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Setshwantsho sa khathune sa By-the-wind sailor
Nom. 1118 ya 1 402

By-the-wind sailor

Velella velella
Ka ga leina: Its common name refers to its small sail, which catches the wind and carries the animal across the sea.1
Ga e na kotsiGa e na kotsi go batho. Ga go na sepe se o tshwanetseng go tshwenyega ka sone.
Dijelifishi le dibopiwa tsa lewatle tse di tlhabang Mesela e e tlhabangE ja: Nama
Kotsi go batho: Kotsi e nnyeJaaka go tlhabiwa ke notshe kgotsa go le kwa tlase. Ga e na kotsi go batho.

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

E tshela kwa
Warm and temperate waters of all the world's oceans1
Lewatle la Pacific, Lewatle la Atlantic, Lewatle la India, Lewatle la Mediterranean, Lewatle la Borwa, Antarctica
Gae
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
Boleele
7 cm (2,8 in)1
Lebelo le le kwa godimo
e ka nna 1 km/h (0,62 mph)
Go thuma, kakanyo fela
E ja eng?
It eats mostly plankton. It catches prey with tentacles that hang down in the water and bear stinging cells called nematocysts.1
Ka nnete!Setshwantsho sa By-the-wind sailor
By-the-wind sailor. Setshwantsho: Niki Hubbard. CC BY 4.0, iNaturalist.

Tsela ya go e lemoga

  • 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

Maatla a botlhole

Mesela e e tlhabang

Dikete tsa disele tse dinnye tse di tlhabang di a thuntsha fa sengwe se di ama.

Botlhole jo e bo tsenyang bo dira eng?

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

E kotsi go le kae go batho?

Kotsi go batho: Kotsi e nnyeJaaka go tlhabiwa ke notshe kgotsa go le kwa tlase. Ga e na kotsi go batho.

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

Fa e tlhaba

  • Tswa mo metsing mme o tlose mesela (tentacles) epe fela e e setseng (ka ditlelafo kgotsa ka lesela).
  • Ya dijelifishi tsa lebokoso tsa tropiki: tshela asene mo mafelong a a tlhabilweng bonnye metsotswana e le 30, bitsa thuso mme o ipaakanyetse go dira CPR. Ya dibluebottle le tse dingwe tse dintsi: tlhatswa ka metsi a lewatle, morago ka metsi a a mogote go fokotsa botlhoko.

Ka gale leletsa nomoro ya gago ya tshoganyetso pele (112, 000, 911). Se ke kaelo e e akaretsang ya thuso ya ntlha, ga se kgakololo ya bongaka. Motheo wa thuso ya ntlha

Nna o babalesegile

  • O se ka wa ama, wa tshwara kgotsa wa tshwenya phologolo ya naga, le fa e le e nnye, le fa e lebega e robetse kgotsa e sule.
  • E fe sebaka. Fa o kopana le yone, ritibala, boela morago ka bonya mme o e tlogele e tsamaye ka tsela ya yone.
  • Fa e nngwe e go tlhaba: ritibala, o se ka wa tshikinyega, leletsa nomoro ya gago ya tshoganyetso (112, 000, 911) kgotsa o ye bookelong ka bonako. Gopola gore e ne e lebega jang, setshwantsho se a thusa.

Ga e go batle. E dirisa botlhole jwa yone go tshwara dijo kgotsa go itshireletsa, mme e rata go iphitlha go feta. Go le gontsi ka go nna o babalesegile

Kae mo lefatsheng?

AforikaAsiaYuropaAmerika BokoneAmerika BorwaAustralia le OceaniaAntarcticaLewatle la PacificLewatle la AtlanticLewatle la IndiaLewatle la BorwaLewatle la Mediterranean

E kgolo go le kae?

E telele go le kae?

By-the-wind sailor e ka nna 7 cm ka boleele (2,8 in)Kelipi ya pampiri e ka nna 3 cm (1,2 in)Founu e e botlhale e ka nna 15 cm (5,9 in)
boleele jo bo lekanang le diboloko tsa go aga tsa ditshamekisi di le 2 mo molenge ka thuma boleele jwa bodiba jo bogolo jwa go thuma (50 m) ka metsotswana e le 180

By-the-wind sailor e kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sefetleng sa gago (browser). Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E bonako go le kae?

go botlhokwa go itse

Dintlha

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

Mosenyi wa ditlhamane

Tlhamane: Each blue sail is a single, simple animal.

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

Ya baitseanape ba botlhole

Leina la saense
Velella velella
Setlhopha
Dijelifishi le dibopiwa tsa lewatle tse di tlhabang
Lelapa
Porpitidae2
Lekoko
Anthoathecata
Dikontinente
Lewatle la Pacific, Lewatle la Atlantic, Lewatle la India, Lewatle la Mediterranean, Lewatle la Borwa, Antarctica, Mawatle
Masea
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
Kotsi go batho
1 / 5: Kotsi e nnye3

Kwa dintlha di tswang teng

  1. Velella (Wikipedia (CC BY-SA 4.0))
  2. Velella velella (iNaturalist): maina le thulaganyo ya mefuta.
  3. Venom Wiki: seelo sa kotsi, bogolo jo bo tlwaelegileng le kakanyo ya lebelo ke tsa rona. Bona kafa re di balang ka teng: Kafa re lekanyang kotsi ka teng.

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