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Compass jellyfish

Chrysaora hysoscella

Tentang nama: It is named for the brown V-shaped markings on its bell, which resemble the face of a compass.1

Sakit sahajaJangan sentuhIa sakit, tetapi tidak akan mencederakan kamu dengan serius.

Obor-obor & penyengat laut

Sesungut yang menyengatMakan: Daging

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

The compass jellyfish is a common jellyfish that lives in cool coastal seas of the northeast Atlantic, including the North Sea and the Mediterranean. Its bell has a pattern that looks like the face of a compass, which gives it its name. Its tentacles carry stinging cells, so it is best left alone.1

Hidup di

Coastal waters of the northeast Atlantic, including the Celtic, Irish, North and Mediterranean Seas1

Lautan Atlantik, Laut Mediterranean, Laut Utara

Laman utama

It lives in shallow coastal water and moves up and down the water column, mostly near the surface and down to just above the seabed. It is rarely found deeper than 30 m.1

Panjang

15 cm hingga 25 cm (5.9 in hingga 9.8 in)1

Kelajuan maksimum

kira-kira 0.7 km/j (0.44 mph)

Berenang, anggaran kasar

Apa yang ia makan?

It eats other marine invertebrates and plankton, including dinoflagellates, copepods, crustacean eggs, larval fish and chaetognaths. It stuns and catches prey with stinging cells on its tentacles, then its oral arms move the prey into its mouth.1

Gambar Compass jellyfish — Compass jellyfish. Gambar: John Hepburn. CC BY 4.0, iNaturalist.

Cara mengenalinya

Adults have a bell 15 to 25 cm across, usually yellowish white with some brown.1
The bell has 16 brown, elongated V-shaped markings around a central brown spot.1
It has 24 tentacles arranged in eight groups of three.1
It has four oral arms that are noticeably longer than the tentacles and look folded and frilly.1
Juveniles lack the compass pattern. They look white and polka-dotted, with a reddish fringe on the bell edge.1

Sering dikelirukan dengan: Records of this species from the southeastern Atlantic, including South Africa, were caused by confusion with close relatives: C. africana, C. fulgida and an undescribed species tentatively called "C. agulhensis".1

Kuasa bisa

Sesungut yang menyengat

Ribuan sel penyengat kecil melepaskan sengat apabila sesuatu menyentuhnya.

Apa kesan bisanya?

Each tentacle has stinging cells used to capture prey and to defend against predators. Jellyfish stings are painful and can be deadly to humans.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: MenyakitkanIa boleh jadi sangat sakit, tetapi hampir tidak pernah serius.

Jellyfish stings are painful and sometimes deadly to humans.1

Apa yang ia buat apabila takut?

Stinging cells on its tentacles are used to defend it from predators.1

Jika ia menyengat

Keluar dari air dan tanggalkan semua sesungut (dengan sarung tangan atau kain).
Untuk obor-obor kotak tropika: tuang cuka pada sengatan sekurang-kurangnya 30 saat, panggil bantuan dan bersedia melakukan CPR. Untuk bluebottle dan kebanyakan yang lain: bilas dengan air laut, kemudian air panas untuk menghilangkan sakit.

Sentiasa hubungi nombor kecemasan dahulu (112, 000, 911). Ini panduan pertolongan cemas umum, bukan nasihat perubatan. Asas pertolongan cemas

Kekal selamat

Jangan sesekali sentuh, tangkap atau usik haiwan liar, walaupun yang kecil, dan walaupun ia nampak tidur atau mati.
Beri ia ruang. Jika kamu terjumpa, bertenang, undur perlahan-lahan dan biarkan ia pergi.
Jika ia menyengat kamu: bertenang, jangan bergerak, hubungi nombor kecemasan (112, 000, 911) atau pergi ke hospital dengan segera. Ingat rupanya, gambar boleh membantu.

Ia bukan mahu memburu kamu. Ia guna bisanya untuk menangkap makanan atau melindungi diri, dan ia lebih suka bersembunyi. Lagi tentang keselamatan

Di mana di dunia?

Afrika Asia Eropah Amerika Utara Amerika Selatan Australia & Oceania Lautan Atlantik Laut Mediterranean Laut Utara

Berapa besar ia?

Berapa panjang ia?

sepanjang 8 blok binaan mainan disusun sebaris

Berapa besar Compass jellyfish berbanding KAMU?

Hanya matematik dalam pelayar kamu. Tiada apa yang disimpan atau dihantar ke mana-mana.

Berapa laju ia?

Siput taman kira-kira 0.05 km/j (0.03 mph)

Compass jellyfish kira-kira 0.7 km/j (0.44 mph)

Orang berenang kira-kira 3 km/j (1.9 mph)

berguna untuk diketahui

Fakta

Males release sperm from their mouths into the water, and females can fertilise sperm from several males.1

Adults often carry a parasite called Hyperia medusarum, which settles inside the body, especially the gonads.1

Compass jellyfish have very few predators. Leatherback sea turtles and ocean sunfish are known to eat them.1

Warmer winters allow longer release periods for young, and the species is predicted to move further north as the seas warm.1

Pemecah mitos

Mitos: Compass jellyfish live in the southeastern Atlantic, including South Africa.

Hakikat: Earlier records from there were due to confusion with close relatives. The species lives in the northeast Atlantic.1

Untuk pakar bisa

Nama saintifik: Chrysaora hysoscella
Kumpulan: Obor-obor & penyengat laut
Keluarga: Pelagiidae2
Susunan: Semaeostomeae
Benua-benua: Lautan Atlantik, Laut Mediterranean, Laut Utara, Lautan
Anak: Females release planular larvae, which settle on the seabed and grow into polyps. The polyps then release young medusae.1
Bahaya kepada manusia: 2 / 5: Menyakitkan3

Dari mana fakta datang

Chrysaora hysoscella (Wikipedia (CC BY-SA 4.0))
Chrysaora hysoscella (iNaturalist): nama dan pengelasan.
Venom Wiki: tahap bahaya, saiz biasa dan anggaran kelajuan adalah penilaian kami sendiri. Lihat cara kami mengiranya: Cara kami menilai bahaya.

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