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Nataal bu ñu rëdd ci Christmas tree hydroid
No 1129 ci 1 402

Christmas tree hydroid

Pennaria disticha
Dafay metti rekkDafay metti, waaye du la lor bu bon.
Méduse ak mbindeefi géej yuy jam Dafay jamDafay lekk: Yàpp
Musiba ci nit: Dafay mettiMën na metti lool, waaye lu bon du faral di am.

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

Dafay dund ci
Warm waters worldwide; probably began in the western Atlantic Ocean, and is common in the Mediterranean Sea1
Mbàmbulaanu Atlantig, Mbàmbulaanu Pasifik, Mbàmbulaanu End, Géeju Karayib, Géeju Mediteraane, Golfu Meksik, Géeju Timor ak Arafura, Golfu Bengal, Golfu Kaliforni
Kër
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
Guddaay
30 cm (1 ft)1
Gaawaay bu gën a kawe
lu tollu ci 0,01 km/h (0,01 mph)
Féey, xalaat
Lan lay lekk?
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
Dëgg-dëgg!Fotoy Christmas tree hydroid
Christmas tree hydroid. Foto: Stephen Thorpe. CC BY 4.0, iNaturalist.

Ni ngay ko xàmmee

  • 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

Kàttanu daŋar

Dafay jam

Daŋar bi dafay génn ci ab dag buy jam.

Lan la daŋar biy sóob di def?

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

Ni mu lore nit ñi?

Musiba ci nit: Dafay mettiMën na metti lool, waaye lu bon du faral di am.

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

Su jamee

  • Génn ci ndox mi te dindi tentacule yi (ak gant walla ab tissu).
  • Ci méduse-boîte yu tropik: tuuru vinaigre ci fa mu jam, 30 segond lu mu néew néew, woo ndimbal te pare ngir def RCP (massage cardiaque). Ci galère portugaise ak lu ëpp ci yeneen yi: raxas ak ndoxu géej, ginnaaw gi ndox mu tàng ngir metit wi.

Saa su nekk, woo jëkk sa nimerob urgence (112, 000, 911). Lii ay ndigal yu yaatu ci ndimbal yu jëkk la, du ndigalu doktoor. Li war a xam ci ndimbal yu jëkk

Sàmmal sa bopp

  • Bul laal mukk, bul jàpp, bul sonal ab rab bu àll, doonte bu ndaw la, te doonte dafa mel ni dafa nelaw walla dafa dee.
  • May ko bérab. Su nga ko gisee, dalal, dellu ginnaaw ndànk-ndànk te bàyyi ko mu dem yoonam.
  • Su benn jamee la: dalal, bul yëngu, woo sa nimerob urgence (112, 000, 911) walla dem lopitaan ci gaaw. Bul fàtte ni mu meloon, ab nataal dina dimbali.

Du la wut. Dafay jëfandikoo daŋaram ngir jàpp lu muy lekk walla ngir aar boppam, te nëbbu moo ko gën a neex. Yeneen ci ni ngay sàmme sa bopp

Ni mu réye?

Ni mu guddoo?

Christmas tree hydroid guddaayam lu tollu ci 30 cm (1 ft)Ab banaana lu tollu ci 18 cm (7,1 in)Ab muusu kër lu tollu ci 50 cm (1,6 ft)
guddu na ni 9 bloku tabax yu ñu toftalegën a yéex escargot bu tóokër

Christmas tree hydroid ni mu réye ci wetu YOW?

Ay waññ rekk ci sa navigateur. Dara du denc te dara du yónnee fenn.

Ni mu gaawe?

baax na xam

Xibaar

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

Ngir boroom xam-xam ci daŋar

Turu xam-xam
Pennaria disticha
Mbooloo
Méduse ak mbindeefi géej yuy jam
Njaboot
Pennariidae2
Toftal
Anthoathecata
Kontinaa yi
Mbàmbulaanu Atlantig, Mbàmbulaanu Pasifik, Mbàmbulaanu End, Géeju Karayib, Géeju Mediteraane, Golfu Meksik, Géeju Timor ak Arafura, Golfu Bengal, Golfu Kaliforni, Mbàmbulaan yi
Liir yi
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
Musiba ci nit
2 / 5: Dafay metti3

Fa xibaar yi jóge

  1. Pennaria disticha (Wikipedia (CC BY-SA 4.0))
  2. Pennaria disticha (iNaturalist): tur ak ni ñu leen séddale.
  3. Venom Wiki: tolluwaayu musiba bi, réyaay bu yem bi ak xalaatu gaawaay bi, nun ñoo leen defar. Seetal ni nu leen waññe: Ni nuy natte musiba.

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