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Diving bell spider

Argyroneta aquatica

Tentang namanya: 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

Hanya sakitSakit, tetapi tidak akan melukaimu dengan serius.

Laba-laba

GigitanMakan: Daging

Bahaya bagi manusia: MenyakitkanBisa sangat sakit, tetapi hampir tidak pernah serius.

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

Hidup di

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

Eropa, Asia

Beranda

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

Panjang

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

Kecepatan tertinggi

sekitar 0,86 km/jam (0,53 mph)

Di darat, perkiraan kasar

Apa makanannya?

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

Cara mengenalinya

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

Kekuatan bisa

Gigitan

Bisanya keluar lewat taring atau gigi saat menggigit.

Apa efek bisanya?

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

Seberapa berbahaya bagi manusia?

Bahaya bagi manusia: MenyakitkanBisa sangat sakit, tetapi hampir tidak pernah serius.

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

Jika ia menggigit

Cuci gigitan dan kompres dengan es untuk meredakan nyeri. Cari bantuan medis jika nyerinya kuat, menyebar, atau orangnya merasa tidak enak badan.

Selalu hubungi nomor darurat dulu (112, 000, 911). Ini panduan pertolongan pertama umum, bukan nasihat medis. Dasar-dasar pertolongan pertama

Tetap aman

Jangan pernah menyentuh, menangkap, atau mengganggu hewan liar, walaupun kecil, dan walaupun tampak tidur atau mati.
Beri ia ruang. Jika bertemu, tetap tenang, mundur perlahan, dan biarkan ia pergi.
Jika ia menggigitmu: tetap tenang, jangan bergerak, hubungi nomor darurat (112, 000, 911) atau segera ke rumah sakit. Ingat seperti apa rupanya, foto sangat membantu.

Ia tidak mengincarmu. Ia memakai bisanya untuk menangkap makanan atau melindungi diri, dan ia jauh lebih suka bersembunyi. Lebih lanjut tentang tetap aman

Di mana di dunia?

Afrika Asia Eropa Amerika Utara Amerika Selatan Australia dan Oseania

Seberapa besar dia?

Seberapa panjang dia?

lebih pendek dari jari kelingkingmu

Seberapa besar Diving bell spider dibandingkan KAMU?

Hanya hitungan di browsermu. Tidak ada yang disimpan atau dikirim ke mana pun.

Seberapa cepat dia?

Kura-kura darat sekitar 0,3 km/jam (0,19 mph)

Diving bell spider sekitar 0,86 km/jam (0,53 mph)

Orang yang berjalan sekitar 5 km/jam (3,1 mph)

layak diketahui

Fakta

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

Pembongkar mitos

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

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

Untuk ahli bisa

Nama ilmiah: Argyroneta aquatica
Kelompok: Laba-laba
Keluarga: Argyronetidae2
Urutan: Araneae
Benua: Eropa, Asia
Anak: After mating in the female's bell, she builds an egg sac inside it and lays between 30 and 70 eggs.1
Umur: sekitar 2 tahun1
Bagaimana keadaannya di alam liar: Endangered in South Korea1
Bahaya bagi manusia: 2 / 5: Menyakitkan3

Dari mana faktanya berasal

Diving bell spider (Wikipedia (CC BY-SA 4.0))
Argyroneta aquatica (iNaturalist): nama dan klasifikasi.
Venom Wiki: tingkat bahaya, ukuran umum, dan perkiraan kecepatan adalah buatan kami. Lihat cara kami menghitungnya: Cara kami menilai bahaya.

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