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Inombolo 1129 kwezingu-1 402

Christmas tree hydroid

Pennaria disticha

Kubuhlungu njeKubuhlungu, kodwa ngeke kukulimaze kakhulu.

Ama-jellyfish nezinye izilwane zasolwandle ezihlabayo

UkuhlabaSidla: Inyama

Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

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

Ihlala

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

ULwandlekazi i-Atlantic, ULwandlekazi iPacific, ULwandlekazi i-India, Ulwandle iCaribbean, Ulwandle iMediterranean, Ichweba laseMexico, Ulwandle lwaseTimor ne-Arafura, Ichweba laseBengal, Ichweba laseCalifornia

Ekhaya

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

Ubude

30 cm (1 ft)1

Ijubane eliphezulu

cishe 0.01 km/h (0.01 mph)

Ukubhukuda, isiqagela nje

Sidlani?

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

Isithombe sika-Christmas tree hydroid — Christmas tree hydroid. Isithombe: Stephen Thorpe. CC BY 4.0, iNaturalist.

Indlela yokusibona

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

Amandla obuthi

Ukuhlaba

Ubuthi buphuma ngodosi.

Ubuthi baso benzani?

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

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

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

Uma sihlaba

Phuma emanzini bese ukhipha noma yimiphi imicu ehlabayo (ama-tentacle) (ngamagilavu noma ngendwangu).
Kuma-box jellyfish asezindaweni ezishisayo: thela uviniga ezindaweni ezihlatshiwe okungenani imizuzwana engama-30, biza usizo futhi ulungele ukwenza i-CPR. Kuma-bluebottle nakwamanye amaningi: hlanza ngamanzi olwandle, bese usebenzisa amanzi ashisayo ngenxa yobuhlungu.

Njalo shayela kuqala inombolo yezimo eziphuthumayo (112, 000, 911). Lokhu kuyiseluleko sosizo lokuqala esijwayelekile, akusona iseluleko sezokwelapha. Izisekelo zosizo lokuqala

Hlala uphephile

Ungalokothi uthinte, ubambe noma ugcone isilwane sasendle, ngisho noma sincane, futhi ngisho noma sibukeka silele noma sifile.
Sinike isikhala. Uma uhlangana naso, hlala uzolile, uhlehle kancane bese usiyeka sihambe ngendlela yaso.
Uma sikuhlaba: hlala uzolile, ungashukumi, shayela inombolo yezimo eziphuthumayo (112, 000, 911) noma uye esibhedlela ngokushesha. Khumbula ukuthi besibukeka kanjani, isithombe siyasiza.

Asikuzingeli wena. Sisebenzisa ubuthi baso ukuze sibambe ukudla noma ukuzivikela, futhi singancamela ukucasha. Okwengeziwe mayelana nokuhlala uphephile

Kuphi emhlabeni?

I-Afrika I-Asia I-Yurophu INyakatho Melika INingizimu Melika I-Australia ne-Oceania ULwandlekazi iPacific ULwandlekazi i-Atlantic ULwandlekazi i-India Ulwandle iMediterranean Ulwandle iCaribbean Ichweba laseMexico Ulwandle lwaseTimor ne-Arafura Ichweba laseBengal Ichweba laseCalifornia

Sikhulu kangakanani?

Side kangakanani?

side njengezitini zamathoyizi ezingu-9 ezilandelanayosihamba kancane kunomnenke wasengadini

Christmas tree hydroid mkhulu kangakanani uma uqhathanisa NAWE?

Yizibalo nje kusiphequluli sakho. Akukho okulondolozwayo noma okuthunyelwa ndawo.

Sishesha kangakanani?

Ihhashi lasolwandle cishe 0.0015 km/h (0 mph)

Christmas tree hydroid cishe 0.01 km/h (0.01 mph)

Umnenke wasengadini cishe 0.05 km/h (0.03 mph)

kuhle ukwazi

Amaqiniso

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

Okongoti bobuthi

Igama lesayensi: Pennaria disticha
Iqembu: Ama-jellyfish nezinye izilwane zasolwandle ezihlabayo
Umndeni: Pennariidae2
Ukuhleleka: Anthoathecata
Amazwekazi: ULwandlekazi i-Atlantic, ULwandlekazi iPacific, ULwandlekazi i-India, Ulwandle iCaribbean, Ulwandle iMediterranean, Ichweba laseMexico, Ulwandle lwaseTimor ne-Arafura, Ichweba laseBengal, Ichweba laseCalifornia, Izilwandlekazi
Izinsana: 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
Ingozi ebantwini: 2 / 5: Kubuhlungu3

Lapho amaqiniso evela khona

Pennaria disticha (Wikipedia (CC BY-SA 4.0))
Pennaria disticha (iNaturalist): amagama nokuhlelwa ngezigaba.
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