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Setshwantsho sa khathune sa Short-spined crown-of-thorns starfish
No. 1277 ho 1 402

Short-spined crown-of-thorns starfish

Acanthaster brevispinus
Ka lebitso: 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
E utlwisa bohloko feelaO se ke wa amaE a utlwisa bohloko, empa e ke ke ya o lematsa haholo.
Di-sea urchin, dinaledi tsa lewatle le diboko Meutlwa e nang le chefoE ja: Hanyane ka tsohle
Kotsi ho batho: E bohlokoE ka utlwisa bohloko haholo, empa hoo e batlang e le kamehla ha e kotsi haholo.

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

E phela
Philippines, Great Barrier Reef region (Australia) and Seychelles, across a wide area of the tropics and subtropics1
Lewatle la India, Lewatle la Pacific, Lewatle la Coral, Lewatle la Philippine
Lapeng
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
Bolelele
35 cm (1,1 ft)3
boholo bo tlwaelehileng ba e hodileng
Lebelo le phahameng
e ka bang 0,02 km/h (0,01 mph)
Ho sesa, kakanyo feela
E ja eng?
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
Ka nnete!Foto ya Short-spined crown-of-thorns starfish
Short-spined crown-of-thorns starfish. Foto: Matt Kieffer. CC BY-SA 4.0, iNaturalist.

Ho e tseba jwang

  • 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

Hangata e ferekanngwa le: 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

Matla a chefo

Meutlwa e nang le chefo

Meutlwa e bohale e nka chefo. Ho e hata kapa ho e tshwara ho bohloko.

E kotsi hakae ho batho?

Kotsi ho batho: E bohlokoE ka utlwisa bohloko haholo, empa hoo e batlang e le kamehla ha e kotsi haholo.

Haeba meutlwa ya yona e o hlaba

  • Kenya leqeba metsing a tjhesang, a tjhesang hoo motho a ka a mamellang ntle le ho tjha, mme o fumane thuso ya bongaka ho ntsha meutlwa. O se ke wa e cheka ka bowena.

Kamehla letsetsa nomoro ya tshohanyetso pele (112, 000, 911). Ena ke tataiso e akaretsang ya thuso ya pele, hase keletso ya bongaka. Metheo ya thuso ya pele

Dula o bolokehile

  • O se ke wa ama, wa tshwara kapa wa tena phoofolo ya naheng, leha e le e nyenyane, le leha e shebahala e robetse kapa e shwele.
  • E fe sebaka. Ha o kopana le yona, dula o kgutsitse, kgutlela morao butle mme o e tlohele e tsamaye ka tsela ya yona.
  • Haeba meutlwa ya yona e o hlaba: dula o kgutsitse, o se ke wa sisinyeha, letsetsa nomoro ya tshohanyetso (112, 000, 911) kapa o ye sepetlele kapele. Hopola hore e ne e shebahala jwang, foto e a thusa.

Ha e o batle. E sebedisa chefo ya yona ho tshwara dijo kapa ho itshireletsa, mme e kgetha ho ipata. Ho eketsehileng ka ho dula o bolokehile

Hokae lefatsheng?

AfrikaAsiaYuropaAmerika LeboyaAmerika BorwaAustralia le OceaniaLewatle la PacificLewatle la IndiaLewatle la CoralLewatle la Philippine

E kgolo hakae?

E telele hakae?

Short-spined crown-of-thorns starfish bolelele ba e ka bang 35 cm (1,1 ft)Banana e ka bang 18 cm (7,1 in)Katse ya lapeng e ka bang 50 cm (1,6 ft)
e telele jwaloka diboloko tsa ho bapala tse 11 molenge dieha ho feta kgofu ya serapeng

Short-spined crown-of-thorns starfish e kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ka hara sebatli sa hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E potlaka hakae?

ho molemo ho tseba

Dintlha

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

Bakeng sa ditsebi tsa chefo

Lebitso la saense
Acanthaster brevispinus
Sehlopha
Di-sea urchin, dinaledi tsa lewatle le diboko
Lelapa
Acanthasteridae2
Tatelano
Valvatida
Dikontinente
Lewatle la India, Lewatle la Pacific, Lewatle la Coral, Lewatle la Philippine, Mawatle
Masea
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
Kotsi ho batho
2 / 5: E bohloko3

Moo dintlha di tswang teng

  1. Acanthaster brevispinus (Wikipedia (CC BY-SA 4.0))
  2. Acanthaster brevispinus (iNaturalist): mabitso le tlhophiso.
  3. Venom Wiki: boemo ba kotsi, boholo bo tlwaelehileng le kakanyo ya lebelo ke tsa rona. Bona kamoo re di balang ka teng: Kamoo re lekanyang kotsi ka teng.

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