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Diving bell spider

Argyroneta aquatica

Davart il num: The genus name Argyroneta comes from Greek words meaning 'silver' and 'spinner', so it means 'spinner of silver', after the silvery look of its air bell.1

Fa mo malQuai fa mal, ma i na ta fa nagin donn serius.

Filiens

MorsasMangia: Charn

Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

The diving bell spider is the only spider known to live almost entirely underwater. It makes its home in clean freshwater across Europe and Asia. It is special because it breathes air that it carries down from the surface and keeps in a silk bell under the water.1

Viva en

Freshwater in mainland Europe, the British Isles and central to northern Asia, reaching as far south as Iran and north to Siberia. Japan has a very similar subspecies.1

Europa, Asia

Pagina iniziala

It lives in clean freshwater with aquatic plants, such as lakes, ponds, canals, marshes and slow-moving streams. It builds its diving bell between submerged water plants.1

Lunghezza

8 mm fin 1,5 cm (0,3 in fin 0,6 in)1

Sveltezza maximala

circa 0,86 km/h (0,53 mph)

Sin terra, stima approximativa

Tge mangia el?

It eats aquatic insects and crustaceans such as mosquito larvae and Daphnia. It waits in its bell and darts out to catch prey that touches the bell or its anchor threads.1

Foto da Diving bell spider — Diving bell spider. Foto: Baupi. CC BY-SA 4.0, iNaturalist.

Co renconuscher el

Out of the water, it is mid to dark brown.1
Hairs on the abdomen give it a dark grey, velvet-like look.1
Underwater, an air bubble trapped by dense hairs on the abdomen and legs makes it look silvery.1
Males have a head-and-body length of 10 to 15 mm, and females 8 to 12 mm.1
It spends most of its time inside a silk diving bell, darting out to catch prey.1

Forza dal tissi

Morsas

Il tissi vegn or tras ses dents da tissi u ses dents, cura ch'el morda.

Tge fa ses tissi?

Reports describe a bite that is painful, with local swelling, vomiting and a slight fever that lasts 5 to 10 days. These reports are old and unverified, so the effects are not well confirmed.1

Quant privlus è el per umans?

Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

The bite is reputedly painful, but there is no solid evidence of serious harm to people. Recent confirmed reports are lacking.1

Sch'el morda

Lava la morsa e metta in pachet da glatsch sin ella cunter las dolurs. Tschertga agid medicinal, sche las dolurs èn fermas, sa derasan u sche la persuna na sa senta betg bain.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
Sch'in tal animal ta morda: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Nua sin il mund?

Africa Asia Europa America dal Nord America dal Sid Australia ed Oceania

Quant grond è el?

Quant lung è el?

pli curt che tes det pitschen

Quant grond è Diving bell spider cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

Ina tartaruga circa 0,3 km/h (0,19 mph)

Diving bell spider circa 0,86 km/h (0,53 mph)

Ina persuna che va a pe circa 5 km/h (3,1 mph)

bun da savair

Fatgs

It is the only known spider that spends almost its whole life underwater, including resting, hunting, mating, laying eggs and overwintering. It surfaces only briefly to refill its air supply.1

Its diving bell is made of waterproof silk and lets gases pass through. Oxygen flows in and carbon dioxide flows out, so the bell works like a kind of gill.1

Nitrogen slowly leaves the bell, so the air bubble shrinks and the spider must keep refilling it.1

Unlike most spiders, the males are larger than the females, and they are more active hunters.1

Destructur da mits

Mit: Its bite is very painful and causes vomiting and fever.

Vardad: These effects are based on old, unverified reports. There is no solid evidence for them, and recent confirmed reports are lacking.1

Per experts da tissi

Num scientific: Argyroneta aquatica
Gruppa: Filiens
Famiglia: Argyronetidae2
Urden: Araneae
Continents: Europa, Asia
Poppins: After mating in the female's bell, she builds an egg sac inside it and lays between 30 and 70 eggs.1
Durada da vita: circa 2 onns1
Co ch'i va ad el en la natira: Endangered in South Korea1
Privel per umans: 2 / 5: Dolurus3

Da nua che vegnan ils fatgs

Diving bell spider (Wikipedia (CC BY-SA 4.0))
Argyroneta aquatica (iNaturalist): nums e classificaziun.
Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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