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Chithunzi chojambula cha By-the-wind sailor
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By-the-wind sailor

Velella velella
Za dzinali: Its common name refers to its small sail, which catches the wind and carries the animal across the sea.1
YosavulazaYosavulaza anthu. Palibe chodandaula.
Jellyfish ndi zolasa za m'nyanja Minyewa yolasa (tentacles)Imadya: Nyama
Ngozi kwa anthu: YofatsaNgati kulasidwa ndi njuchi kapena pang'ono kuposa pamenepo. Pafupifupi yosavulaza anthu.

The by-the-wind sailor is a small, deep blue animal that floats on the surface of the open ocean. It is not a single creature but a colony of tiny linked animals, and it moves by catching the wind with a small stiff sail. Its stinging tentacles are generally harmless to people, but they can irritate the skin.1

Imakhala ku
Warm and temperate waters of all the world's oceans1
Nyanja ya Pacific, Nyanja ya Atlantic, Nyanja ya Indian, Nyanja ya Mediterranean, Nyanja ya Kumwera (Southern Ocean), Antarctica
Kunyumba
It lives at the surface of the open ocean, floating with its sail above the water and its polyps hanging about 1 cm below. Under certain winds, thousands can be washed up on beaches, such as along the West Coast of North America, the west coast of Ireland and Hayle in Cornwall, England.1
Kutalika
7 cm (2,8 in)1
Liwiro lapamwamba
pafupifupi 1 km/h (0,62 mph)
Kusambira, kuyerekeza chabe
Imadya chiyani?
It eats mostly plankton. It catches prey with tentacles that hang down in the water and bear stinging cells called nematocysts.1
Zoona!Chithunzi cha By-the-wind sailor
By-the-wind sailor. Chithunzi: Niki Hubbard. CC BY 4.0, iNaturalist.

Mmene ungaizindikirire

  • Usually deep blue in colour1
  • A small, stiff sail projects above the water1
  • Most are less than about 7 cm long1
  • Tentacles hang down into the water below the float1

Mphamvu ya ululu

Minyewa yolasa (tentacles)

Maselo ang'onoang'ono olasa masauzande amawombera chinachake chikawakhudza.

Ululu wake umachita chiyani?

Its nematocysts contain toxins that are effective against its prey, which are mostly plankton. The nematocysts are relatively benign to humans, but each person may respond differently to the toxin. Contact may cause irritation to exposed skin.1

Ndi yoopsa bwanji kwa anthu?

Ngozi kwa anthu: YofatsaNgati kulasidwa ndi njuchi kapena pang'ono kuposa pamenepo. Pafupifupi yosavulaza anthu.

It is relatively harmless to humans. Its main effect is possible skin irritation after contact. Mass strandings can leave large numbers of dying and rotting animals on beaches.1

Ikalasa

  • Tuluka m'madzi ndipo chotsa minyewa yolasa (tentacles) iliyonse (ndi magolovesi kapena nsalu).
  • Pa jellyfish ya bokosi (box jellyfish) ya kumadera otentha: thira viniga pamene walasidwa kwa masekondi 30 osachepera, itana thandizo ndipo ukhale wokonzeka kuchita CPR. Pa bluebottle ndi zina zambiri: tsuka ndi madzi a m'nyanja, kenako madzi otentha kuti uchepetse kupweteka.

Nthawi zonse yamba wayimbira nambala yadzidzidzi (112, 000, 911). Awa ndi malangizo wamba a chithandizo choyamba, osati malangizo a dokotala. Zoyambira za chithandizo choyamba

Khala wotetezeka

  • Usakhudze, kugwira kapena kuseweretsa nyama yakuthengo, ngakhale yaing'ono, ndipo ngakhale ikuoneka ngati yagona kapena yafa.
  • Ipatse malo. Ukakumana nayo, khala chete, bwerera m'mbuyo pang'onopang'ono ndipo uilole ipite njira yake.
  • Ikakulasa: khala chete, usasunthe, imbira nambala yadzidzidzi (112, 000, 911) kapena pita kuchipatala mwachangu. Kumbukira m'mene inkaonekera, chithunzi chimathandiza.

Sikufuna kukuvulaza. Imagwiritsa ntchito ululu wake kugwira chakudya kapena kudziteteza, ndipo imakonda kwambiri kubisala. Zambiri za kukhala wotetezeka

Kuti padziko lapansi?

AfricaAsiaUlayaAmereka ya KumpotoAmereka ya KumweraAustralia ndi OceaniaAntarcticaNyanja ya PacificNyanja ya AtlanticNyanja ya IndianNyanja ya Kumwera (Southern Ocean)Nyanja ya Mediterranean

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

By-the-wind sailor yaitali pafupifupi 7 cm (2,8 in)Kachitsulo komangira mapepala pafupifupi 3 cm (1,2 in)Foni yam'manja pafupifupi 15 cm (5,9 in)
yaitali ngati zidutswa zomangira zoseweretsa 2 pamzereingasambire kutalika kwa dziwe lalikulu losambira (50 m) m'masekondi 180

By-the-wind sailor ndi yaikulu bwanji poyerekeza ndi IWE?

Ndi masamu chabe mu msakatuli wako. Palibe chomwe chimasungidwa kapena kutumizidwa kwina.

Imathamanga bwanji?

zoyenera kudziwa

Mfundo

1

Its floating colonies are mirror images of each other, either 'left-handed' or 'right-handed', and this affects where they drift. In the northern Pacific, one form tends to drift to North America and the other to eastern Asia, such as Japan.1

2

Each blue 'animal' with a sail is really a colony of linked polyps that share food through a canal system.1

3

Each colony is either all male or all female.1

4

Its sail is not a fin. It works like a sail, so the animal tends to drift downwind at a small angle to the wind.1

5

Its tiny jellyfish carry zooxanthellae, single-celled organisms that use sunlight to provide energy, a feature also found in corals.1

6

It has no means of moving other than its sail, so it depends on prevailing winds, and mass strandings on beaches happen in many parts of the world.1

Kuthetsa nthano zabodza

Nthano yabodza: Each blue sail is a single, simple animal.

Zoona: Each apparent individual is a colony of many connected polyps that share food and divide the work between feeding, reproductive and protective polyps.1

Za akatswiri a ululu

Dzina la sayansi
Velella velella
Gulu
Jellyfish ndi zolasa za m'nyanja
Banja
Porpitidae2
Dongosolo
Anthoathecata
Makontinenti
Nyanja ya Pacific, Nyanja ya Atlantic, Nyanja ya Indian, Nyanja ya Mediterranean, Nyanja ya Kumwera (Southern Ocean), Antarctica, Nyanja zikuluzikulu
Ana akhanda
Each colony's feeding polyps (gonozooids) bud off thousands of tiny jellyfish, each about 1 mm wide, over several weeks. These develop into a free-swimming larva called a conaria, which grows into a new floating colony.1
Ngozi kwa anthu
1 / 5: Yofatsa3

Kumene mfundo zimachokera

  1. Velella (Wikipedia (CC BY-SA 4.0))
  2. Velella velella (iNaturalist): mayina ndi magulu a sayansi.
  3. Venom Wiki: mlingo wa ngozi, kukula wamba ndi kuyerekeza kwa liwiro ndi zathu. Ona mmene timazipezera: Mmene timayezera ngozi.

Mfundo iliyonse patsamba lino ili ndi nambala yosonyeza kochokera. Ngati talakwitsa, pepani, ndife okonda nyama, osati magazini a sayansi. Tiuze pa [email protected] ndipo tikonza.

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