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Nataal bu ñu rëdd ci Radiant sea urchin
No 1274 ci 1 402

Radiant sea urchin

Astropyga radiata
Ci turam: Astropyga comes from Greek words meaning star and anus, after the star-shaped pattern around its anus. Radiata is Latin for radiant, after its colours and spines.1
Dafay metti rekkBul laalDafay metti, waaye du la lor bu bon.
Oursin, biddiwu géej ak ver Dag yu am daŋarDafay lekk: Gàncax
Musiba ci nit: Dafay mettiMën na metti lool, waaye lu bon du faral di am.

The radiant sea urchin is a large, colourful sea urchin with long, spiky spines. It lives in warm, shallow seas across the Indo-Pacific, from the African coast to Hawaii and Australia. Its spines are venomous, so it is one to admire from a distance.1

Dafay dund ci
Tropical Indo-Pacific, from the African coast to Hawaii and Australian waters1
Mbàmbulaanu End, Mbàmbulaanu Pasifik, Géeju Koraay, Géeju Filipin, Géeju Timor ak Arafura, Golfu Bengal
Kër
It is often found in lagoons and bays where the seabed is sand, shingle or coral rubble. It usually lives at 10 to 30 metres deep, and can go down to about 70 metres. Sometimes many urchins gather together in one place.1
Guddaay
20 cm (7,9 in)1
Gaawaay bu gën a kawe
lu tollu ci 0,02 km/h (0,01 mph)
Féey, xalaat
Lan lay lekk?
It is mostly active at night and feeds by grazing on algae. It has five powerful teeth in a mouth at the centre of its underside, known as an Aristotle's lantern.1
Dëgg-dëgg!Fotoy Radiant sea urchin
Radiant sea urchin. Foto: Dan Schofield. CC BY 4.0, iNaturalist.

Ni ngay ko xàmmee

  • A large urchin, with a body (test) up to 20 cm across.1
  • Long, hollow spines up to 4 cm, in five vertical clusters.1
  • Between the clusters are bare, V-shaped red areas with lines of iridescent blue dots.1
  • The rest of the body and spines range from reddish brown to purple, dark brown or nearly black.1
  • Juveniles have spines with banding across them, and this sometimes stays into adulthood.1

Ñu ngi koy faral di jaxasoo ak: It is often called the false fire urchin to tell it apart from the true fire urchin, Asthenosoma varium.1

Kàttanu daŋar

Dag yu am daŋar

Ay dag yu ñaw ñoo yor daŋar bi. Teg tànk ci kawam walla jàpp ko dafay metti.

Lan la daŋar biy sóob di def?

Its spines are venomous and can cause painful wounds. The spines are long and hollow, and the shorter of the two kinds are the venomous ones.1

Ni mu lore nit ñi?

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

It is not deadly to humans, but its spines can cause painful wounds. Because it is large and brightly coloured, divers can usually see it, so injuries from stepping on one are fairly rare. On the 'Kings of Pain' pain index it scores 12 out of 30.1

Lan lay def bu tiitee?

It is sensitive to light and can angle its spines towards an approaching threat.1

Su ay dagam jamee la

  • Teg gaañu-gaañu bi ci ndox mu tàng, lu nit ki mën a muñ waaye bu dul ko lakk, te wutal ndimbal doktoor ngir dindi dag yi. Bul gas ngir wut leen sa bopp.

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 ay dagam 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

Fan ci àddina?

AfrigAsiTugalAmerig gu Bëj-gànnaarAmerig gu Bëj-saalumOstarali ak OseyaniMbàmbulaanu PasifikMbàmbulaanu EndGéeju KoraayGéeju FilipinGéeju Timor ak ArafuraGolfu Bengal

Ni mu réye?

Ni mu guddoo?

Radiant sea urchin guddaayam lu tollu ci 20 cm (7,9 in)Ab banaana lu tollu ci 18 cm (7,1 in)Ab muusu kër lu tollu ci 50 cm (1,6 ft)
guddu na ni 6 bloku tabax yu ñu toftalegën a yéex escargot bu tóokër

Radiant sea urchin 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

A crab called Dorippe frascone carries the urchin on its back.1

2

Several shrimps, crabs and small fish live among its spines for shelter.1

3

Its scientific name refers to a star-shaped pattern around its anus, not to the animal's shape as a whole.1

4

Its bright colours and size make it a favourite subject for underwater photographers and some expert fish-keepers.1

5

Its young larvae drift in the ocean as plankton before they settle on the seabed.1

Ngir boroom xam-xam ci daŋar

Turu xam-xam
Astropyga radiata
Mbooloo
Oursin, biddiwu géej ak ver
Njaboot
Diadematidae2
Toftal
Diadematoida
Kontinaa yi
Mbàmbulaanu End, Mbàmbulaanu Pasifik, Géeju Koraay, Géeju Filipin, Géeju Timor ak Arafura, Golfu Bengal, Mbàmbulaan yi
Liir yi
Males and females are separate. Eggs and sperm are released into the water, and the larvae drift as plankton through several stages before settling on the seabed and becoming juveniles.1
Musiba ci nit
2 / 5: Dafay metti3

Fa xibaar yi jóge

  1. Astropyga radiata (Wikipedia (CC BY-SA 4.0))
  2. Astropyga radiata (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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