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Cannonball jellyfish

Stomolophus meleagris

Tentang nama: Its common name comes from its similarity to a cannonball in shape and size. Its scientific name means "many mouthed hunter".1

Tidak berbahayaTidak berbahaya kepada manusia. Tiada apa yang perlu dirisaukan.

Obor-obor & penyengat laut

Sesungut yang menyengatMakan: Daging

Bahaya kepada manusia: RinganSeperti sengatan lebah atau kurang. Boleh dikatakan tidak berbahaya kepada manusia.

The cannonball jellyfish is a round, dome-shaped jellyfish that looks a bit like a cannonball. It lives in warm coastal waters on both sides of the Americas and in parts of Asia, and it is common in shallow water near the coast. It matters because it is one of the most common causes of minor jellyfish stings in US and Caribbean waters.1

Hidup di

Southeastern US coast and Gulf of Mexico, Atlantic from New England to Brazil, Pacific from California to Ecuador, and from the Sea of Japan to the South China Sea1

Lautan Atlantik, Laut Caribbean, Teluk Mexico, Teluk California

Laman utama

They live in shallow inshore waters. On the southeast coast of the United States they are extremely abundant in the summer and fall, when they make up over 16% of the biomass in shallow inshore areas. This is when people are most likely to meet them while swimming.1

Panjang

25 cm (9.8 in)1

Kelajuan maksimum

kira-kira 0.7 km/j (0.44 mph)

Berenang, anggaran kasar

Apa yang ia makan?

They mainly eat zooplankton, such as veligers, and also all forms of red drum larvae. They catch prey with their oral arms, which also help them move.1

Gambar Cannonball jellyfish — Cannonball jellyfish. Gambar: Richard Stovall. CC BY 4.0, iNaturalist.

Cara mengenalinya

Dome-shaped bell that can reach 25 cm in diameter1
The rim of the bell is often coloured with brown pigment1
A cluster of oral arms under the body, extending out around the mouth1
Some related species found in the Pacific and South Atlantic are pale to blue in colour1

Sering dikelirukan dengan: Several undescribed Stomolophus species in the Pacific and South Atlantic have pale to blue pigment. They are genetically different from the cannonball jellyfish of the North Atlantic, but they are often misidentified as that species.1

Kuasa bisa

Sesungut yang menyengat

Ribuan sel penyengat kecil melepaskan sengat apabila sesuatu menyentuhnya.

Apa kesan bisanya?

They release a mucus from their nematocysts (stinging cells) that contains a toxin when disturbed. The toxin can cause irregular heart rhythms and problems in the heart's conduction pathways, although this is not common in people. Contact with the nematocysts can be very painful and may cause redness and swelling, and the toxin is also harmful to the eyes.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: RinganSeperti sengatan lebah atau kurang. Boleh dikatakan tidak berbahaya kepada manusia.

Cannonball jellyfish are mostly harmless to people. Contact usually causes slight itching or minor eye irritation. They are among the most common causes of minor stings in US and Caribbean waters. Their toxin can cause heart problems in animals and humans, but this does not usually happen.1

Apa yang ia buat apabila takut?

When disturbed, they release a toxic mucus from their nematocysts, which harms small fish nearby and drives away most 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 Caribbean Teluk Mexico Teluk California

Berapa besar ia?

Berapa panjang ia?

sepanjang 8 blok binaan mainan disusun sebaris

Berapa besar Cannonball 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)

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

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

berguna untuk diketahui

Fakta

Juvenile portly spider crabs often live in the bell, eating some of the food the jellyfish catches. The jellyfish is not harmed because it can regenerate its tissue. One jellyfish has been seen with up to ten crabs in its bell.1

Jellyfish are commercially harvested as food. In Georgia, jellyball fishing is the state's third largest commercial fishery.1

The endangered leatherback sea turtle is one of their main predators.1

In 2012, El Golfo de Santa Clara in Mexico harvested 20,000 tons of these jellyfish from late April to early July.1

Pemecah mitos

Mitos: Cannonball jellyfish are dangerous to people.

Hakikat: They are mostly harmless to people. Contact usually causes only slight itching or minor eye irritation.1

Untuk pakar bisa

Nama saintifik: Stomolophus meleagris
Kumpulan: Obor-obor & penyengat laut
Keluarga: Stomolophidae2
Susunan: Rhizostomeae
Benua-benua: Lautan Atlantik, Laut Caribbean, Teluk Mexico, Teluk California, Lautan
Anak: They can reproduce sexually or asexually. Sexual reproduction happens when a cannonball shoots sperm from its mouth and another cannonball catches it. The embryos develop in pouches on the oral arms, then the larvae settle on hard surfaces and grow into polyps.1
Bahaya kepada manusia: 1 / 5: Ringan3

Dari mana fakta datang

Cannonball jellyfish (Wikipedia (CC BY-SA 4.0))
Stomolophus meleagris (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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