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Christmas tree hydroid

Pennaria disticha

Inauma tuInauma, lakini haitakudhuru vibaya.

Yavuyavu na wadungaji wa baharini

KudungwaHula: Nyama

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

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

Anaishi

Warm waters worldwide; probably began in the western Atlantic Ocean, and is common in the Mediterranean Sea1

Bahari ya Atlantiki, Bahari ya Pasifiki, Bahari ya Hindi, Bahari ya Karibi, Bahari ya Mediterania, Ghuba ya Meksiko, Bahari ya Timor na Arafura, Ghuba ya Bengal, Ghuba ya California

Nyumbani

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

Urefu

30 cm (1 ft)1

Kasi ya juu

takriban km 0.01 kwa saa (maili 0.01 kwa saa)

Kuogelea, makadirio

Hula nini?

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

Picha ya Christmas tree hydroid — Christmas tree hydroid. Picha: Stephen Thorpe. CC BY 4.0, iNaturalist.

Jinsi ya kumtambua

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

Nguvu ya sumu

Kudungwa

Sumu hutoka kupitia mdungo.

Sumu yake hufanya nini?

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

Ana hatari gani kwa watu?

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

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

Akidunga

Toka majini na uondoe vipande vya mikono iliyonata (kwa glavu au kitambaa).
Kwa yavuyavu sanduku wa kitropiki: mimina siki kwenye sehemu zilizodungwa kwa angalau sekunde 30, omba msaada na uwe tayari kufanya CPR. Kwa mabotoli ya bluu na wengine wengi: suuza kwa maji ya bahari, kisha maji ya moto kupunguza maumivu.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
Akikudunga: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Wapi duniani?

Afrika Asia Ulaya Amerika Kaskazini Amerika Kusini Australia na Oceania Bahari ya Pasifiki Bahari ya Atlantiki Bahari ya Hindi Bahari ya Mediterania Bahari ya Karibi Ghuba ya Meksiko Bahari ya Timor na Arafura Ghuba ya Bengal Ghuba ya California

Ana ukubwa gani?

Ana urefu gani?

urefu sawa na matofali 9 ya kuchezea yaliyopangwa mstaripolepole kuliko konokono wa bustanini

Christmas tree hydroid ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

Farasi wa bahari takriban km 0.0015 kwa saa (0 mph)

Christmas tree hydroid takriban km 0.01 kwa saa (0.01 mph)

Konokono wa bustanini takriban km 0.05 kwa saa (0.03 mph)

inafaa kujua

Ukweli

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

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

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

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

Kwa wataalamu wa sumu

Jina la kisayansi: Pennaria disticha
Kundi: Yavuyavu na wadungaji wa baharini
Familia: Pennariidae2
Mpangilio: Anthoathecata
Mabara: Bahari ya Atlantiki, Bahari ya Pasifiki, Bahari ya Hindi, Bahari ya Karibi, Bahari ya Mediterania, Ghuba ya Meksiko, Bahari ya Timor na Arafura, Ghuba ya Bengal, Ghuba ya California, Bahari kuu
Watoto: 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
Hatari kwa watu: 2 / 5: Inauma3

Ukweli unatoka wapi

Pennaria disticha (Wikipedia (CC BY-SA 4.0))
Pennaria disticha (iNaturalist): majina na uainishaji.
Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

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