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Katuni yaChristmas tree hydroid
Nhamba 1129 pa1 402

Christmas tree hydroid

Pennaria disticha
InongorwadzaInorwadza, asi haizokukuvadza zvakanyanya.
Ngozi kuvanhu: InorwadzaInogona kurwadza chaizvo, asi kazhinji haisi njodzi huru.

The Christmas tree hydroid is a small, branching sea creature that grows in colonies on rocks and hard surfaces in shallow water. It is found in warm seas around the world, and it is common in the Mediterranean Sea. Scientists have used it to study how animals catch their prey.1

Inogara mu
Warm waters worldwide; probably began in the western Atlantic Ocean, and is common in the Mediterranean Sea1
Gungwa reAtlantic, Gungwa rePacific, Gungwa reIndia, Gungwa reCaribbean, Gungwa reMediterranean, Gulf yeMexico, Gungwa reTimor neArafura, Gungwa reBengal, Gulf yeCalifornia
Kumba
It grows in shallow water, attached to hard surfaces such as rocks and man-made structures, in places with some water movement. On reefs it is usually found in less-exposed spots and in crevices. It has also spread on ropes and other structures placed in the sea.1
Kureba
30 cm (1 ft)1
Kumhanya kukuru
kunenge 0,01 km/h (0,01 mph)
Kushambira, kufungidzira
Inodya chii?
The polyps spread their tentacles to catch small zooplankton that drift past. Stinging cells on the tentacles immobilise the prey, then the crown bends over and the prey is killed and pushed into the mouth.1
Chaizvo!Mufananidzo waChristmas tree hydroid
Christmas tree hydroid. Mufananidzo: Stephen Thorpe. CC BY 4.0, iNaturalist.

Maziviro ayo

  • Colonies have many branching stems, up to 30 cm high, arranged in a tree-like shape1
  • The stalks are dark brown or blackish, but are often coated with algae and diatoms, giving them a muddy look1
  • The tiny whitish polyps are tinged with red1
  • Each polyp has many slender tentacles at its base and up to twelve tentacles with knobbed tips around its mouth1

Simba reuturu

Inobaya

Uturu hunobuda nerumbori.

Uturu hwayo hunoitei?

Contact with a rope on which this hydroid was growing caused an acute, painful skin inflammation (dermatitis) in several people. Contact with the stinging cells on its tentacles is the cause.1

Ine ngozi yakadii kuvanhu?

Ngozi kuvanhu: InorwadzaInogona kurwadza chaizvo, asi kazhinji haisi njodzi huru.

Several people who touched a rope covered in this hydroid got an acute, painful dermatitis. No deaths are known.1

Kana ikabaya

  • Buda mumvura ubvise matentacle ose (nemagirovhosi kana nejira).
  • Kune jellyfish yebhokisi yekunzvimbo dzinopisa: dira vhiniga pakabayiwa kwemasekondi 30 zvishoma, shevedza rubatsiro ugare wakagadzirira kuita CPR. Kune bluebottle nedzimwe zhinji: suka nemvura yegungwa, wozoshandisa mvura inopisa kuderedza marwadzo.

Gara uchitanga wafonera nhamba yechimbichimbi (112, 000, 911). Iri izano rakajairika rerubatsiro rwekutanga, kwete zano rechiremba. Zvakakosha zverubatsiro rwekutanga

Gara wakachengeteka

  • Usambobata mhuka yesango, kuedza kuitora kana kuinetsa, kunyange iri diki, uye kunyange ichiita seyakarara kana yakafa.
  • Ipa nzvimbo. Kana ukasangana nayo, dzikama, dzokera shure zvishoma nezvishoma uirege iende nenzira yayo.
  • Kana imwe ikakubaya: dzikama, gara wakanyarara, fonera nhamba yechimbichimbi (112, 000, 911) kana kuti enda kuchipatara nokukurumidza. Rangarira kuti yaitaridzika sei, mufananidzo unobatsira.

Haisi kukutsvaga. Inoshandisa uturu hwayo kubata chikafu kana kuzvidzivirira, uye inotonyanya kuda kuhwanda. Zvimwe pamusoro pekugara wakachengeteka

Yakakura sei?

Yakareba zvakadii?

Christmas tree hydroid kunenge 30 cm kureba (1 ft)Bhanana kunenge 18 cm (7,1 in)Katsi yepamba kunenge 50 cm (1,6 ft)
yakareba sezvidhinha zvematoyi 9 zvakateedzanainononoka kupfuura hozhwa yemugadheni

Christmas tree hydroid yakakura sei kana yaenzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Inomhanya zvakadii?

zvakanaka kuziva

Chokwadi

1

It has spread around the world largely through people's maritime activities, by attaching to ships and structures.1

2

It has been used in research into how animals capture their prey.1

3

Colonies grow by budding, which forms new feeding polyps.1

4

Its free-swimming larvae drift with the plankton before settling on a hard surface.1

Kune nyanzvi dzeuturu

Zita resainzi
Pennaria disticha
Boka
Majellyfish nezvimwe zvinobaya zvegungwa
Mhuri
Pennariidae2
Odha
Anthoathecata
Makondinendi
Gungwa reAtlantic, Gungwa rePacific, Gungwa reIndia, Gungwa reCaribbean, Gungwa reMediterranean, Gulf yeMexico, Gungwa reTimor neArafura, Gungwa reBengal, Gulf yeCalifornia, Makungwa makuru
Vacheche
Females release up to six eggs. Each embryo develops within a day or so into a free-swimming larva called a planula, which later settles on a hard surface to start a new colony.1
Ngozi kuvanhu
2 / 5: Inorwadza3

Kwakabva chokwadi

  1. Pennaria disticha (Wikipedia (CC BY-SA 4.0))
  2. Pennaria disticha (iNaturalist): mazita nekurongwa kwemhuka.
  3. Venom Wiki: danho rengozi, saizi yakajairika nekufungidzira kwekumhanya ndezvedu. Ona kuti tinozviwana sei: Matinoyera ngozi.

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Zvimwe kubva muboka rimwe chete: Majellyfish nezvimwe zvinobaya zvegungwa

Inogarawo mu: Gungwa reAtlantic

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