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Chithunzi chojambula cha Short-spined crown-of-thorns starfish
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Short-spined crown-of-thorns starfish

Acanthaster brevispinus
Za dzinali: 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
ImangopwetekaUsakhudzeImapweteka, koma sidzakuvulaza kwambiri.
Nungu za m'nyanja, nyenyezi za m'nyanja ndi nyongolotsi Minga yaululuImadya: Pang'ono pa chilichonse
Ngozi kwa anthu: YopwetekaIngathe kupweteka kwambiri, koma pafupifupi nthawi zonse si vuto lalikulu.

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

Imakhala ku
Philippines, Great Barrier Reef region (Australia) and Seychelles, across a wide area of the tropics and subtropics1
Nyanja ya Indian, Nyanja ya Pacific, Nyanja ya Coral, Nyanja ya Philippine
Kunyumba
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
Kutalika
35 cm (1,1 ft)3
kukula wamba kwa nyama yaikulu
Liwiro lapamwamba
pafupifupi 0,02 km/h (0,01 mph)
Kusambira, kuyerekeza chabe
Imadya chiyani?
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
Zoona!Chithunzi cha Short-spined crown-of-thorns starfish
Short-spined crown-of-thorns starfish. Chithunzi: Matt Kieffer. CC BY-SA 4.0, iNaturalist.

Mmene ungaizindikirire

  • 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

Nthawi zambiri imasokonezedwa ndi: 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

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.

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 ya CoralNyanja ya Philippine

Ndi yaikulu bwanji?

Ndi yaitali bwanji?

Short-spined crown-of-thorns starfish yaitali pafupifupi 35 cm (1,1 ft)Nthochi pafupifupi 18 cm (7,1 in)Mphaka wapakhomo pafupifupi 50 cm (1,6 ft)
yaitali ngati zidutswa zomangira zoseweretsa 11 pamzereyochedwa kuposa nkhono ya m'munda

Short-spined crown-of-thorns starfish ndi yaikulu bwanji poyerekeza ndi IWE?

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

Imathamanga bwanji?

zoyenera kudziwa

Mfundo

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

Za akatswiri a ululu

Dzina la sayansi
Acanthaster brevispinus
Gulu
Nungu za m'nyanja, nyenyezi za m'nyanja ndi nyongolotsi
Banja
Acanthasteridae2
Dongosolo
Valvatida
Makontinenti
Nyanja ya Indian, Nyanja ya Pacific, Nyanja ya Coral, Nyanja ya Philippine, Nyanja zikuluzikulu
Ana akhanda
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 kwa anthu
2 / 5: Yopweteka3

Kumene mfundo zimachokera

  1. Acanthaster brevispinus (Wikipedia (CC BY-SA 4.0))
  2. Acanthaster brevispinus (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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