planula (a free-swimming larva) that grows into a new colony.1
Nevarnost za ljudi
3 / 5: Resno3

Od kod so dejstva

  1. Portuguese man o' war (Wikipedia (CC BY-SA 4.0))
  2. Physalia physalis (iNaturalist): imena in razvrstitev.
  3. Venom Wiki: stopnja nevarnosti, tipična velikost in ocena hitrosti so naše lastne. Poglej, kako jih določimo: Kako ocenjujemo nevarnost.

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Živi tudi v: Atlantski ocean

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