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Katuni yaShort-spined crown-of-thorns starfish
Nhamba 1277 pa1 402

Short-spined crown-of-thorns starfish

Acanthaster brevispinus
Nezvezita: The genus name Acanthaster comes from Ancient Greek words meaning spine or thorn and star, and the species name brevispinus is Latin for short spine.1
InongorwadzaUsabataInorwadza, asi haizokukuvadza zvakanyanya.
Masea urchin, nyeredzi dzegungwa nemakonye egungwa Mazonzwa ane uturuInodya: Zvishoma zvezvose
Ngozi kuvanhu: InorwadzaInogona kurwadza chaizvo, asi kazhinji haisi njodzi huru.

The short-spined crown-of-thorns starfish is a large, spiny sea star that lives on the sea floor in parts of the western Pacific and western Indian Ocean. It belongs to a genus with only two species, and it is less well known than its relative, the common crown-of-thorns starfish. Its many arms and dense spines make it easy to tell apart from typical starfish.1

Inogara mu
Philippines, Great Barrier Reef region (Australia) and Seychelles, across a wide area of the tropics and subtropics1
Gungwa reIndia, Gungwa rePacific, Gungwa reCoral, Gungwa rePhilippines
Kumba
It has been found at moderate depths, from 18 m to 63 m. All known specimens came from soft sandy sea floor rather than hard coral reef. The Great Barrier Reef specimens were caught as unwanted bycatch by trawl nets off Townsville.1
Kureba
35 cm (1,1 ft)3
saizi yakajairika yemhuka yakura
Kumhanya kukuru
kunenge 0,02 km/h (0,01 mph)
Kushambira, kufungidzira
Inodya chii?
Scallops appear to be an important part of its diet. It creeps up on a scallop over the hinge, where it is less visible, and traps the scallop under its disc. Laboratory observations also show that it eats a wider range of food.1
Chaizvo!Mufananidzo waShort-spined crown-of-thorns starfish
Short-spined crown-of-thorns starfish. Mufananidzo: Matt Kieffer. CC BY-SA 4.0, iNaturalist.

Maziviro ayo

  • Dense, blunt spines cover the upper surface of its central disc.1
  • The upper surface is purple-brown and gets darker towards the arms.1
  • Darker blotches run around the edge of the disc and along the arms, with a large blotch at the base of each arm.1
  • Pale marks sit on the disc between each arm.1
  • Its arm spines are shorter than those of the common crown-of-thorns starfish.1

Inowanzovhiringidzwa ne: It is most often confused with the common crown-of-thorns starfish, Acanthaster planci. The short-spined species has blunt spines on its upper surface, short pedicellaria (tiny pincer-like structures), pale marks between the arms and shorter arm spines. The common species has longer arm spines and lacks the pale marks.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.

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

Kupi pasi rose?

AfrikaAsiaYuropuAmerika yeKuchamhembeAmerika yeKumaodzanyembaAustralia neOceaniaGungwa rePacificGungwa reIndiaGungwa reCoralGungwa rePhilippines

Yakakura sei?

Yakareba zvakadii?

Short-spined crown-of-thorns starfish kunenge 35 cm kureba (1,1 ft)Bhanana kunenge 18 cm (7,1 in)Katsi yepamba kunenge 50 cm (1,6 ft)
yakareba sezvidhinha zvematoyi 11 zvakateedzanainononoka kupfuura hozhwa yemugadheni

Short-spined crown-of-thorns starfish yakakura sei kana yaenzaniswa NEWE?

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

Inomhanya zvakadii?

zvakanaka kuziva

Chokwadi

1

It catches scallops, which are fast swimmers, by sneaking up on them and trapping them under its body.1

2

It has many arms rather than the usual five, so it has lost the five-fold symmetry typical of starfish, although it starts life with five-fold symmetry.1

3

Its feeding posture, with the body arched over the prey, is so distinct that even the taste of scallop meat triggers it.1

4

In a 1973 laboratory experiment, it was crossed with the common crown-of-thorns starfish, and the hybrids reached sexual maturity at the end of their second year.1

Kune nyanzvi dzeuturu

Zita resainzi
Acanthaster brevispinus
Boka
Masea urchin, nyeredzi dzegungwa nemakonye egungwa
Mhuri
Acanthasteridae2
Odha
Valvatida
Makondinendi
Gungwa reIndia, Gungwa rePacific, Gungwa reCoral, Gungwa rePhilippines, Makungwa makuru
Vacheche
It reproduces by releasing eggs and sperm, and the young develop through bipinnaria and brachiolaria larval stages before settling as tiny five-armed starfish about 0.4 to 1 mm across.1
Ngozi kuvanhu
2 / 5: Inorwadza3

Kwakabva chokwadi

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

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