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Radiant sea urchin

Astropyga radiata

Kuhusu jina: 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

Inauma tuUsiguseInauma, lakini haitakudhuru vibaya.

Koche, nyota wa bahari na minyoo

Miiba yenye sumuHula: Mimea

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

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

Anaishi

Tropical Indo-Pacific, from the African coast to Hawaii and Australian waters1

Bahari ya Hindi, Bahari ya Pasifiki, Bahari ya Matumbawe, Bahari ya Ufilipino, Bahari ya Timor na Arafura, Ghuba ya Bengal

Nyumbani

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

Urefu

20 cm (7.9 in)1

Kasi ya juu

takriban km 0.02 kwa saa (maili 0.01 kwa saa)

Kuogelea, makadirio

Hula nini?

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

Picha ya Radiant sea urchin — Radiant sea urchin. Picha: Dan Schofield. CC BY 4.0, iNaturalist.

Jinsi ya kumtambua

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

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

Nguvu ya sumu

Miiba yenye sumu

Miiba mikali hubeba sumu. Kumkanyaga au kumshika kunauma.

Sumu yake hufanya nini?

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

Ana hatari gani kwa watu?

Hatari kwa watu: InaumaInaweza kuuma sana, lakini karibu kamwe si jambo zito.

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

Hufanya nini akiogopa?

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

Miiba yake ikikuchoma

Weka jeraha kwenye maji ya moto, moto kiasi ambacho mtu anaweza kuvumilia bila kuungua, na utafute msaada wa kitabibu kuondoa miiba. Usiichokonoe mwenyewe.

Daima piga namba ya dharura kwanza (112, 000, 911). Huu ni mwongozo wa jumla wa huduma ya kwanza, si ushauri wa kitabibu. Misingi ya huduma ya kwanza

Kaa salama

Kamwe usimguse, kumkamata wala kumchokoza mnyama wa porini, hata akiwa mdogo, na hata akionekana amelala au amekufa.
Mpe nafasi. Ukikutana naye, tulia, rudi nyuma polepole na umwache aende zake.
Miiba yake ikikuchoma: tulia, usitikisike, piga namba yako ya dharura (112, 000, 911) au nenda hospitali haraka. Kumbuka alivyoonekana, picha husaidia.

Hakuwindi wewe. Hutumia sumu yake kukamata chakula au kujilinda, na hupendelea zaidi kujificha. Zaidi kuhusu kukaa salama

Wapi duniani?

Afrika Asia Ulaya Amerika Kaskazini Amerika Kusini Australia na Oceania Bahari ya Pasifiki Bahari ya Hindi Bahari ya Matumbawe Bahari ya Ufilipino Bahari ya Timor na Arafura Ghuba ya Bengal

Ana ukubwa gani?

Ana urefu gani?

urefu sawa na matofali 6 ya kuchezea yaliyopangwa mstaripolepole kuliko konokono wa bustanini

Radiant sea urchin ana ukubwa gani ukilinganisha na WEWE?

Ni hesabu tu kwenye kivinjari chako. Hakuna kinachohifadhiwa wala kutumwa popote.

Ana kasi gani?

Farasi wa bahari takriban km 0.0015 kwa saa (0 mph)

Radiant sea urchin takriban km 0.02 kwa saa (0.01 mph)

Konokono wa bustanini takriban km 0.05 kwa saa (0.03 mph)

inafaa kujua

Ukweli

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

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

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

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

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

Kwa wataalamu wa sumu

Jina la kisayansi: Astropyga radiata
Kundi: Koche, nyota wa bahari na minyoo
Familia: Diadematidae2
Mpangilio: Diadematoida
Mabara: Bahari ya Hindi, Bahari ya Pasifiki, Bahari ya Matumbawe, Bahari ya Ufilipino, Bahari ya Timor na Arafura, Ghuba ya Bengal, Bahari kuu
Watoto: 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
Hatari kwa watu: 2 / 5: Inauma3

Ukweli unatoka wapi

Astropyga radiata (Wikipedia (CC BY-SA 4.0))
Astropyga radiata (iNaturalist): majina na uainishaji.
Venom Wiki: kiwango cha hatari, ukubwa wa kawaida na makadirio ya kasi ni yetu wenyewe. Ona jinsi tunavyovipata: Jinsi tunavyopima hatari.

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