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Katuni yaSavigny's long-spined urchin
Nhamba 1271 pa1 402

Savigny's long-spined urchin

Diadema savignyi
Nezvezita: The species name honours Marie Jules César Savigny, a French zoologist who described many new marine species from the Mediterranean and Red Sea.1
InongorwadzaUsabataInorwadza, asi haizokukuvadza zvakanyanya.
Masea urchin, nyeredzi dzegungwa nemakonye egungwa Mazonzwa ane uturuInodya: Zvirimwa
Ngozi kuvanhu: InorwadzaInogona kurwadza chaizvo, asi kazhinji haisi njodzi huru.

Savigny's long-spined urchin is a spiny sea animal that lives on reefs and in shallow lagoons. It has very long, thin spines that can grow up to 25 cm, and it comes out at night to graze on algae. Its spines are the part that can hurt people, so it is worth giving it plenty of room.1

Inogara mu
East coast of Africa, Red Sea, Indian Ocean, western Pacific, French Polynesia, Hawaii, New Caledonia and northern Australia1
Gungwa reIndia, Gungwa rePacific, Gungwa Dzvuku, Gungwa reArabia neGulf yePersia, Gungwa reTimor neArafura, Gungwa reBengal
Kumba
It is found on mixed sandy, rocky and coral seabed, especially in places disturbed by storms or other natural events. It lives from the surface down to about 70 metres deep. It often hides in crevices or under boulders during the day.1
Kureba
9 cm (3,5 in)1
Kumhanya kukuru
kunenge 0,02 km/h (0,01 mph)
Kushambira, kufungidzira
Inodya chii?
It feeds at dusk on the algal mat that grows over the seabed, tearing it up as it grazes. This helps keep algae from overwhelming corals.1
Chaizvo!Mufananidzo waSavigny's long-spined urchin
Savigny's long-spined urchin. Mufananidzo: Anders Poulsen, Deep Blue (http://www.colours.dk/). CC BY-SA 3.0, Wikimedia Commons.

Maziviro ayo

  • Usually black, with a rounded body (called a test) up to about 9 cm across1
  • Long, thin, hollow spines that grow in tufts and can reach 25 cm; they are usually black but can be grey, dark brown or purple1
  • Juveniles may have bands of lighter and darker shades, and the occasional individual is completely white1
  • Iridescent green or blue lines around the interambulacral areas and around the periproct (the cone-shaped region surrounding the anus)1

Inowanzovhiringidzwa ne: It is very similar to Diadema setosum, which shares much of its range and often lives in the same groups. Savigny's long-spined urchin lacks the thin orange ring around the periproct that Diadema setosum has.1

Simba reuturu

Mazonzwa ane uturu

Mazonzwa akapinza ndiwo anotakura uturu. Kuitsika kana kuibata kunorwadza.

Ine ngozi yakadii kuvanhu?

Ngozi kuvanhu: InorwadzaInogona kurwadza chaizvo, asi kazhinji haisi njodzi huru.

Inoitei kana yatya?

When a shadow falls on it, it angles its spines towards the possible attacker.1

Kana minzwa yayo ikakubaya

  • Isa ronda mumvura inopisa, inopisa sezvinokwanisa munhu asina kutsva, uye wana rubatsiro rwechiremba kuti mazonzwa abviswe. Usaachera iwe pachako.

Gara uchitanga wafonera nhamba yechimbichimbi (112, 000, 911). Iri izano rakajairika rerubatsiro rwekutanga, kwete zano rechiremba. Zvakakosha zverubatsiro rwekutanga

Gara wakachengeteka

  • Usambobata mhuka yesango, kuedza kuitora kana kuinetsa, kunyange iri diki, uye kunyange ichiita seyakarara kana yakafa.
  • Ipa nzvimbo. Kana ukasangana nayo, dzikama, dzokera shure zvishoma nezvishoma uirege iende nenzira yayo.
  • Kana minzwa yayo ikakubaya: dzikama, gara wakanyarara, fonera nhamba yechimbichimbi (112, 000, 911) kana kuti enda kuchipatara nokukurumidza. Rangarira kuti yaitaridzika sei, mufananidzo unobatsira.

Haisi kukutsvaga. Inoshandisa uturu hwayo kubata chikafu kana kuzvidzivirira, uye inotonyanya kuda kuhwanda. Zvimwe pamusoro pekugara wakachengeteka

Yakakura sei?

Yakareba zvakadii?

Savigny's long-spined urchin kunenge 9 cm kureba (3,5 in)Chibatanidzo chemapepa kunenge 3 cm (1,2 in)Runhare rwemazuva ano kunenge 15 cm (5,9 in)
yakareba sezvidhinha zvematoyi 3 zvakateedzanainononoka kupfuura hozhwa yemugadheni

Savigny's long-spined urchin yakakura sei kana yaenzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Inomhanya zvakadii?

zvakanaka kuziva

Chokwadi

1

Its spines are brittle, thin and hollow, and grow in tufts that can be as long as 25 cm.1

2

Small fish such as cardinal fish, flatworms and shrimps sometimes shelter among its long spines.1

3

It spawns just after the full moon, while its close relative Diadema setosum mostly spawns around days eight to ten of the lunar cycle, which keeps the two species from interbreeding.1

4

Its grazing helps control algae, which might otherwise smother corals.1

5

It is nocturnal, hiding in crevices or under boulders by day, though several individuals sometimes huddle together in the open.1

6

Its predators include pufferfish, porcupinefish, lobsters and snails.1

Kune nyanzvi dzeuturu

Zita resainzi
Diadema savignyi
Boka
Masea urchin, nyeredzi dzegungwa nemakonye egungwa
Mhuri
Diadematidae2
Odha
Diadematoida
Makondinendi
Gungwa reIndia, Gungwa rePacific, Gungwa Dzvuku, Gungwa reArabia neGulf yePersia, Gungwa reTimor neArafura, Gungwa reBengal, Makungwa makuru
Vacheche
It does not have live young. Instead it releases eggs and sperm into the water (spawning), mainly during the north-east monsoon period, peaking in May, and timed to the lunar cycle.1
Ngozi kuvanhu
2 / 5: Inorwadza3

Kwakabva chokwadi

  1. Diadema savignyi (Wikipedia (CC BY-SA 4.0))
  2. Diadema savignyi (iNaturalist): mazita nekurongwa kwemhuka.
  3. Venom Wiki: danho rengozi, saizi yakajairika nekufungidzira kwekumhanya ndezvedu. Ona kuti tinozviwana sei: Matinoyera ngozi.

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Zvimwe kubva muboka rimwe chete: Masea urchin, nyeredzi dzegungwa nemakonye egungwa

Inogarawo mu: Gungwa reIndia

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