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Igishushanyo cya Radiant sea urchin
No. 1274 kuri 1 402

Radiant sea urchin

Astropyga radiata
Ibyerekeye izina: 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
Irababaza gusaNtukayikorehoIrababaza, ariko ntizakugirira nabi bikomeye.
Oursins, inyenyeri zo mu nyanja n'inyo Amahwa afite ubumaraIrya: Ibimera
Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

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

Iba muri
Tropical Indo-Pacific, from the African coast to Hawaii and Australian waters1
Inyanja y'Abahinde, Inyanja ya Pasifika, Inyanja ya Korali, Inyanja ya Filipine, Inyanja ya Timor na Arafura, Ikigobe cya Bengali
Ahabanza
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
Uburebure
20 cm (7,9 in)1
Umuvuduko wo hejuru
hafi 0,02 km/h (0,01 mph)
Koga, ikigereranyo cy'ugereranyije
Irya iki?
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
Koko!Ifoto ya Radiant sea urchin
Radiant sea urchin. Ifoto: Dan Schofield. CC BY 4.0, iNaturalist.

Uko wayimenya

  • 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

Ikunze kwitiranywa na: It is often called the false fire urchin to tell it apart from the true fire urchin, Asthenosoma varium.1

Imbaraga z'ubumara

Amahwa afite ubumara

Amahwa atyaye ni yo atwara ubumara. Kuyikandagira cyangwa kuyifata birababaza.

Ubumara bwayo bukora iki?

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

Iteje akaga kangana iki ku bantu?

Akaga ku bantu: IrababazaIshobora kubabaza cyane, ariko hafi ya buri gihe nta kibazo gikomeye biteza.

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

Ikora iki iyo ifite ubwoba?

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

Niba amahwa yayo akujombye

  • Shyira igikomere mu mazi ashyushye, ashyushye uko umuntu abyihanganira atiriwe ashya, kandi ushake ubufasha bwa muganga kugira ngo amahwa avanwemo. Ntukayacukure ubwawe.

Buri gihe banza uhamagare nimero y'ubutabazi (112, 000, 911). Izi ni inama rusange z'ubutabazi bw'ibanze, si inama za muganga. Ibanze by'ubutabazi bw'ibanze

Irinde akaga

  • Ntuzigere ukora, ufata cyangwa ushotora inyamaswa yo mu gasozi, nubwo yaba ntoya, kandi nubwo yasa n'isinziriye cyangwa yapfuye.
  • Yihe umwanya. Niba uhuye n'imwe, tuza, usubire inyuma buhoro buhoro kandi uyireke yigendere.
  • Niba amahwa yayo akujombye: tuza, ntunyeganyege, hamagara nimero y'ubutabazi (112, 000, 911) cyangwa ujye ku bitaro vuba. Ibuka uko yasaga, ifoto irafasha.

Ntigushakisha ngo ikugirire nabi. Ikoresha ubumara bwayo kugira ngo ifate ibyo kurya cyangwa yirinde, kandi ikunda cyane kwihisha. Ibindi ku kwirinda

Ni hehe ku isi?

AfurikaAziyaUburayiAmerika y'AmajyaruguruAmerika y'AmajyepfoOsitaraliya na OseyaniyaInyanja ya PasifikaInyanja y'AbahindeInyanja ya KoraliInyanja ya FilipineInyanja ya Timor na ArafuraIkigobe cya Bengali

Ingana gute?

Ireshya ite?

Radiant sea urchin ireshya hafi 20 cm (7,9 in)Umuneke hafi 18 cm (7,1 in)Injangwe yo mu rugo hafi 50 cm (1,6 ft)
ireshya n'ibice 6 by'ibikinisho byo kubaka biri ku murongoitinda kurusha ikinyamushongo cyo mu murima

Radiant sea urchin ingana ite ugereranyije NAWE?

Ni imibare gusa ikorerwa muri mudasobwa yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihuta gute?

bikwiye kumenywa

Ibintu by'ukuri

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

Ku bahanga mu by'ubumara

Izina rya siyansi
Astropyga radiata
Itsinda
Oursins, inyenyeri zo mu nyanja n'inyo
Umuryango
Diadematidae2
Itsinda rinini (order)
Diadematoida
Imigabane
Inyanja y'Abahinde, Inyanja ya Pasifika, Inyanja ya Korali, Inyanja ya Filipine, Inyanja ya Timor na Arafura, Ikigobe cya Bengali, Inyanja ngari
Abana bato
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
Akaga ku bantu
2 / 5: Irababaza3

Aho ibintu bivugwa bituruka

  1. Astropyga radiata (Wikipedia (CC BY-SA 4.0))
  2. Astropyga radiata (iNaturalist): amazina n'ibyiciro.
  3. Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.

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