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Diving bell spider

Argyroneta aquatica

Tungkol sa pangalan: 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

Masakit langMasakit, pero hindi ka nito lubhang mapipinsala.

Mga gagamba

Mga kagatKinakain: Karne

Panganib sa tao: MasakitTalagang masakit, pero halos hindi kailanman malala.

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

Nakatira sa

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, Asya

Home

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

Haba

8 mm hanggang 1.5 cm (0.3 in hanggang 0.6 in)1

Pinakamataas na bilis

mga 0.86 km/h (0.53 mph)

Sa lupa, tantiya lang

Ano ang kinakain nito?

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

Litrato ng Diving bell spider — Diving bell spider. Litrato: Baupi. CC BY-SA 4.0, iNaturalist.

Paano ito makikilala

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

Lakas ng kamandag

Mga kagat

Lumalabas ang kamandag sa pangil o ngipin nito kapag nangangagat ito.

Ano ang epekto ng kamandag nito?

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

Gaano ito kapanganib sa tao?

Panganib sa tao: MasakitTalagang masakit, pero halos hindi kailanman malala.

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

Kung kumagat ito

Hugasan ang kagat at lagyan ng ice pack para sa sakit. Kumuha ng tulong medikal kung matindi ang sakit, kumakalat, o masama ang pakiramdam ng tao.

Laging tawagan muna ang numero pang-emergency (112, 000, 911). Ito ay pangkalahatang gabay sa pangunang lunas, hindi payong medikal. Mga batayan ng pangunang lunas

Mag-ingat

Huwag kailanman hawakan, hulihin o asarin ang ligaw na hayop, kahit maliit, at kahit mukha itong tulog o patay.
Bigyan ito ng espasyo. Kung makasalubong ka ng isa, manatiling kalmado, dahan-dahang umatras at hayaan itong umalis.
Kung kagatin ka ng isa: manatiling kalmado, huwag gumalaw, tawagan ang numero pang-emergency (112, 000, 911) o pumunta agad sa ospital. Tandaan ang itsura nito, makakatulong ang litrato.

Hindi ka nito hinahabol. Ginagamit nito ang kamandag para manghuli ng pagkain o ipagtanggol ang sarili, at mas gusto pa nitong magtago. Higit pa tungkol sa pag-iingat

Saan sa mundo?

Aprika Asya Europa Hilagang Amerika Timog Amerika Australia at Oceania

Gaano ito kalaki?

Gaano ito kahaba?

mas maikli kaysa sa hinliliit mo

Gaano kalaki si Diving bell spider kumpara sa IYO?

Math lang sa browser mo. Walang sine-save o ipinapadala kahit saan.

Gaano ito kabilis?

Isang pagong mga 0.3 km/h (0.19 mph)

Diving bell spider mga 0.86 km/h (0.53 mph)

Isang taong naglalakad mga 5 km/h (3.1 mph)

magandang malaman

Mga fact

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

Myth buster

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

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

Para sa mga eksperto sa kamandag

Pangalang siyentipiko: Argyroneta aquatica
Grupo: Mga gagamba
Pamilya: Argyronetidae2
Ayos: Araneae
Mga kontinente: Europa, Asya
Mga sanggol: After mating in the female's bell, she builds an egg sac inside it and lays between 30 and 70 eggs.1
Haba ng buhay: mga 2 taon1
Kalagayan nito sa ligaw: Endangered in South Korea1
Panganib sa tao: 2 / 5: Masakit3

Saan galing ang mga fact

Diving bell spider (Wikipedia (CC BY-SA 4.0))
Argyroneta aquatica (iNaturalist): mga pangalan at klasipikasyon.
Venom Wiki: sarili naming tantiya ang antas ng panganib, karaniwang laki at hula sa bilis. Tingnan kung paano namin ito kinukuwenta: Paano namin sinusukat ang panganib.

Bawat fact sa pahinang ito ay may numerong tumuturo sa pinagmulan nito. Kung may mali kami, pasensya na, mahilig lang kami sa hayop, hindi kami science journal. Sabihin sa amin sa [email protected] at aayusin namin.

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