Venom Wiki
Eserese katuun nke Fire urchin
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Fire urchin

Asthenosoma varium
Gbasara aha ya: The name fire urchin probably comes from the painful sting of its spines and its reddish-brown colour.1
Ọ chọrọ dọkịtaEmetụla ya akaỌ naghị egbukarị egbu, mana ọ bụrụ na mkpu ya dụrụ gị, gaa n'ebe dọkịta.
Urchin, kpakpando osimiri na ikpuru Mkpu na-agba nsịNri ya: Ntakịrị ihe niile
Ihe ize ndụ nye mmadụ: Ọ dị njọỌ bụrụ na mkpu ya dụrụ gị, gaa n'ebe dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

The fire urchin is a large sea urchin that grows up to 25 cm across. It lives on sand and rubble sea floors and in coral areas across the Indo-Pacific. Its venomous spines can give a painful sting, so it is best left alone.1

Ebe obibi
Indo-Pacific, from the eastern Indian Ocean to Japan, the Philippines and New Caledonia. Red Sea records may be a related species.1
Oké Osimiri India, Oké Osimiri Pasifik, Osimiri Coral, Osimiri Filipin, Osimiri Timor na Arafura
Ụlọ
It lives on sand and rubble sea bottoms and in coral environments, at depths down to about 167 m. Divers are the people most likely to meet it, and they should be careful not to handle it.1
Ogologo
25 cm (9.8 in)1
Ọsọ kacha elu
ihe dị ka 0.02 km/h (0.01 mph)
Igwu mmiri, nchepụta
Gịnị ka ọ na-eri?
It feeds on the algal film covering the sea floor, encrusting animals such as sponges and tunicates, and organic detritus.1
N'ezie!Foto Fire urchin
Fire urchin. Foto: Candace Pratt. CC BY-SA 3.0, Wikimedia Commons.

Otú ị ga-esi mata ya

  • Hemispherical body, up to 25 cm across1
  • Orangish, red, brown or purple colour, sometimes beige or green1
  • Primary spines are banded, usually with paler bases and darker tips1
  • Secondary spines are long, slender, blunt and yellowish, mostly near the base of the body1

Ike nsị

Mkpu na-agba nsị

Mkpu dị nkọ na-ebu nsị ahụ. Ịzọ ya ụkwụ ma ọ bụ ijide ya na-afụ ụfụ.

Gịnị ka nsị ọ na-agba na-eme?

Each venomous spine has several hollow, spherical capsules filled with toxin, separated by constrictions. These work like hypodermic syringes, injecting the toxin when the spines pierce the skin. The sting is painful and the pain can last several hours.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Ọ dị njọỌ bụrụ na mkpu ya dụrụ gị, gaa n'ebe dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

Handling the urchin can cause a painful sting. The pain can last several hours.1

Gịnị ka ọ na-eme mgbe ụjọ tụrụ ya?

Its bright colouration warns other animals that its spines are venomous.1

Ọ bụrụ na mkpu ya dụrụ gị

  • Tinye ọnya ahụ n'ime mmiri ọkụ, nke ọkụ dị ka onye ahụ nwere ike ịnagide n'ere ya ọkụ, chọọkwa enyemaka ọgwụ iji wepụ mkpu ndị ahụ. Egwula ha n'onwe gị.

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 mkpu ya dụrụ 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

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

Fire urchin ogologo ya dị ihe dị ka 25 cm (9.8 in)Unere ihe dị ka 18 cm (7.1 in)Nwamba ụlọ ihe dị ka 50 cm (1.6 ft)
dị ogologo dị ka blọk egwuregwu 8 n'ahịrịnwayọ karịa ejula ubi

Kedu otú Fire urchin si hà ma e jiri ya tụnyere GỊ?

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Kedu otú o si agba ọsọ?

ọ dị mma ịmara

Eziokwu

1

Its venomous spines are hollow and filled with toxin, working like tiny syringes.1

2

Several small fish and some cephalopods shelter among its toxic spines for protection.1

3

Its body shell is flexible, because its plates overlap like roof tiles instead of being rigidly joined.1

4

Shrimps and a zebra crab live on or with the urchin, and the urchin is their host.1

5

Its secondary spines have sensory cells at the tip and help it move and right itself.1

Maka ndị ọkachamara nsị

Aha sayensị
Asthenosoma varium
Otu
Urchin, kpakpando osimiri na ikpuru
Ezinụlọ
Echinothuriidae2
Usoro
Echinothurioida
Kọntinent dị iche iche
Oké Osimiri India, Oké Osimiri Pasifik, Osimiri Coral, Osimiri Filipin, Osimiri Timor na Arafura, Oké osimiri niile
Ụmụ ọhụrụ
The sexes are separate, and eggs (gametes) are released into the water, where fertilisation takes place. The larvae drift for several months before settling on the seabed and becoming juvenile sea urchins.1
Ihe ize ndụ nye mmadụ
3 / 5: Ọ dị njọ3

Ebe eziokwu ndị a si

  1. Asthenosoma varium (Wikipedia (CC BY-SA 4.0))
  2. Asthenosoma varium (iNaturalist): aha na nhazi ọkwa.
  3. 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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Ndị ọzọ si n'otu ahụ: Urchin, kpakpando osimiri na ikpuru

Ọ na-ebikwa na: Oké Osimiri India

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