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Ikhathuni ka-Radiant sea urchin
Inombolo 1274 kwezingu-1 402

Radiant sea urchin

Astropyga radiata
Mayelana negama: 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
Kubuhlungu njeUngathintiKubuhlungu, kodwa ngeke kukulimaze kakhulu.
Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

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

Ihlala
Tropical Indo-Pacific, from the African coast to Hawaii and Australian waters1
ULwandlekazi i-India, ULwandlekazi iPacific, Ulwandle iCoral, Ulwandle lwasePhilippines, Ulwandle lwaseTimor ne-Arafura, Ichweba laseBengal
Ekhaya
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
Ubude
20 cm (7.9 in)1
Ijubane eliphezulu
cishe 0.02 km/h (0.01 mph)
Ukubhukuda, isiqagela nje
Sidlani?
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
Ngempela!Isithombe sika-Radiant sea urchin
Radiant sea urchin. Isithombe: Dan Schofield. CC BY 4.0, iNaturalist.

Indlela yokusibona

  • 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

Ivamise ukudidaniswa ne: It is often called the false fire urchin to tell it apart from the true fire urchin, Asthenosoma varium.1

Amandla obuthi

Ameva anobuthi

Ameva abukhali aphethe ubuthi. Ukusinyathela noma ukusibamba kubuhlungu.

Ubuthi baso benzani?

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

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

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

Senzani uma sesabile?

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

Uma ameva aso ekugwaza

  • Faka inxeba emanzini ashisayo, ashisa ngendlela umuntu angakwazi ukuyibekezelela ngaphandle kokusha, bese uthola usizo lwezokwelapha ukuze kukhishwe ameva. Ungawamambi ngokwakho.

Njalo shayela kuqala inombolo yezimo eziphuthumayo (112, 000, 911). Lokhu kuyiseluleko sosizo lokuqala esijwayelekile, akusona iseluleko sezokwelapha. Izisekelo zosizo lokuqala

Hlala uphephile

  • Ungalokothi uthinte, ubambe noma ugcone isilwane sasendle, ngisho noma sincane, futhi ngisho noma sibukeka silele noma sifile.
  • Sinike isikhala. Uma uhlangana naso, hlala uzolile, uhlehle kancane bese usiyeka sihambe ngendlela yaso.
  • Uma ameva aso ekugwaza: hlala uzolile, ungashukumi, shayela inombolo yezimo eziphuthumayo (112, 000, 911) noma uye esibhedlela ngokushesha. Khumbula ukuthi besibukeka kanjani, isithombe siyasiza.

Asikuzingeli wena. Sisebenzisa ubuthi baso ukuze sibambe ukudla noma ukuzivikela, futhi singancamela ukucasha. Okwengeziwe mayelana nokuhlala uphephile

Sikhulu kangakanani?

Side kangakanani?

Radiant sea urchin ubude obucishe bube ngu-20 cm (7.9 in)Ubhanana cishe 18 cm (7.1 in)Ikati lasekhaya cishe 50 cm (1.6 ft)
side njengezitini zamathoyizi ezingu-6 ezilandelanayosihamba kancane kunomnenke wasengadini

Radiant sea urchin mkhulu kangakanani uma uqhathanisa NAWE?

Yizibalo nje kusiphequluli sakho. Akukho okulondolozwayo noma okuthunyelwa ndawo.

Sishesha kangakanani?

kuhle ukwazi

Amaqiniso

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

Okongoti bobuthi

Igama lesayensi
Astropyga radiata
Iqembu
Izinkalankala zasolwandle ezinameva, izinkanyezi zasolwandle nezikelemu
Umndeni
Diadematidae2
Ukuhleleka
Diadematoida
Amazwekazi
ULwandlekazi i-India, ULwandlekazi iPacific, Ulwandle iCoral, Ulwandle lwasePhilippines, Ulwandle lwaseTimor ne-Arafura, Ichweba laseBengal, Izilwandlekazi
Izinsana
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
Ingozi ebantwini
2 / 5: Kubuhlungu3

Lapho amaqiniso evela khona

  1. Astropyga radiata (Wikipedia (CC BY-SA 4.0))
  2. Astropyga radiata (iNaturalist): amagama nokuhlelwa ngezigaba.
  3. Venom Wiki: izinga lengozi, usayizi ojwayelekile nesiqagela sejubane kungokwethu. Bona ukuthi sikubala kanjani: Indlela esilinganisa ngayo ingozi.

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