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Chithunzi chojambula cha Savigny's long-spined urchin
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Savigny's long-spined urchin

Diadema savignyi
Za dzinali: The species name honours Marie Jules César Savigny, a French zoologist who described many new marine species from the Mediterranean and Red Sea.1
ImangopwetekaUsakhudzeImapweteka, koma sidzakuvulaza kwambiri.
Nungu za m'nyanja, nyenyezi za m'nyanja ndi nyongolotsi Minga yaululuImadya: Zomera
Ngozi kwa anthu: YopwetekaIngathe kupweteka kwambiri, koma pafupifupi nthawi zonse si vuto lalikulu.

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

Imakhala ku
East coast of Africa, Red Sea, Indian Ocean, western Pacific, French Polynesia, Hawaii, New Caledonia and northern Australia1
Nyanja ya Indian, Nyanja ya Pacific, Nyanja Yofiira, Nyanja ya Arabia ndi Gulf ya Persia, Nyanja ya Timor ndi Arafura, Nyanja ya Bengal
Kunyumba
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
Kutalika
9 cm (3,5 in)1
Liwiro lapamwamba
pafupifupi 0,02 km/h (0,01 mph)
Kusambira, kuyerekeza chabe
Imadya chiyani?
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
Zoona!Chithunzi cha Savigny's long-spined urchin
Savigny's long-spined urchin. Chithunzi: Anders Poulsen, Deep Blue (http://www.colours.dk/). CC BY-SA 3.0, Wikimedia Commons.

Mmene ungaizindikirire

  • 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

Nthawi zambiri imasokonezedwa ndi: 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

Mphamvu ya ululu

Minga yaululu

Minga yakuthwa imanyamula ululu. Kuiponda kapena kuigwira kumapweteka.

Ndi yoopsa bwanji kwa anthu?

Ngozi kwa anthu: YopwetekaIngathe kupweteka kwambiri, koma pafupifupi nthawi zonse si vuto lalikulu.

Imachita chiyani ikachita mantha?

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

Minga yake ikakubaya

  • Ika bala m'madzi otentha, otentha monga momwe munthuyo angapirire osapsa, ndipo peza thandizo la dokotala kuti achotse minga. Usaikumbe wekha.

Nthawi zonse yamba wayimbira nambala yadzidzidzi (112, 000, 911). Awa ndi malangizo wamba a chithandizo choyamba, osati malangizo a dokotala. Zoyambira za chithandizo choyamba

Khala wotetezeka

  • Usakhudze, kugwira kapena kuseweretsa nyama yakuthengo, ngakhale yaing'ono, ndipo ngakhale ikuoneka ngati yagona kapena yafa.
  • Ipatse malo. Ukakumana nayo, khala chete, bwerera m'mbuyo pang'onopang'ono ndipo uilole ipite njira yake.
  • Minga yake ikakubaya: khala chete, usasunthe, imbira nambala yadzidzidzi (112, 000, 911) kapena pita kuchipatala mwachangu. Kumbukira m'mene inkaonekera, chithunzi chimathandiza.

Sikufuna kukuvulaza. Imagwiritsa ntchito ululu wake kugwira chakudya kapena kudziteteza, ndipo imakonda kwambiri kubisala. Zambiri za kukhala wotetezeka

Kuti padziko lapansi?

AfricaAsiaUlayaAmereka ya KumpotoAmereka ya KumweraAustralia ndi OceaniaNyanja ya PacificNyanja ya IndianNyanja YofiiraNyanja ya Arabia ndi Gulf ya PersiaNyanja ya Timor ndi ArafuraNyanja ya Bengal

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

Savigny's long-spined urchin yaitali pafupifupi 9 cm (3,5 in)Kachitsulo komangira mapepala pafupifupi 3 cm (1,2 in)Foni yam'manja pafupifupi 15 cm (5,9 in)
yaitali ngati zidutswa zomangira zoseweretsa 3 pamzereyochedwa kuposa nkhono ya m'munda

Savigny's long-spined urchin ndi yaikulu bwanji poyerekeza ndi IWE?

Ndi masamu chabe mu msakatuli wako. Palibe chomwe chimasungidwa kapena kutumizidwa kwina.

Imathamanga bwanji?

zoyenera kudziwa

Mfundo

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

Za akatswiri a ululu

Dzina la sayansi
Diadema savignyi
Gulu
Nungu za m'nyanja, nyenyezi za m'nyanja ndi nyongolotsi
Banja
Diadematidae2
Dongosolo
Diadematoida
Makontinenti
Nyanja ya Indian, Nyanja ya Pacific, Nyanja Yofiira, Nyanja ya Arabia ndi Gulf ya Persia, Nyanja ya Timor ndi Arafura, Nyanja ya Bengal, Nyanja zikuluzikulu
Ana akhanda
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 kwa anthu
2 / 5: Yopweteka3

Kumene mfundo zimachokera

  1. Diadema savignyi (Wikipedia (CC BY-SA 4.0))
  2. Diadema savignyi (iNaturalist): mayina ndi magulu a sayansi.
  3. Venom Wiki: mlingo wa ngozi, kukula wamba ndi kuyerekeza kwa liwiro ndi zathu. Ona mmene timazipezera: Mmene timayezera ngozi.

Mfundo iliyonse patsamba lino ili ndi nambala yosonyeza kochokera. Ngati talakwitsa, pepani, ndife okonda nyama, osati magazini a sayansi. Tiuze pa [email protected] ndipo tikonza.

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