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Risba: Fen raft spider
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Fen raft spider

Dolomedes plantarius
NeškodljivaZa ljudi neškodljiva. Ni razloga za skrb.
Pajki UgriziJe: Meso
Nevarnost za ljudi: BlagaKot čebelji pik ali manj. Za ljudi praktično neškodljiva.

The fen raft spider is a large spider that lives on the edges of still, slow-moving water in Europe. It hunts from plants at the water's edge and can even run across the surface of a pond. It is rare, and it is protected in many places.1

Živi v
Throughout Europe and Russia, including the UK, Scandinavia, France and Germany1
Evropa
Domov
It lives in lowland fens and grazing marshes, usually on the edges of pools or ditches. It needs standing or slow-moving water that is neutral to alkaline, and it avoids places where the water is shaded. Tall plants that stick out of the water are important for perching, basking and building nursery webs.1
Dolžina
7 cm (2,8 in)1
Največja hitrost
približno 1,3 km/h (0,81 mph)
Na kopnem, groba ocena
Kaj je?
It hunts from perches at the water's edge. It feeds mainly on water insects such as pond skaters and dragonfly larvae, smaller water spiders and small fish. It also takes drowning land insects and small animals such as sticklebacks and tadpoles.1
Zares!Fotografija: Fen raft spider
Fen raft spider. Fotografija: Thomas Gyselinck. CC BY 4.0, iNaturalist.

Kako jo prepoznaš

  • It is a large spider within its range. Adult females have bodies slightly over 2 cm long and a leg span of about 7 cm.1
  • It is usually black or brown, with white or cream stripes along the sides of the body.1
  • It is often found sitting on plant stems at the water's edge, with its back legs on a stem and its front legs on the water.1

Pogosto zamenjujejo z: It is very similar in appearance to the closely related raft spider, Dolomedes fimbriatus, and the two are often misidentified. Identification can be difficult.1

Moč strupa

Ugrizi

Strup pride ven skozi strupnike ali zobe, ko ugrizne.

Kako nevarna je za ljudi?

Nevarnost za ljudi: BlagaKot čebelji pik ali manj. Za ljudi praktično neškodljiva.

Če ugrizne

  • Ugriz umij in nanj daj ledeni obkladek proti bolečini. Poišči zdravniško pomoč, če je bolečina močna, se širi ali se poškodovanec slabo počuti.

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 ugrizne: 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

Kje na svetu?

AfrikaAzijaEvropaSeverna AmerikaJužna AmerikaAvstralija in Oceanija

Kako velika je?

Kako dolga je?

Fen raft spider približno 7 cm dolga (2,8 in)Sponka za papir približno 3 cm (1,2 in)Pametni telefon približno 15 cm (5,9 in)
dolga kot 2 kock za igranje v vrstizmore 100 metrov v 280 sekundah (najhitrejši človek potrebuje 9,6)

Kakšne velikosti je Fen raft spider 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 can run across the surface of water by using surface tension, the force that keeps the water's skin intact.1

2

It can also hunt underwater by running down plant stems, and it can use this route to escape predators.1

3

It detects prey using sensory hairs on its legs, which pick up the vibrations made when prey hits the water.1

4

Before hatching, the female builds a tent-like nursery web on plants above the water, where she guards the young.1

5

In 2010, around 1,600 hand-reared spiderlings were released at a new UK site, which were fed on fruit flies.1

6

Males mate early in the season and most die by late July. Females survive until the end of summer.1

Za strokovnjake za strupe

Znanstveno ime
Dolomedes plantarius
Skupina
Pajki
Družina
Dolomedidae2
Red
Araneae
Celine
Evropa
Mladiči
The female lays several hundred eggs in a silk sac about 10 mm across, which she carries under her body for around three weeks.1
Življenjska doba
približno 2,5 let1
Kako ji gre v naravi
Vulnerable (IUCN Red List). In the UK it is Nationally Rare and protected by law.1
Nevarnost za ljudi
1 / 5: Blaga3

Od kod so dejstva

  1. Great raft spider (Wikipedia (CC BY-SA 4.0))
  2. Dolomedes plantarius (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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