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Natal fijo Crown-of-thorns starfish
Limre 1276 e 1 402

Crown-of-thorns starfish

Acanthaster planci
Baɗte innde: Its common name comes from the long, thornlike spines that cover its upper surface, which resemble the biblical crown of thorns.1
Ina haani doktaaTaa memuIna wara seeɗa tan, kono si gi'e mum naatii e ɓanndu maa, yah to doktaa.
Sea urchin, sea star e gilɗi baharu Gi'e tookeIna ñaama: Teewu
Bone e yimɓe: Bone mawɗoSi gi'e mum naatii e ɓanndu maa, yah to doktaa. Maayde ina woodi seeɗa sanne.

The crown-of-thorns starfish is a large starfish with long, sharp spines that look like a crown of thorns. It lives on coral reefs across the Indo-Pacific, from the Red Sea to the west coast of Central America, and it is most common around Australia. It feeds on hard coral, so it can change the reefs it lives on.1

Ina wona e
Indo-Pacific: Red Sea, East African coast, Indian Ocean, Pacific Ocean to west coast of Central America; most common around Australia1
Baharu Indiya, Baharu Pasifik, Baharu Boɗeeru, Baharu Koral, Baharu Filipin, Baharu Ciina Worgo, Baharu Andaman, Baharu Arab e Gulf Persiya, Baharu Timor e Arafura, Baharu Bengal
Galle
It lives where coral reefs or hard coral communities occur in tropical and subtropical waters.1
Njuuteendi
25 cm haa 35 cm (9,8 in haa 1,1 ft)1
Yaawre ɓurnde
ɓadii 0,02 km/h (0,01 mph)
Lumbaade, miijo tan
Hol ko nde ñaamata?
It is a coral predator that climbs onto living coral using its tube feet and pushes its stomach out over the coral. Digestive enzymes turn the coral tissue into liquid, which it absorbs, leaving a white scar of bare skeleton.1
Goonga!Foto Crown-of-thorns starfish
Crown-of-thorns starfish. Foto: John Hepburn. CC BY 4.0, Wikimedia Commons.

No anndirto nde

  • Adults are normally 25 to 35 cm across.1
  • Up to 21 arms, with long, stiff, very sharp spines that are 4 to 5 cm long on the top and sides of the arms.1
  • Colour varies with diet or region: purple, purple-blue, reddish grey or brown with red spine tips, or green with yellow spine tips.1
  • The body is flexible and can bend and twist around coral surfaces.1

Ina jiiɓindiree e: A close relative, Acanthaster brevispinus, lives on soft sea floors at moderate depths rather than on coral reefs. The two are considered sibling species.1

Doole tooke

Gi'e tooke

Gi'e ceeɓɗe ina njogii tooke. Yaabude nde walla nanngude nde ina muusa.

Hol ko tooke mum (ŋatol walla fiɗol) waɗata?

The spines do not inject venom. When they pierce skin, tissue containing saponins (detergent-like chemicals) is left in the wound. In humans this causes a sharp, stinging pain that can last several hours, persistent bleeding, and nausea and swelling that may last a week or more.1

Hol no nde woni bone e yimɓe?

Bone e yimɓe: Bone mawɗoSi gi'e mum naatii e ɓanndu maa, yah to doktaa. Maayde ina woodi seeɗa sanne.

The spines can cause sharp pain, long-lasting bleeding, nausea and swelling. Brittle spines can break off and stay in the tissue.1

Si gi'e mum naatii e ɓanndu maa

  • Spines that become embedded in the tissue must be removed surgically.1
  • Naatnu barme e ndiyam wulɗam, wulɗam no neɗɗo oo waawi muñde tawa sumataa, heɓu ballal doktaa ngam ittude gi'e. Taa asu ɗe e hoore maa.

Sahaa fof, noddu lamba ballal yaawngal (112, 000, 911) ko adii. Ɗum ko ballal arano kuuɓal, wonaa wasiyya doktaa. Aslu ballal arano

Reen hoore maa

  • Taa memu, taa nanngu, taa aaɓnu dabbaare ladde abada, hay pamaro, hay si ina wayi no ɗaanii walla maayii.
  • Accu nde nokku. Si a fottii e gooto, deeƴu, ruttu caggal seeɗa seeɗa, accu nde yaha laawol mum.
  • Si gi'e mum naatii e ɓanndu maa: deeƴu, taa dillu, noddu lamba ballal yaawngal (112, 000, 911) walla yah asibiti law. Siftor no nde wayri, foto ina walla.

Nde ɗaɓɓaaki ma. Nde huutora tooke mum ngam nanngude ñaamdu walla reende hoore mum, nde ɓuri yiɗde suuɗaade. Ɓeydu anndude no reentorto

Hol no nde mawni?

Hol no nde juuti?

Crown-of-thorns starfish juuti ɓadii 35 cm (1,1 ft)Ayaba ɓadii 18 cm (7,1 in)Ullundu galle ɓadii 50 cm (1,6 ft)
juuti no bulok fijo 11 jokkondiraaɗiɓuri leeltude katantanwa ngesa

Hol no Crown-of-thorns starfish mawni, fottindaade e AAN?

Hiisa tan nder browser maa. Alaa ko mooftetee walla ko neletee.

Hol no nde yaawi?

ina haani anndeede

Anndal

1

An individual starfish can consume up to 6 square metres of living coral reef per year.1

2

When taken out of water, its soft body ruptures and collapses, but its spines can recover their shape if it is put back in the water while still alive.1

3

Its body contains detergent-like saponins, so keeping starfish in small volumes of water with aeration produces large amounts of foam.1

4

It is one of the largest starfish in the world.1

5

It has lost the usual five-fold symmetry of starfish as it grew more arms, although it begins life with five-fold symmetry.1

Feññinoowo goonga

Fenaande: Its spines inject venom like a snake or stinging animal.

Goonga: It has no mechanism for injecting toxin. Its spines pierce skin and leave saponin-containing tissue in the wound.1

Ngam ganduɓe tooke

Innde ganndal
Acanthaster planci
Fedde
Sea urchin, sea star e gilɗi baharu
Besngu
Acanthasteridae2
Tolno
Valvatida
Nahiyaaji
Baharu Indiya, Baharu Pasifik, Baharu Boɗeeru, Baharu Koral, Baharu Filipin, Baharu Ciina Worgo, Baharu Andaman, Baharu Arab e Gulf Persiya, Baharu Timor e Arafura, Baharu Bengal, Baharuuji mawɗi
Ɓikkoy
It releases vast amounts of eggs and sperm (gametes) during mass spawning events in summer, and the eggs contain saponins similar to those in adults.1
Bone e yimɓe
3 / 5: Bone mawɗo3

Ɗo anndal iwi

  1. Crown-of-thorns starfish (Wikipedia (CC BY-SA 4.0))
  2. Acanthaster planci (iNaturalist): inɗe e tolnugol.
  3. Venom Wiki: darja bone, mawnude woowaaɗo e miijo yaawre ko amen. Ndaar no min hiisirta ɗum: No min betiri bone.

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