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Christmas tree hydroid

Pennaria disticha

Naanị na-afụ ụfụỌ na-afụ ụfụ, mana ọ gaghị emerụ gị ahụ nke ukwuu.

Jelifish na anụ osimiri na-agba agba

ỊgbaNri ya: Anụ

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

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

Ebe obibi

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

Oké Osimiri Atlantik, Oké Osimiri Pasifik, Oké Osimiri India, Osimiri Karibịan, Osimiri Mediterenian, Ọwara Mexico, Osimiri Timor na Arafura, Ọwara Bengal, Ọwara California

Ụlọ

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

Ogologo

30 cm (1 ft)1

Ọsọ kacha elu

ihe dị ka 0.01 km/h (0.01 mph)

Igwu mmiri, nchepụta

Gịnị ka ọ na-eri?

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

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

Otú ị ga-esi mata ya

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

Ike nsị

Ịgba

Nsị na-esi na ndụdụ ya apụta.

Gịnị ka nsị ọ na-agba na-eme?

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

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

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

Ọ bụrụ na ọ gbaa

Pụta na mmiri, wepụkwa tentacles ya niile (jiri uwe aka ma ọ bụ akwa).
Maka box jellyfish nke ebe okpomọkụ: wụsa vinega n'ebe ọ gbara ọ dịkarịa ala sekọnd 30, kpọọ maka enyemaka, dịkwa njikere ime CPR. Maka bluebottles na ọtụtụ ndị ọzọ: jiri mmiri osimiri saa ya, wee jiri mmiri ọkụ maka mgbu ahụ.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
Ọ bụrụ na otu gbaa gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia Oké Osimiri Pasifik Oké Osimiri Atlantik Oké Osimiri India Osimiri Mediterenian Osimiri Karibịan Ọwara Mexico Osimiri Timor na Arafura Ọwara Bengal Ọwara California

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

dị ogologo dị ka blọk egwuregwu 9 n'ahịrịnwayọ karịa ejula ubi

Kedu otú Christmas tree hydroid si hà ma e jiri ya tụnyere GỊ?

Naanị mgbakọ na mwepụ n'ime browser gị. Ọ dịghị ihe echekwara ma ọ bụ ezigara ebe ọ bụla.

Kedu otú o si agba ọsọ?

Ịnyịnya osimiri (seahorse) ihe dị ka 0.0015 km/h (0 mph)

Christmas tree hydroid ihe dị ka 0.01 km/h (0.01 mph)

Ejula ubi ihe dị ka 0.05 km/h (0.03 mph)

ọ dị mma ịmara

Eziokwu

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

Maka ndị ọkachamara nsị

Aha sayensị: Pennaria disticha
Otu: Jelifish na anụ osimiri na-agba agba
Ezinụlọ: Pennariidae2
Usoro: Anthoathecata
Kọntinent dị iche iche: Oké Osimiri Atlantik, Oké Osimiri Pasifik, Oké Osimiri India, Osimiri Karibịan, Osimiri Mediterenian, Ọwara Mexico, Osimiri Timor na Arafura, Ọwara Bengal, Ọwara California, Oké osimiri niile
Ụmụ ọhụrụ: 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
Ihe ize ndụ nye mmadụ: 2 / 5: Na-afụ ụfụ3

Ebe eziokwu ndị a si

Pennaria disticha (Wikipedia (CC BY-SA 4.0))
Pennaria disticha (iNaturalist): aha na nhazi ọkwa.
Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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