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Ikhathuni ka-Short-spined crown-of-thorns starfish
Inombolo 1277 kwezingu-1 402

Short-spined crown-of-thorns starfish

Acanthaster brevispinus
Mayelana negama: 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
Kubuhlungu njeUngathintiKubuhlungu, kodwa ngeke kukulimaze kakhulu.
Izinkalankala zasolwandle ezinameva, izinkanyezi zasolwandle nezikelemu Ameva anobuthiSidla: Kancane kwakho konke
Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

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

Ihlala
Philippines, Great Barrier Reef region (Australia) and Seychelles, across a wide area of the tropics and subtropics1
ULwandlekazi i-India, ULwandlekazi iPacific, Ulwandle iCoral, Ulwandle lwasePhilippines
Ekhaya
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
Ubude
35 cm (1.1 ft)3
usayizi ojwayelekile womuntu omdala wesilwane
Ijubane eliphezulu
cishe 0.02 km/h (0.01 mph)
Ukubhukuda, isiqagela nje
Sidlani?
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
Ngempela!Isithombe sika-Short-spined crown-of-thorns starfish
Short-spined crown-of-thorns starfish. Isithombe: Matt Kieffer. CC BY-SA 4.0, iNaturalist.

Indlela yokusibona

  • 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

Ivamise ukudidaniswa 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

Amandla obuthi

Ameva anobuthi

Ameva abukhali aphethe ubuthi. Ukusinyathela noma ukusibamba kubuhlungu.

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KubuhlunguKungaba buhlungu ngempela, kodwa cishe akukaze kube kubi kakhulu.

Uma ameva aso ekugwaza

  • Faka inxeba emanzini ashisayo, ashisa ngendlela umuntu angakwazi ukuyibekezelela ngaphandle kokusha, bese uthola usizo lwezokwelapha ukuze kukhishwe ameva. Ungawamambi ngokwakho.

Njalo shayela kuqala inombolo yezimo eziphuthumayo (112, 000, 911). Lokhu kuyiseluleko sosizo lokuqala esijwayelekile, akusona iseluleko sezokwelapha. Izisekelo zosizo lokuqala

Hlala uphephile

  • Ungalokothi uthinte, ubambe noma ugcone isilwane sasendle, ngisho noma sincane, futhi ngisho noma sibukeka silele noma sifile.
  • Sinike isikhala. Uma uhlangana naso, hlala uzolile, uhlehle kancane bese usiyeka sihambe ngendlela yaso.
  • Uma ameva aso ekugwaza: hlala uzolile, ungashukumi, shayela inombolo yezimo eziphuthumayo (112, 000, 911) noma uye esibhedlela ngokushesha. Khumbula ukuthi besibukeka kanjani, isithombe siyasiza.

Asikuzingeli wena. Sisebenzisa ubuthi baso ukuze sibambe ukudla noma ukuzivikela, futhi singancamela ukucasha. Okwengeziwe mayelana nokuhlala uphephile

Kuphi emhlabeni?

I-AfrikaI-AsiaI-YurophuINyakatho MelikaINingizimu MelikaI-Australia ne-OceaniaULwandlekazi iPacificULwandlekazi i-IndiaUlwandle iCoralUlwandle lwasePhilippines

Sikhulu kangakanani?

Side kangakanani?

Short-spined crown-of-thorns starfish ubude obucishe bube ngu-35 cm (1.1 ft)Ubhanana cishe 18 cm (7.1 in)Ikati lasekhaya cishe 50 cm (1.6 ft)
side njengezitini zamathoyizi ezingu-11 ezilandelanayosihamba kancane kunomnenke wasengadini

Short-spined crown-of-thorns starfish mkhulu kangakanani uma uqhathanisa NAWE?

Yizibalo nje kusiphequluli sakho. Akukho okulondolozwayo noma okuthunyelwa ndawo.

Sishesha kangakanani?

kuhle ukwazi

Amaqiniso

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

Okongoti bobuthi

Igama lesayensi
Acanthaster brevispinus
Iqembu
Izinkalankala zasolwandle ezinameva, izinkanyezi zasolwandle nezikelemu
Umndeni
Acanthasteridae2
Ukuhleleka
Valvatida
Amazwekazi
ULwandlekazi i-India, ULwandlekazi iPacific, Ulwandle iCoral, Ulwandle lwasePhilippines, Izilwandlekazi
Izinsana
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
Ingozi ebantwini
2 / 5: Kubuhlungu3

Lapho amaqiniso evela khona

  1. Acanthaster brevispinus (Wikipedia (CC BY-SA 4.0))
  2. Acanthaster brevispinus (iNaturalist): amagama nokuhlelwa ngezigaba.
  3. Venom Wiki: izinga lengozi, usayizi ojwayelekile nesiqagela sejubane kungokwethu. Bona ukuthi sikubala kanjani: Indlela esilinganisa ngayo ingozi.

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